Published April 29, 2026 | Version v1.0
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ISOTAL

  • 1. University of Strathclyde

Description

Excited state energies, ORCA output file and optimised ground state geometry of ISOTAL. Full dataset available here: BenchmarkSet1500.csv.

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Additional details

Related works

Is supplement to
Journal article: 10.1016/j.molstruc.2003.10.010 (DOI)

Domain Specific Metadata

 

Excited States Properties

Property Value
E(S1) SA-CASSCF / eV 5.943
E(S2) SA-CASSCF / eV 6.91
E(T1) SA-CASSCF / eV 5.679
E(T2) SA-CASSCF / eV 6.289
f(S1) SA-CASSCF 0.000467166
f(S2) SA-CASSCF 0.064226758
E(S1) SC-NEVPT2 / eV 6.185
E(S2) SC-NEVPT2 / eV 6.411
E(T1) SC-NEVPT2 / eV 6.143
E(T2) SC-NEVPT2 / eV 6.174
f(S1) SC-NEVPT2 0.000504
f(S2) SC-NEVPT2 0.057485895

Molecule Identifiers

Property Value
CCDC ID ISOTAL
SMILES NH3+ C(CC(O)=O)CP(O)(=O)O-
InChI InChI=1S/C4H10NO5P/c5-3(1-4(6)7)2-11(8,9)10/h3H,1-2,5H2,(H,6,7)(H2,8,9,10)
Molecular Formula C4 H10 N1 O5 P1
CCDC URL https://www.ccdc.cam.ac.uk/structures/Search?Ccdcid=ISOTAL&DatabaseToSearch=Published

Electronic Structure Methodology

Property Value
Electronic structure methodology SA-CASSCF
Correlation method SC-NEVPT2
Active Space 8,8
Basis Set Def2-TZVP
Excited State Software ORCA
Ground state functional B3LYP
Ground state basis set 6-31G*