Computational Modelling — A two-dimensional π-d conjugated coordination polymer with extremely high electrical conductivity and ambipolar transport behaviour

Measurement evidence

Computational Modelling

A two-dimensional π-d conjugated coordination polymer with extremely high electrical conductivity and ambipolar transport behaviour · Huang X., Sheng P., Tu Z. et al. · Nature Communications · 2015 · 7408

2 measurement groups · 10 results

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

CALYPSO structure prediction and VASP DFT band calculations

Single-layer Cu3C6S6 candidate structures · Model

Particle-swarm structure search; VASP structural optimisation; PBE, LDA and LDA+U(U=4,6) band/DOS calculations for single layer.

Context
Cu3C6S6 model systems
Measurement source
SI p.4-6 · Supplementary Fig. 8; Supplementary Note 1 · Supplementary Fig. 8; Supplementary Table 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Calculated metallic electronic structureFermi level cuts very wide bands for AA/AB stacking and single-layer configurations.Text
Qualitative
main p.6 · XPS and UPS characterizations · Supplementary Fig. 7; Supplementary Fig. 8
Single-layer candidate crystal (a) total energy-85.52 eVSI Table
Exact Reported
SI p.6 · Supplementary Table 3 · Supplementary Table 3
Single-layer candidate crystal (b) total energy-88.13 eVSI Table
Exact Reported
SI p.6 · Supplementary Table 3 · Supplementary Table 3
Single-layer candidate crystal (c) total energyMarked as a best value within this paper-90.05 eVSI Table
Exact Reported
SI p.6 · Supplementary Table 3 · Supplementary Table 3

VASP PAW, PBE and PBE-D2 PES scan; Pawley refinement support

AA-stacked Cu3C6S6 model · Model

PES scan fixing interlayer separation at 3.38 A; about 1000 ab-plane displacements; 5 x 5 x 11 Monkhorst-Pack for AA and 5 x 5 x 5 for AB.

Context
Cu3C6S6 model systems
Measurement source
main p.4 and p.7 · Structural resolution / Calculation detail · Fig. 3; Supplementary Fig. 3; Supplementary Table 1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
DFT-PBE optimised hexagonal lattice parametera = b = 8.76 AText
Rounded Reported
main p.3 · Structural resolution · Fig. 2c
AA/AB stacking energy differenceabout 65 meVaboutText
Approximate
main p.4 · Structural resolution · Supplementary Fig. 3
AA optimised lattice parameter a8.748 ASI Table
Exact Reported
SI p.5 · Supplementary Table 1 · Supplementary Table 1
AA optimised lattice parameter c3.539 ASI Table
Exact Reported
SI p.5 · Supplementary Table 1 · Supplementary Table 1
AB optimised lattice parameter a8.748 ASI Table
Exact Reported
SI p.5 · Supplementary Table 1 · Supplementary Table 1
AB optimised lattice parameter c6.82 ASI Table
Exact Reported
SI p.5 · Supplementary Table 1 · Supplementary Table 1