Computational Modelling — Triazacoronene-Based 2D Conductive Metal–Organic Framework for High-Capacity Lithium Storage

Measurement evidence

Computational Modelling

Triazacoronene-Based 2D Conductive Metal–Organic Framework for High-Capacity Lithium Storage · Yin J.-C., Lian X., Li Z.-G. et al. · Advanced Functional Materials · 2024 · 2403656

3 measurement groups · 7 results

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

Periodic DFT, VASP, PAW/PBE, 520 eV cut-off, 1 x 1 x 7 k-point grid

Cu-TAC DFT model · Model

Band structure, PDOS and VBM/CBM charge density after structural relaxation to forces below 0.01 eV/A.

Context
pristine framework model
Measurement source
SI p.3 · Theoretical Calculation · Figure 3d-f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-TAC calculated indirect band gap0.31 eVText
Exact Reported
main p.4 · Results and Discussion · Figure 3d

DFT molecular orbital calculations, Gaussian 09, B3LYP/6-31G**

HHB/HHTP/6OH-COR/6OH-TAC molecular DFT models · Model

LUMO/HOMO and ESP maps for HHB, HHTP, 6OH-COR and 6OH-TAC; ESP isovalue 0.02.

Context
model molecular comparators
Measurement source
SI p.3 · Theoretical Calculation · Figure S8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
HHB calculated LUMO-HOMO gap5.95 eVText
Exact Reported
main p.2 · Results and Discussion · Figure 1a
HHTP calculated LUMO-HOMO gap4.58 eVText
Exact Reported
main p.2 · Results and Discussion · Figure 1a
6OH-COR calculated LUMO-HOMO gap3.60 eVText
Exact Reported
main p.2 · Results and Discussion · Figure S8
6OH-TAC calculated LUMO-HOMO gapMarked as a best value within this paper3.35 eVText
Exact Reported
main p.2 · Results and Discussion · Figure 1a

Theoretical capacity calculation from electron count and molecular weight

Cu-TAC DFT model · Model

Cu-TAC repeat unit contains one TAC unit and 1.5 CuO4 unit; TAC ten-electron reaction and each CuO4 three-electron reaction.

Context
model stoichiometric active material
Measurement source
SI p.2-3 · Theoretical Capacity Calculation
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-TAC theoretical capacity795.3 mAh g^-1Text
Exact Reported
SI p.3 · Theoretical Capacity Calculation
6OH-TAC theoretical capacityMarked as a best value within this paper1073.9 mAh g^-1Text
Exact Reported
SI p.3 · Theoretical Capacity Calculation