Electrical Transport — Screening-Enabled Chemiresistive Moisture Sensing with Tetrathiafulvalene-Based Electrically Conductive Metal–Organic Frameworks

18 measurement groups · 112 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

DC I-V and EIS on pressed pellets

Electrical conductivity Impedance spectroscopy

Pressed pellet of Cd2(TTFTB) · Pellet

Pressed pellets measured at 298 K in humid air; I-V -0.1 to 0.1 V; EIS 8 kHz to 0.1 Hz.

Temperature: 298
Atmosphere: humid air
Geometry: pressed pellet two-contact probe with Au/carbon-paste contacts
Context: pristine framework pellets
Measurement source: 6-7 · Electrical characterization · Figure S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

DC I-V and AC electrochemical impedance spectroscopy

Electrical conductivity Impedance spectroscopy

Cd2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

I-V from -0.1 to 0.1 V; EIS AC amplitude 500 mV; atmospheres humid N2, dry N2, humid air, dry air; room temperature.

Temperature: 298
Atmosphere: humid air, dry N2, dry air, humid N2
Geometry: manual single-crystal two-contact probe; current along c axis
Context: pristine framework single crystals
Measurement source: 5-6 · Electrical characterization · Figure S8; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cd2(TTFTB) dry air AC conductivity	sigma_AC = 1.06e-06 S cm^-1	—	—	SI Table Exact Reported	45
Cd2(TTFTB) dry air DC conductivity	sigma_DC = 1.06e-06 S cm^-1	—	—	SI Table Exact Reported	45
Cd2(TTFTB) dry N2 AC conductivity	sigma_AC = 1.03e-06 S cm^-1	—	—	SI Table Exact Reported	45
Cd2(TTFTB) dry N2 DC conductivity	sigma_DC = 1.03e-06 S cm^-1	—	—	SI Table Exact Reported	45
Cd2(TTFTB) humid air AC conductivity	sigma_AC = 9.38e-05 S cm^-1	—	—	SI Table Exact Reported	45
Cd2(TTFTB) short-protocol humid air AC conductivity	sigma_AC = 0.000382 S cm^-1	—	—	SI Table Exact Reported	46
Cd2(TTFTB) humid air DC conductivity	sigma_DC = 9.44e-05 S cm^-1	—	—	SI Table Exact Reported	45
Cd2(TTFTB) short-protocol humid air DC conductivity	sigma_DC = 0.000374 S cm^-1	—	—	SI Table Exact Reported	46
Cd2(TTFTB) humid N2 AC conductivity	sigma_AC = 5.26e-05 S cm^-1	—	—	SI Table Exact Reported	45
Cd2(TTFTB) short-protocol humid N2 AC conductivity	sigma_AC = 0.000378 S cm^-1	—	—	SI Table Exact Reported	46
Cd2(TTFTB) humid N2 DC conductivity	sigma_DC = 5.24e-05 S cm^-1	—	—	SI Table Exact Reported	45
Cd2(TTFTB) short-protocol humid N2 DC conductivity	sigma_DC = 0.000366 S cm^-1	—	—	SI Table Exact Reported	46

Variable-temperature I-V and EIS; Arrhenius activation energy fitting

Electrical conductivity Impedance spectroscopy

Cd2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

293 to 353 K with 5 or 10 K steps in humid N2 then dry N2; each temperature held 30 min; Ea fitted from DC conductivity-temperature relation.

Temperature: 293-353
Atmosphere: humid N2 and dry N2
Geometry: manual single-crystal two-contact devices
Context: pristine framework single crystals
Measurement source: 6 · Electrical characterization · Figures S26-S30; Table S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

DC I-V and EIS on pressed pellets

Electrical conductivity Impedance spectroscopy

Pressed pellet of Co2(TTFTB) · Pellet

Pressed pellets measured at 298 K in humid air; I-V -0.1 to 0.1 V; EIS 8 kHz to 0.1 Hz.

Temperature: 298
Atmosphere: humid air
Geometry: pressed pellet two-contact probe with Au/carbon-paste contacts
Context: pristine framework pellets
Measurement source: 6-7 · Electrical characterization · Figure S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

DC I-V and AC electrochemical impedance spectroscopy

Electrical conductivity Impedance spectroscopy

Co2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

I-V from -0.1 to 0.1 V; EIS AC amplitude 500 mV; atmospheres humid N2, dry N2, humid air, dry air; room temperature.

