Published April 29, 2026 | Version v1.0
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BUTDIF

  • 1. University of Strathclyde

Description

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

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Additional details

Related works

Is supplement to
Journal article: 10.1107/S2053229615014308 (DOI)

Domain Specific Metadata

 

Excited States Properties

Property Value
E(S1) SA-CASSCF / eV 2.719
E(S2) SA-CASSCF / eV 2.801
E(T1) SA-CASSCF / eV 2.52
E(T2) SA-CASSCF / eV 2.67
f(S1) SA-CASSCF 0.044087435
f(S2) SA-CASSCF 0.117084101
E(S1) SC-NEVPT2 / eV 3.433
E(S2) SC-NEVPT2 / eV 3.481
E(T1) SC-NEVPT2 / eV 3.264
E(T2) SC-NEVPT2 / eV 3.444
f(S1) SC-NEVPT2 0.0556704
f(S2) SC-NEVPT2 0.145498898

Molecule Identifiers

Property Value
CCDC ID BUTDIF
SMILES CCNH+ (CC)c1ccc(CC- 2C(=O)OC(C)(C)OC2=O)cc1
InChI InChI=1S/C17H22NO4/c1-5-18(6-2)13-9-7-12(8-10-13)11-14-15(19)21-17(3,4)22-16(14)20/h7-10H,5-6,11H2,1-4H3/q-1/p+1
Molecular Formula C17 H23 N1 O4
CCDC URL https://www.ccdc.cam.ac.uk/structures/Search?Ccdcid=BUTDIF&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*