Computational Modelling — Dirac-cone induced metallic conductivity in Cu3(HHTP)2: high-quality MOF thin films fabricated via ML-driven robotic synthesis

Measurement evidence

Computational Modelling

Dirac-cone induced metallic conductivity in Cu3(HHTP)2: high-quality MOF thin films fabricated via ML-driven robotic synthesis · Scheiger C., Pohls J.F., Mostaghimi M. et al. · Materials Horizons · 2025 · 6189-6194

4 measurement groups · 8 results

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

DFT band structure, high-spin 2D model

Co3(HHTP)2 2D computational model · Model

Fully relaxed 2D Co3(HHTP)2 model

Atmosphere
in silico
Geometry
2D model
Context
model system
Measurement source
p008 / SI page 8 · Band Structure Calculations · Figure 9
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co3(HHTP)2 calculated band structurefully relaxed 2D high-spin band structure calculated; no numeric transport reportedCaption
Qualitative
p008 / SI page 8 · Band Structure Calculations · Figure 9

DFT band structure with VASP 6.2.1, PBE, PAW, MBD@rSC/FI dispersion, collinear spin polarisation

Cu3(HHTP)2 monolayer computational model · Model

Plane-wave cutoff 520 eV; k-point mesh 2x2x7 for periodic Cu3(HHTP)2; forces <0.01 eV/A

Atmosphere
in silico
Geometry
2D monolayer and 3D bulk models
Context
model system
Measurement source
p002 / SI page 2 · Computational details · Figures 6-7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu3(HHTP)2 bulk Dirac-cone remnantsABAB stacking distorts the monolayer band structure but Dirac-cone remnants and low effective carrier mass remainText
Qualitative
p004 / 6192 · Results · Fig. 3
Cu3(HHTP)2 monolayer Dirac cone shift above Fermi energyabout 0.1 eV above EFaboutText
Approximate
p004 / 6192 · Results · Fig. 3
Cu3(HHTP)2 monolayer Dirac coneDirac cone clearly visible at the K pointText
Qualitative
p004 / 6192 · Results · Fig. 3

DFT band structure, high-spin 2D model

Ni3(HHTP)2 2D computational model · Model

Fully relaxed 2D Ni3(HHTP)2 model

Atmosphere
in silico
Geometry
2D model
Context
model system
Measurement source
p008 / SI page 8 · Band Structure Calculations · Figure 8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni3(HHTP)2 calculated band structurefully relaxed 2D high-spin band structure calculated; no numeric transport reportedCaption
Qualitative
p008 / SI page 8 · Band Structure Calculations · Figure 8

TD-DFT absorption spectra with TURBOMOLE 7.7.1, CAM-B3LYP/def2-TZVP, RPA, 120 vertical excitations

Cu3(HHTP)2 monolayer computational model · Model

Gas-phase saturated fragments; Gaussian broadening FWHM 20 nm, 2 nm step width

Atmosphere
in silico
Geometry
monolayer, parallel double-layer, sliding double-layer fragments with 0-3 SBUs
Context
model system
Measurement source
p002 / SI page 2 · Computational details · Figures 1-5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Effect of increased SBU coordination on visible absorptionmore absorption bands appear with increased coordination, making samples darkerText
Qualitative
p005 / SI page 5 · Analysis of UV-vis absorption · Figure 3
HHTP fragment absorption without bonded SBUsabsorption bands below 300 nm; no visible-region peaksbelowText
Range
p003 / SI page 3 · Analysis of UV-vis absorption · Figure 1
Metal-linker charge-transfer absorption bandnew absorption band between 500-600 nm; peak around 580 nmaroundText
Approximate
p003-p004 / SI pages 3-4 · Analysis of UV-vis absorption · Figure 2