Temperature: 298
Atmosphere: humid air, dry N2, dry air, humid N2
Geometry: manual single-crystal two-contact probe; current along c axis
Context: pristine framework single crystals
Measurement source: 5-6 · Electrical characterization · Figure S8; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Co2(TTFTB) dry air AC conductivity	sigma_AC = 2.91e-06 S cm^-1	—	—	SI Table Exact Reported	45
Co2(TTFTB) dry air DC conductivity	sigma_DC = 2.96e-06 S cm^-1	—	—	SI Table Exact Reported	45
Co2(TTFTB) dry N2 AC conductivity	sigma_AC = 3.01e-06 S cm^-1	—	—	SI Table Exact Reported	45
Co2(TTFTB) dry N2 DC conductivity	sigma_DC = 3.07e-06 S cm^-1	—	—	SI Table Exact Reported	45
Co2(TTFTB) humid air AC conductivity	sigma_AC = 0.000206 S cm^-1	—	—	SI Table Exact Reported	45
Co2(TTFTB) short-protocol humid air AC conductivity	sigma_AC = 0.000255 S cm^-1	—	—	SI Table Exact Reported	46
Co2(TTFTB) humid air DC conductivity	sigma_DC = 0.000201 S cm^-1	—	—	SI Table Exact Reported	45
Co2(TTFTB) short-protocol humid air DC conductivity	sigma_DC = 0.000254 S cm^-1	—	—	SI Table Exact Reported	46
Co2(TTFTB) humid N2 AC conductivity	sigma_AC = 1.71e-05 S cm^-1	—	—	SI Table Exact Reported	45
Co2(TTFTB) short-protocol humid N2 AC conductivity	sigma_AC = 0.000255 S cm^-1	—	—	SI Table Exact Reported	46
Co2(TTFTB) humid N2 DC conductivity	sigma_DC = 1.33e-05 S cm^-1	—	—	SI Table Exact Reported	45
Co2(TTFTB) short-protocol humid N2 DC conductivity	sigma_DC = 0.000254 S cm^-1	—	—	SI Table Exact Reported	46

Variable-temperature I-V and EIS; Arrhenius activation energy fitting

Electrical conductivity Impedance spectroscopy

Co2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

293 to 353 K with 5 or 10 K steps in humid N2 then dry N2; each temperature held 30 min; Ea fitted from DC conductivity-temperature relation.

Temperature: 293-353
Atmosphere: humid N2 and dry N2
Geometry: manual single-crystal two-contact devices
Context: pristine framework single crystals
Measurement source: 6 · Electrical characterization · Figures S26-S30; Table S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

DC polarisation/chronoamperometric current retention

Chronoamperometry

Mn2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

Constant 0.1 V or 10 V DC bias; current monitored over time to test proton conduction or PCET contributions.

