Diffraction Structure — Mimicking the Electron Transport Chain and Active Site of [FeFe] Hydrogenases in One Metal-Organic Framework: Factors That Influence Charge Transport

Measurement evidence

Diffraction Structure

Mimicking the Electron Transport Chain and Active Site of [FeFe] Hydrogenases in One Metal-Organic Framework: Factors That Influence Charge Transport · Castner A.T., Johnson B.A., Cohen S.M. et al. · Journal of the American Chemical Society · 2021 · 7991-7999

3 measurement groups · 6 results

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

VESTA distance estimation from PCN-703 crystal structure

PCN-700_NDI_FeFe powder · Powder

Distances estimated from CCDC 1036877 by measuring proxy positions for NDI imide N and Fe2 complex S atoms.

Context
target guest-loaded powder modelled by related structure
Measurement source
p012-p013 / SI pp.12-13 · Estimation of NDI-to-FeFe distance · Figure S8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Maximum estimated NDI-to-FeFe proxy distance13.895 AFigure Axis
Approximate
p013 / SI p.13 · Estimation of NDI-to-FeFe distance · Figure S8
Minimum estimated NDI-to-FeFe proxy distance10.171 AFigure Axis
Approximate
p013 / SI p.13 · Estimation of NDI-to-FeFe distance · Figure S8

Literature structure assignment for PCN-700 / PCN-703 scaffold; PXRD confirmation for prepared PCN-700

PCN-700 MOF powder/crystals · Powder

Zr6 8-connected framework with vacant pockets for sequential linker installation.

Context
pristine scaffold
Measurement source
p002 / article p.7992 · Synthesis and Characterization · Figure 1b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Stretched-out NDI linker lengthapproximately 15.8 AText
Approximate
p003 / article p.7993 · Synthesis and Characterization
Large linker-vacant pocket length16.4 AText
Rounded Reported
p002 / article p.7992 · Synthesis and Characterization
Small linker-vacant pocket length7.0 AText
Rounded Reported
p002 / article p.7992 · Synthesis and Characterization

Powder X-ray diffraction (PXRD)

PCN-700_NDI_FeFe powder · Powder

Cu Kalpha, 3-55 degrees 2theta, 45 kV, 40 mA, 0.02 degree step; bulk powders dried under active vacuum at room temperature.

Context
pristine and linker-inserted powders
Measurement source
p002 / SI p.2 · General Materials and Methods · Figure 2b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
UiO-type phase PXRD peak position2theta around 6.2 degreesCaption
Approximate
p003 / article p.7993 · Synthesis and Characterization · Figure 2 caption