Diffraction Structure — A Water-Stable Proton-Conductive Barium(II)-Organic Framework for Ammonia Sensing at High Humidity

Measurement evidence

Diffraction Structure

A Water-Stable Proton-Conductive Barium(II)-Organic Framework for Ammonia Sensing at High Humidity · Guo K., Zhao L., Yu S. et al. · Inorganic Chemistry · 2018 · 7104-7112

3 measurement groups · 26 results

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

Crystallographic bond-distance/angle and hydrogen-bond analysis from single-crystal structure

As-synthesised pale yellow rod crystals of MOF 1 · Single Crystal

Selected Ba-ligand distances and hydrogen bond parameters reported in SI Tables S1-S2.

Temperature
293(2)
Atmosphere
not specified
Geometry
single-crystal-derived structural model
Context
pristine MOF 1 crystal
Measurement source
p002-p003 · Tables S1-S2 · Table S1; Table S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ba...Ba distance inside binuclear unit4.1968(7) AText
Exact Reported
p003 · Crystal Structure · Figure S4
Ba1 coordination number10-coordinatedText
Exact Reported
p003 · Crystal Structure · Figure S3
N-H...O hydrogen-bond donor-acceptor distanceN(2)-H(2)...O(1)#7, d(D...A) = 2.773(4) ASI Table
Exact Reported
p003 · Table S2 · Table S2
shortest listed hydrogen-bond donor-acceptor distanceO(5)-H(5)...O(4), d(D...A) = 2.451(4) ASI Table
Exact Reported
p003 · Table S2 · Table S2

Powder X-ray diffraction (PXRD), Panalytical X'pert PRO

Water- and pH-treated MOF 1 solids · Powder

As-synthesised, simulated, water-treated, pH-treated, post-impedance, and post-NH3-sensing solids compared.

Atmosphere
air drying after treatments
Geometry
powder/crystalline solids
Context
pristine framework after stability treatments
Measurement source
p003-p004 · Water and Chemical Stability · Figure 3; Figures S15/S18
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
PXRD after proton-conduction measurementsPXRD before and after electrochemical determinations matchedQualitative
Qualitative
p005 · Proton Conduction of MOF 1 · Figure S15
PXRD after NH3 sensingframework stability confirmed before and after NH3 sensingQualitative
Qualitative
p006 · Impedance Ammonia Sensing · Figure S18
pH stability window by PXRDstructural stability after pH 1-11 aqueous treatment for 1 dQualitative
Qualitative
p004 · Water and Chemical Stability · Figure 3b
PXRD phase purityas-synthesised MOF 1 overlaps simulated PXRDQualitative
Qualitative
p004 · Water and Chemical Stability · Figure 3a
water stability by PXRDPXRD unchanged after boiling water 24 h or water immersion 7 dQualitative
Qualitative
p004 · Water and Chemical Stability · Figure 3a

Single-crystal X-ray diffraction; Bruker smart APEXII CCD; Mo Kalpha radiation; SHELXL refinement

As-synthesised pale yellow rod crystals of MOF 1 · Single Crystal

Data collected at 293(2) K; crystallographic parameters reported in Table 1.

Temperature
293(2)
Atmosphere
not specified
Geometry
single crystal, 0.21 x 0.19 x 0.15 mm
Context
pristine MOF 1 crystal
Measurement source
p002 · Experimental - Crystal Structure Determinations · Table 1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
unit cell a8.7117(13)Table
Exact Reported
p002 · Table 1 · Table 1
unit cell alpha79.997(7)Table
Exact Reported
p002 · Table 1 · Table 1
unit cell b10.5772(17)Table
Exact Reported
p002 · Table 1 · Table 1
unit cell beta67.061(6)Table
Exact Reported
p002 · Table 1 · Table 1
unit cell c10.8169(17)Table
Exact Reported
p002 · Table 1 · Table 1
CCDC accession1537928Text
Exact Reported
p002 · Experimental - Crystal Structure Determinations
crystal systemtriclinicTable
Exact Reported
p002 · Table 1 · Table 1
calculated density1.919Table
Exact Reported
p002 · Table 1 · Table 1
empirical formulaC12H14BaN2O10Table
Exact Reported
p002 · Table 1 · Table 1
formula weight483.59Table
Exact Reported
p002 · Table 1 · Table 1
unit cell gamma86.919(6)Table
Exact Reported
p002 · Table 1 · Table 1
absorption coefficient2.248Table
Exact Reported
p002 · Table 1 · Table 1
final R1 index I > 2sigma(I)R1 = 0.0276Table
Exact Reported
p002 · Table 1 · Table 1
space groupP-1Table
Exact Reported
p002 · Table 1 · Table 1
unit cell volume903.8(2)Table
Exact Reported
p002 · Table 1 · Table 1
final wR2 index I > 2sigma(I)wR2 = 0.0749Table
Exact Reported
p002 · Table 1 · Table 1
Z2Table
Exact Reported
p002 · Table 1 · Table 1