Temperature: 298
Atmosphere: humid air, humid N2, dry N2 depending on experiment
Geometry: manual single-crystal devices; Zn Pt devices for stepped-voltage chronoamperometry
Context: pristine framework single crystals
Measurement source: 48161 · Mechanism of Chemiresistive Moisture Sensing · Figures 4c, S19-S21; Table S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Mn/Co/Cd current reduction under 10 V humid-air bias	4-8% after 2000 s	—	range	Text Range	48161 · Mechanism of Chemiresistive Moisture Sensing · Figure S20
Zn2(TTFTB) current reduction under 10 V humid-air bias	around 1% after 2000 s	—	around	Text Approximate	48161 · Mechanism of Chemiresistive Moisture Sensing · Figure S20
Cd2(TTFTB) current decrease under dry N2 at 0.1 V	0.775% decrease	—	—	SI Table Exact Reported	50
Cd2(TTFTB) end current under dry N2 at 0.1 V	0.1793 nA	—	—	SI Table Exact Reported	50
Cd2(TTFTB) initial current under dry N2 at 0.1 V	0.1807 nA	—	—	SI Table Exact Reported	50
Cd2(TTFTB) current decrease under humid air at 0.1 V	4.038% decrease	—	—	SI Table Exact Reported	50
Cd2(TTFTB) end current under humid air at 0.1 V	16.7176 nA	—	—	SI Table Exact Reported	50
Cd2(TTFTB) initial current under humid air at 0.1 V	17.4211 nA	—	—	SI Table Exact Reported	50
Cd2(TTFTB) current decrease under humid N2 at 0.1 V	5.102% decrease	—	—	SI Table Exact Reported	50
Cd2(TTFTB) end current under humid N2 at 0.1 V	122.791 nA	—	—	SI Table Exact Reported	50
Cd2(TTFTB) initial current under humid N2 at 0.1 V	129.393 nA	—	—	SI Table Exact Reported	50
Co2(TTFTB) current decrease under dry N2 at 0.1 V	0.009% decrease	—	—	SI Table Exact Reported	50
Co2(TTFTB) end current under dry N2 at 0.1 V	1.0696 nA	—	—	SI Table Exact Reported	50
Co2(TTFTB) initial current under dry N2 at 0.1 V	1.0697 nA	—	—	SI Table Exact Reported	50
Co2(TTFTB) current decrease under humid air at 0.1 V	0.032% decrease	—	—	SI Table Exact Reported	50
Co2(TTFTB) end current under humid air at 0.1 V	83.5159 nA	—	—	SI Table Exact Reported	50
Co2(TTFTB) initial current under humid air at 0.1 V	83.7859 nA	—	—	SI Table Exact Reported	50
Co2(TTFTB) current decrease under humid N2 at 0.1 V	0.903% decrease	—	—	SI Table Exact Reported	50
Co2(TTFTB) end current under humid N2 at 0.1 V	283.082 nA	—	—	SI Table Exact Reported	50
Co2(TTFTB) initial current under humid N2 at 0.1 V	285.662 nA	—	—	SI Table Exact Reported	50
Mn2(TTFTB) current decrease under dry N2 at 0.1 V	1.283% decrease	—	—	SI Table Exact Reported	50
Mn2(TTFTB) end current under dry N2 at 0.1 V	1.662 nA	—	—	SI Table Exact Reported	50
Mn2(TTFTB) initial current under dry N2 at 0.1 V	1.6836 nA	—	—	SI Table Exact Reported	50
Mn2(TTFTB) current decrease under humid air at 0.1 V	4.259% decrease	—	—	SI Table Exact Reported	50
Mn2(TTFTB) end current under humid air at 0.1 V	13.3828 nA	—	—	SI Table Exact Reported	50
Mn2(TTFTB) initial current under humid air at 0.1 V	13.9781 nA	—	—	SI Table Exact Reported	50
Mn2(TTFTB) current decrease under humid N2 at 0.1 V	0.08% decrease	—	—	SI Table Exact Reported	50
Mn2(TTFTB) end current under humid N2 at 0.1 V	71.9218 nA	—	—	SI Table Exact Reported	50
Mn2(TTFTB) initial current under humid N2 at 0.1 V	71.9791 nA	—	—	SI Table Exact Reported	50
Zn2(TTFTB) current decrease under dry N2 at 0.1 V	0.176% decrease	—	—	SI Table Exact Reported	50
Zn2(TTFTB) end current under dry N2 at 0.1 V	3.111 nA	—	—	SI Table Exact Reported	50
Zn2(TTFTB) initial current under dry N2 at 0.1 V	3.1165 nA	—	—	SI Table Exact Reported	50
Zn2(TTFTB) current decrease under humid air at 0.1 V	1.273% decrease	—	—	SI Table Exact Reported	50
Zn2(TTFTB) end current under humid air at 0.1 V	3.9779 nA	—	—	SI Table Exact Reported	50
Zn2(TTFTB) initial current under humid air at 0.1 V	4.0292 nA	—	—	SI Table Exact Reported	50
Zn2(TTFTB) current decrease under humid N2 at 0.1 V	0.065% decrease	—	—	SI Table Exact Reported	50
Zn2(TTFTB) end current under humid N2 at 0.1 V	4.4483 nA	—	—	SI Table Exact Reported	50
Zn2(TTFTB) initial current under humid N2 at 0.1 V	4.4512 nA	—	—	SI Table Exact Reported	50

Distribution of relaxation times analysis of EIS spectra

Impedance spectroscopy

Mn2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

DRT analysis performed on EIS spectra under humid air and dry N2 atmospheres.

Temperature: 298
Atmosphere: humid air and dry N2
Geometry: single-crystal devices
Context: pristine framework single crystals
Measurement source: 7 · Electrical characterization · Figure S22

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
M2(TTFTB) dry-N2 charge relaxation time range	10^-1 to 10^-2 s	—	range	Text Range	48162 · Mechanism of Chemiresistive Moisture Sensing · Figure S22
Mn/Co/Cd humid-air charge relaxation time	10^-4 s	—	order of magnitude	Text Approximate	48162 · Mechanism of Chemiresistive Moisture Sensing · Figure S22
Zn2(TTFTB) humid-air charge relaxation time	10^-2 s	—	order of magnitude	Text Approximate	48162 · Mechanism of Chemiresistive Moisture Sensing · Figure S22

DC I-V and EIS on pressed pellets

Electrical conductivity Impedance spectroscopy

Pressed pellet of Mn2(TTFTB) · Pellet

Pressed pellets measured at 298 K in humid air; I-V -0.1 to 0.1 V; EIS 8 kHz to 0.1 Hz.

