Computational Modelling — Effects of intervalence charge transfer interaction between π-stacked mixed valent tetrathiafulvalene ligands on the electrical conductivity of 3D metal-organic frameworks

Measurement evidence

Computational Modelling

Effects of intervalence charge transfer interaction between π-stacked mixed valent tetrathiafulvalene ligands on the electrical conductivity of 3D metal-organic frameworks · Zhang S., Panda D.K., Yadav A. et al. · Chemical Science · 2021 · 13379-13391

3 measurement groups · 9 results

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

DFT band structure and density of states using Quantum Espresso; PBE optimisation and HSE06 single-point calculation

Cs-MOF 4 · Powder

Norm-conserving pseudopotentials; cutoff 544 eV; Monkhorst-Pack k-point mesh 3x3x3 for Na-MOF 1, 2x3x6 for K-MOF 2, 6x3x2 for Cs-MOF 4; primitive cell; HSE06 band structure/DOS from single point.

Geometry
model based on single-crystal structure
Context
mixed experimental/computational paper; real synthesis routes retained for experimental samples
Measurement source
S3 · General Materials and Methods
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
dominant band-edge orbital contributionsVBM/CBM mainly S-3p and C-2p orbitals of TTFTC, little/no metal contributionText
Qualitative
13387 · Electronic band structures, band gaps, and density of states · Fig. 7
calculated electronic band gap Eel2.15 eVText
Rounded Reported
13386 · Electronic band structures, band gaps, and density of states · Fig. 7
calculated valence-band dispersionca. 0.07 eVText
Approximate
13386 · Electronic band structures, band gaps, and density of states · Fig. 7

DFT band structure and density of states using Quantum Espresso; PBE optimisation and HSE06 single-point calculation

K-MOF 2 · Powder

Norm-conserving pseudopotentials; cutoff 544 eV; Monkhorst-Pack k-point mesh 3x3x3 for Na-MOF 1, 2x3x6 for K-MOF 2, 6x3x2 for Cs-MOF 4; primitive cell; HSE06 band structure/DOS from single point.

Geometry
model based on single-crystal structure
Context
mixed experimental/computational paper; real synthesis routes retained for experimental samples
Measurement source
S3 · General Materials and Methods
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
dominant band-edge orbital contributionsVBM/CBM mainly S-3p and C-2p orbitals of TTFTC, little/no metal contributionText
Qualitative
13387 · Electronic band structures, band gaps, and density of states · Fig. 7
calculated electronic band gap Eel2 eVText
Rounded Reported
13386 · Electronic band structures, band gaps, and density of states · Fig. 7
calculated valence-band dispersionca. 0.16 eVText
Approximate
13386 · Electronic band structures, band gaps, and density of states · Fig. 7

DFT band structure and density of states using Quantum Espresso; PBE optimisation and HSE06 single-point calculation

Na-MOF 1-ox · Powder

Norm-conserving pseudopotentials; cutoff 544 eV; Monkhorst-Pack k-point mesh 3x3x3 for Na-MOF 1, 2x3x6 for K-MOF 2, 6x3x2 for Cs-MOF 4; primitive cell; HSE06 band structure/DOS from single point.

Geometry
model based on single-crystal structure
Context
mixed experimental/computational paper; real synthesis routes retained for experimental samples
Measurement source
S3 · General Materials and Methods
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
dominant band-edge orbital contributionsVBM/CBM mainly S-3p and C-2p orbitals of TTFTC, little/no metal contributionText
Qualitative
13387 · Electronic band structures, band gaps, and density of states · Fig. 7
calculated electronic band gap EelMarked as a best value within this paper1.67 eVText
Rounded Reported
13386 · Electronic band structures, band gaps, and density of states · Fig. 7
calculated valence-band dispersionMarked as a best value within this paperca. 0.43 eVText
Approximate
13386 · Electronic band structures, band gaps, and density of states · Fig. 7