Other — Redox-Active Metal-Organic Frameworks with Three-Dimensional Lattice Containing the m-Tetrathiafulvalene-Tetrabenzoate

6 measurement groups · 17 results

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

AC magnetic susceptibility

Magnetometry and magnetic susceptibility

Dy-m-TTFTB fresh polycrystalline sample · Powder

2 Oe ac susceptibilities at fixed frequencies 1.0-999 Hz; zero dc field and 1000 Oe dc field; measured for all MOFs, Dy shows frequency-dependent out-of-phase response.

Temperature: 1.8-7 approx
Geometry: polycrystalline sample
Context: pristine framework
Measurement source: 7 · 2.4 Magnetic Properties · Figure 6; Figures S17-S18

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
slow magnetic relaxation	frequency-dependent out-of-phase ac susceptibility below 6 K; no chi'' peak observed up to 999 Hz	—	—	Text Qualitative	7 · 2.4 Magnetic Properties · Figure 6
Tb-m-TTFTB out-of-phase ac susceptibility	Tb-m-TTFTB exhibited no chi'' signals	—	—	Text Qualitative	7 · 2.4 Magnetic Properties · Figure S17

DC magnetic susceptibility and isothermal magnetisation

Magnetometry and magnetic susceptibility

Dy-m-TTFTB fresh polycrystalline sample · Powder

Quantum Design SQUID VSM; 2-300 K under 1000 Oe; M-H to 70 kOe at 1.8 K.

Temperature: 2-300
Geometry: polycrystalline sample
Context: pristine framework
Measurement source: 6 · 2.4 Magnetic Properties · Figure 5; Figure S15

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
chiM T at 300 K	28.01 cm3 K mol^-1	—	—	Text Exact Reported	6 · 2.4 Magnetic Properties · Figure 5
isothermal magnetisation at 1.8 K and 70 kOe	11.71 N beta	—	—	Text Exact Reported	6 · 2.4 Magnetic Properties · Figure S15

DC magnetic susceptibility and isothermal magnetisation

Magnetometry and magnetic susceptibility

Er-m-TTFTB polycrystalline/powder sample · Powder

Quantum Design SQUID VSM; 2-300 K under 1000 Oe; M-H to 70 kOe at 1.8 K.

Temperature: 2-300
Geometry: polycrystalline sample
Context: pristine framework
Measurement source: 6 · 2.4 Magnetic Properties · Figure 5; Figure S16

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Er-m-TTFTB low-temperature moment upturn	upturn below ca. 6 K	—	—	Text Approximate	6 · 2.4 Magnetic Properties · Figures S16-S18
chiM T at 300 K	23.22 cm3 K mol^-1	—	—	Text Exact Reported	6 · 2.4 Magnetic Properties · Figure 5
isothermal magnetisation at 1.8 K and 70 kOe	11.08 N beta	—	—	Text Exact Reported	6 · 2.4 Magnetic Properties · Figure S16

DC magnetic susceptibility modelling

Magnetometry and magnetic susceptibility

Gd-m-TTFTB polycrystalline/powder sample · Powder

Gd-m-TTFTB chiM T measured in 1000 Oe field; compared with simulations of two isolated Gd ions and Gd2 cluster magnetic coupling.

Temperature: 2-300
Geometry: polycrystalline sample
Context: pristine framework
Measurement source: 6 · 2.4 Magnetic Properties · Figure S13

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Gd-m-TTFTB antiferromagnetic exchange interaction J	J = -1 cm^-1	—	—	Text Exact Reported	6 · 2.4 Magnetic Properties · Figure S13

DC magnetic susceptibility and isothermal magnetisation

Magnetometry and magnetic susceptibility

Tb-m-TTFTB polycrystalline/powder sample · Powder

Quantum Design SQUID VSM; fresh polycrystalline samples; 2-300 K under 1000 Oe for chiM T; isothermal M-H to 70 kOe at 1.8 K.

Temperature: 2-300
Geometry: polycrystalline sample
Context: pristine framework
Measurement source: 6 · 2.4 Magnetic Properties · Figure 5; Figure S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
chiM T at 300 K	23.59 cm3 K mol^-1	—	—	Text Exact Reported	6 · 2.4 Magnetic Properties · Figure 5
isothermal magnetisation at 1.8 K and 70 kOe	10.84 N beta	—	—	Text Exact Reported	6 · 2.4 Magnetic Properties · Figure S14

thermogravimetric analysis

Thermogravimetric analysis

Tb-m-TTFTB polycrystalline/powder sample · Powder

STA 449C thermal analysis, 10 deg C min^-1 under N2; SI Figure S5 covers Tb/Er/Gd.

Atmosphere: N2
Geometry: powder/polycrystalline
Context: pristine frameworks
Measurement source: 7 · Figure S5 discussion · Figure S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Er-m-TTFTB weight loss near 110 deg C	~2.6%	—	—	Text Approximate	7 · Figure S5 discussion · Figure S5
Er-m-TTFTB weight loss near 310 deg C	~13.2%	—	—	Text Approximate	7 · Figure S5 discussion · Figure S5
Gd-m-TTFTB weight loss near 110 deg C	about 3.4%	—	—	Text Approximate	7 · Figure S5 discussion · Figure S5
Gd-m-TTFTB weight loss near 310 deg C	13.7%	—	—	Text Rounded Reported	7 · Figure S5 discussion · Figure S5
Tb-m-TTFTB weight loss near 110 deg C	~2.8%	—	—	Text Approximate	7 · Figure S5 discussion · Figure S5
Tb-m-TTFTB weight loss near 310 deg C	13.3%	—	—	Text Rounded Reported	7 · Figure S5 discussion · Figure S5
thermal stability limit	stable up to ca. 450 deg C under N2	—	—	Text Approximate	7 · Figure S5 discussion · Figure S5