Temperature: 298
Atmosphere: humid air
Geometry: pressed pellet two-contact probe with Au/carbon-paste contacts
Context: pristine framework pellets
Measurement source: 6-7 · Electrical characterization · Figure S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

DC I-V and AC electrochemical impedance spectroscopy

Electrical conductivity Impedance spectroscopy

Mn2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

I-V from -0.1 to 0.1 V; EIS AC amplitude 500 mV; atmospheres humid N2, dry N2, humid air, dry air; room temperature.

Temperature: 298
Atmosphere: humid air, dry N2, dry air, humid N2
Geometry: manual single-crystal two-contact probe; current along c axis
Context: pristine framework single crystals
Measurement source: 5-6 · Electrical characterization · Figure S8; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Mn2(TTFTB) dry air AC conductivity	sigma_AC = 1.22e-06 S cm^-1	—	—	SI Table Exact Reported	45
Mn2(TTFTB) dry air DC conductivity	sigma_DC = 1.2e-06 S cm^-1	—	—	SI Table Exact Reported	45
Mn/Co/Cd single-crystal dry-atmosphere conductivity upper bound	<3 x 10^-6 S cm^-1	—	upper bound	Text Approximate	48160 · Mechanism of Chemiresistive Moisture Sensing · Figure 3f; Figure S8; Table S3
Mn2(TTFTB) dry N2 AC conductivity	sigma_AC = 1.23e-06 S cm^-1	—	—	SI Table Exact Reported	45
Mn2(TTFTB) dry N2 DC conductivity	sigma_DC = 1.2e-06 S cm^-1	—	—	SI Table Exact Reported	45
Mn2(TTFTB) humid air AC conductivity	sigma_AC = 0.000208 S cm^-1	—	—	SI Table Exact Reported	45
Mn2(TTFTB) short-protocol humid air AC conductivity	sigma_AC = 0.000222 S cm^-1	—	—	SI Table Exact Reported	46
Mn/Co/Cd single-crystal humid-air conductivity rangeMarked as a best value within this paper	0.9 x 10^-4 to 2 x 10^-4 S cm^-1	—	range	Text Range	48160 · Mechanism of Chemiresistive Moisture Sensing · Figure 3f; Figure S8; Table S3
Mn2(TTFTB) humid air DC conductivity	sigma_DC = 0.000207 S cm^-1	—	—	SI Table Exact Reported	45
Mn2(TTFTB) short-protocol humid air DC conductivity	sigma_DC = 0.000223 S cm^-1	—	—	SI Table Exact Reported	46
Mn2(TTFTB) humid N2 AC conductivity	sigma_AC = 3.41e-05 S cm^-1	—	—	SI Table Exact Reported	45
Mn2(TTFTB) short-protocol humid N2 AC conductivity	sigma_AC = 0.000221 S cm^-1	—	—	SI Table Exact Reported	46
Mn2(TTFTB) humid N2 DC conductivity	sigma_DC = 3.49e-05 S cm^-1	—	—	SI Table Exact Reported	45
Mn2(TTFTB) short-protocol humid N2 DC conductivity	sigma_DC = 0.000217 S cm^-1	—	—	SI Table Exact Reported	46

Variable-temperature I-V and EIS; Arrhenius activation energy fitting

Electrical conductivity Impedance spectroscopy

Mn2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

293 to 353 K with 5 or 10 K steps in humid N2 then dry N2; each temperature held 30 min; Ea fitted from DC conductivity-temperature relation.

Temperature: 293-353
Atmosphere: humid N2 and dry N2
Geometry: manual single-crystal two-contact devices
Context: pristine framework single crystals
Measurement source: 6 · Electrical characterization · Figures S26-S30; Table S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

DC I-V and EIS on pressed pellets

Electrical conductivity Impedance spectroscopy

Pressed pellet of Mn2(TTFTB) · Pellet

Pressed pellets measured at 298 K in humid air; I-V -0.1 to 0.1 V; EIS 8 kHz to 0.1 Hz.

