Computational Modelling — An Electrically Conducting Three-Dimensional Iron–Catecholate Porous Framework

Measurement evidence

Computational Modelling

An Electrically Conducting Three-Dimensional Iron–Catecholate Porous Framework · Mähringer et al. · Angewandte Chemie International Edition · 2021 · 18065-18072

1 measurement group · 8 results

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

PM6 direct semiempirical molecular-orbital Born-Oppenheimer MD plus imaginary-time electron/hole propagation

Water-filled periodic Fe-HHTP-MOF computational model · Model

EMPIRE PM6 periodic MD; spin-unrestricted broken-symmetry singlet; NVT Berendsen thermostat at 300 K for 5 ps with 0.5 fs steps; subsequent NVE charge-transport simulations; local electron affinity and ionization maps from EH5cube.

Temperature
300 for MD equilibration
Atmosphere
model cavities filled with water
Geometry
Periodic cubic cell; homogeneous electric field in x direction; Gaussian starting electron or hole density.
Context
model of Fe-HHTP-MOF framework
Measurement source
SI p.17-18 · Charge-carrier pathway simulations · Figure 7; Figure S18
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Local electron affinity contour level0 kcal mol^-10 kcal/molCaption
Exact Reported
18071 · Charge-Carrier Pathway Simulations · Figure 7C
Calculated electron transport pathMarked as a best value within this papercontinuous path through lattice via iron centers and connecting ligandsText
Qualitative
18070 · Charge-Carrier Pathway Simulations · Figure 7B-C
Relative electron versus hole propagation distanceelectron moves essentially twice as far as the hole2 relative ratioessentiallyText
Approximate
18070 · Charge-Carrier Pathway Simulations · Figure 7
Calculated hole transport pathdiscontinuous path with local charge centers largely on water clustersText
Qualitative
18070 · Charge-Carrier Pathway Simulations · Figure 7A-D
Local ionization energy contour level330 kcal mol^-1 = 14.3 eV14.3 eVCaption
Exact Reported
18071 · Charge-Carrier Pathway Simulations · Figure 7D
PM6 MD simulation duration5 ps5 psText
Exact Reported
SI p.17 · Charge-carrier pathway simulations
PM6 MD time step0.5 fs0.5 fsText
Exact Reported
SI p.17 · Charge-carrier pathway simulations
Charge density transport isocontour level1.2 x 10^-5 e-Bohr^-30.000012 e-Bohr^-3Caption
Exact Reported
18071 · Charge-Carrier Pathway Simulations · Figure 7