Temperature: 298
Atmosphere: humid air
Geometry: pressed pellet two-contact probe with Au/carbon-paste contacts
Context: pristine framework pellets
Measurement source: 6-7 · Electrical characterization · Figure S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

DC I-V and AC electrochemical impedance spectroscopy

Electrical conductivity Impedance spectroscopy

Mn2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

I-V from -0.1 to 0.1 V; EIS AC amplitude 500 mV; atmospheres humid N2, dry N2, humid air, dry air; room temperature.

Temperature: 298
Atmosphere: humid air, dry N2, dry air, humid N2
Geometry: manual single-crystal two-contact probe; current along c axis
Context: pristine framework single crystals
Measurement source: 5-6 · Electrical characterization · Figure S8; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

Variable-temperature I-V and EIS; Arrhenius activation energy fitting

Electrical conductivity Impedance spectroscopy

Mn2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

293 to 353 K with 5 or 10 K steps in humid N2 then dry N2; each temperature held 30 min; Ea fitted from DC conductivity-temperature relation.

Temperature: 293-353
Atmosphere: humid N2 and dry N2
Geometry: manual single-crystal two-contact devices
Context: pristine framework single crystals
Measurement source: 6 · Electrical characterization · Figures S26-S30; Table S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cd2(TTFTB) AC activation energy in dry N2	Ea,AC = 0.2637 eV	—	—	SI Table Exact Reported	51
Cd2(TTFTB) AC activation energy in humid N2	Ea,AC = 0.2603 eV	—	—	SI Table Exact Reported	51
Cd2(TTFTB) DC activation energy in dry N2	Ea,DC = 0.2643 eV	—	—	SI Table Exact Reported	51
Cd2(TTFTB) DC activation energy in humid N2	Ea,DC = 0.2514 eV	—	—	SI Table Exact Reported	51
Co2(TTFTB) AC activation energy in dry N2	Ea,AC = 0.1996 eV	—	—	SI Table Exact Reported	51
Co2(TTFTB) AC activation energy in humid N2	Ea,AC = 0.1390 eV	—	—	SI Table Exact Reported	51
Co2(TTFTB) DC activation energy in dry N2	Ea,DC = 0.1983 eV	—	—	SI Table Exact Reported	51
Co2(TTFTB) DC activation energy in humid N2	Ea,DC = 0.1418 eV	—	—	SI Table Exact Reported	51
Mn2(TTFTB) AC activation energy in dry N2	Ea,AC = 0.2874 eV	—	—	SI Table Exact Reported	51
Mn2(TTFTB) AC activation energy in humid N2	Ea,AC = 0.2251 eV	—	—	SI Table Exact Reported	51
Mn2(TTFTB) DC activation energy in dry N2	Ea,DC = 0.2891 eV	—	—	SI Table Exact Reported	51
Mn2(TTFTB) DC activation energy in humid N2	Ea,DC = 0.2123 eV	—	—	SI Table Exact Reported	51
Zn2(TTFTB) AC activation energy in dry N2	Ea,AC = 0.1284 eV	—	—	SI Table Exact Reported	51
Zn2(TTFTB) AC activation energy in humid N2	Ea,AC = 0.1321 eV	—	—	SI Table Exact Reported	51
Zn2(TTFTB) DC activation energy in dry N2	Ea,DC = 0.1325 eV	—	—	SI Table Exact Reported	51
Zn2(TTFTB) DC activation energy in humid N2	Ea,DC = 0.1338 eV	—	—	SI Table Exact Reported	51

DC I-V and EIS on pressed pellets

Electrical conductivity Impedance spectroscopy

Pressed pellet of Zn2(TTFTB) · Pellet

Pressed pellets measured at 298 K in humid air; I-V -0.1 to 0.1 V; EIS 8 kHz to 0.1 Hz.

Temperature: 298
Atmosphere: humid air
Geometry: pressed pellet two-contact probe with Au/carbon-paste contacts
Context: pristine framework pellets
Measurement source: 6-7 · Electrical characterization · Figure S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

I-V and EIS on sputtered Pt electrode devices

Electrical conductivity Impedance spectroscopy

Zn2(TTFTB) micro/nanofabricated single-crystal device with sputtered Pt electrodes · Single Crystal

Humid air at 298 K; Pt electrodes intended to block proton conduction and interfacial redox reactions.

Temperature: 298
Atmosphere: humid air
Geometry: micro/nanofabricated Zn2(TTFTB) single-crystal devices with sputtered Pt electrodes on SiO2/Si
Context: pristine framework single crystals
Measurement source: 48161 · Mechanism of Chemiresistive Moisture Sensing · Figure 4 and Figure S18

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Zn2(TTFTB) Pt-electrode device average AC conductivityMarked as a best value within this paper	3.44 x 10^-4 S cm^-1	—	average; no uncertainty reported	Text Exact Reported	48161 · Mechanism of Chemiresistive Moisture Sensing · Figure 4
Zn2(TTFTB) Pt-electrode device average DC conductivityMarked as a best value within this paper	3.36 x 10^-4 S cm^-1	—	average; no uncertainty reported	Text Exact Reported	48161 · Mechanism of Chemiresistive Moisture Sensing · Figure 4
Zn2(TTFTB) Pt device conductivity relative to manual device	30 times	—	—	Text Exact Reported	48161 · Mechanism of Chemiresistive Moisture Sensing · Figure 4

DC I-V and AC electrochemical impedance spectroscopy

Electrical conductivity Impedance spectroscopy

Zn2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

I-V from -0.1 to 0.1 V; EIS AC amplitude 500 mV; atmospheres humid N2, dry N2, humid air, dry air; room temperature.

Temperature: 298
Atmosphere: humid air, dry N2, dry air, humid N2
Geometry: manual single-crystal two-contact probe; current along c axis
Context: pristine framework single crystals
Measurement source: 5-6 · Electrical characterization · Figure S8; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Zn2(TTFTB) dry air AC conductivity	sigma_AC = 6.22e-06 S cm^-1	—	—	SI Table Exact Reported	45
Zn2(TTFTB) dry air DC conductivity	sigma_DC = 5.82e-06 S cm^-1	—	—	SI Table Exact Reported	45
Zn2(TTFTB) dry-atmosphere single-crystal conductivity	sigma_dry air approximately sigma_dry N2 approximately 6 x 10^-6 S cm^-1	—	—	Text Approximate	48160 · Mechanism of Chemiresistive Moisture Sensing · Figure 3f; Figure S8; Table S3
Zn2(TTFTB) dry N2 AC conductivity	sigma_AC = 6.23e-06 S cm^-1	—	—	SI Table Exact Reported	45
Zn2(TTFTB) dry N2 DC conductivity	sigma_DC = 5.84e-06 S cm^-1	—	—	SI Table Exact Reported	45
Zn2(TTFTB) humid air AC conductivity	sigma_AC = 1.15e-05 S cm^-1	—	—	SI Table Exact Reported	45
Zn2(TTFTB) short-protocol humid air AC conductivity	sigma_AC = 2.61e-05 S cm^-1	—	—	SI Table Uncertain	46
Zn2(TTFTB) humid-air single-crystal conductivity	sigma_humid air approximately 1 x 10^-5 S cm^-1	—	—	Text Approximate	48160 · Mechanism of Chemiresistive Moisture Sensing · Figure 3f; Figure S8; Table S3
Zn2(TTFTB) humid air DC conductivity	sigma_DC = 1.07e-05 S cm^-1	—	—	SI Table Exact Reported	45
Zn2(TTFTB) short-protocol humid air DC conductivity	sigma_DC = 2.6e-06 S cm^-1	—	—	SI Table Exact Reported	46
Zn2(TTFTB) humid N2 AC conductivity	sigma_AC = 1.11e-05 S cm^-1	—	—	SI Table Exact Reported	45
Zn2(TTFTB) short-protocol humid N2 AC conductivity	sigma_AC = 2.6e-06 S cm^-1	—	—	SI Table Exact Reported	46
Zn2(TTFTB) humid N2 DC conductivity	sigma_DC = 6e-06 S cm^-1	—	—	SI Table Exact Reported	45
Zn2(TTFTB) short-protocol humid N2 DC conductivity	sigma_DC = 2.6e-06 S cm^-1	—	—	SI Table Exact Reported	46

Variable-temperature I-V and EIS; Arrhenius activation energy fitting

Electrical conductivity Impedance spectroscopy

Zn2(TTFTB) single-crystal two-contact device with Au wires/carbon paste · Single Crystal

293 to 353 K with 5 or 10 K steps in humid N2 then dry N2; each temperature held 30 min; Ea fitted from DC conductivity-temperature relation.

Temperature: 293-353
Atmosphere: humid N2 and dry N2
Geometry: manual single-crystal two-contact devices
Context: pristine framework single crystals
Measurement source: 6 · Electrical characterization · Figures S26-S30; Table S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source