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Calculated Frequencies for C4H9SH (1-Butanethiol) 1A' Cs

19 07 18 15 43
InChI=1S/C4H10S/c1-2-3-4-5/h5H,2-4H2,1H3 INChIKey=WQAQPCDUOCURKW-UHFFFAOYSA-N


Click on an entry for details. A subscript indicates the number of imaginary frequencies.
An R subscript indicates raman activity data is available.
For a comparison of experimental versus calculated see section IV.C.1 Compare vibrational frequencies
Methods with predefined basis sets
semi-empirical AM1 freq
PM3 freq
PM6 freq
composite G2 freq
G3 freq
G3B3 freq
G4 freq
CBS-Q freq

Methods with standard basis sets
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVDZ aug-cc-pVTZ daug-cc-pVTZ
hartree fock HF freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
density functional BLYP freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
B1B95 freq freq1 freq1 freq freq freq freq freq freq freq freq freq freq freq freq freq  
B3LYP freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
B3LYPultrafine   freq     freq freq freq freq   freq freq freq freq freq freq freq  
B3PW91 freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
mPW1PW91 freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
M06-2X freq1 freq freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freqR freq1 freq1 freq1 freq1 freq1  
PBEPBE freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
PBEPBEultrafine   freq     freq freq freq freq   freq freq freq freq freq freq freq  
PBE1PBE freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
HSEh1PBE freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
TPSSh freq freq1 freq freq1 freq freq freq freq freq freq freq freq freq freq freq freq  
wB97X-D freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
B97D3 freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freqR
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVDZ aug-cc-pVTZ daug-cc-pVTZ
Moller Plesset perturbation MP2 freq freq freq freq freq freq freq freq freq freq freq freq freq   freq freq  
MP2=FULL freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
MP3         freq   freq         freq freq freq      
MP3=FULL   freq freq freq freq freq freq freq freq freq   freq freq   freq dnf  
MP4   freq     freq       freq     freq freq dnf freq    
MP4=FULL   freq     freq       dnf   dnf     dnf   dnf  
B2PLYP freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
B2PLYP=FULL freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq  
B2PLYP=FULLultrafine freq freq freq freq freqR freq freq freq freq freq freq freq freqR freqR freq freq  
Configuration interaction CID   freq freq freq freq           freq   freq        
CISD   dnf freq freq dnf     freq     dnf   dnf        
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVDZ aug-cc-pVTZ daug-cc-pVTZ
Quadratic configuration interaction QCISD   freq freq freq freq freq freq freq freq freq   freq freq   freq    
QCISD(T)         freq     freq     dnf freq freq dnf   dnf  
QCISD(T)=FULL         freq   freq       dnf   freq dnf   dnf  
Coupled Cluster CCD   freq freq freq freq freq freq freq freq freq   freq freq   freq dnf  
CCSD         freq freq freq freq freq freq   freq freq     dnf  
CCSD=FULL         freq             freq freq     dnf  
CCSD(T)           freq   freq freq freq dnf freq freq dnf      
CCSD(T)=FULL         freq           dnf   freq dnf      
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVDZ aug-cc-pVTZ daug-cc-pVTZ

Methods with effective core potentials (select basis sets)
CEP-31G CEP-31G* CEP-121G CEP-121G* LANL2DZ SDD cc-pVTZ-PP aug-cc-pVTZ-PP Def2TZVPP
hartree fock HF freq freq freq freq freq freq     freq
density functional BLYP                 freq
B1B95                 freq
B3LYP freq freq freq freq freq freq     freq
B3LYPultrafine                 freq
B3PW91                 freq
mPW1PW91                 freq
M06-2X                 freq1
PBEPBE                 freq
PBEPBEultrafine                 freq
PBE1PBE                 freq
HSEh1PBE                 freq
TPSSh                 freq
wB97X-D freq freq freq freq freq freq     freq
B97D3                 freq
Moller Plesset perturbation MP2 freq freq freq freq freq freq     freq
MP2=FULL                 freq
MP4                 dnf
MP4=FULL                 dnf
B2PLYP                 freq
B2PLYP=FULL                 freq
B2PLYP=FULLultrafine                 freq
Configuration interaction CISD                 dnf
Quadratic configuration interaction QCISD(T)                 dnf
QCISD(T)=FULL                 dnf
Coupled Cluster CCSD(T)                 dnf
CCSD(T)=FULL                 dnf
For descriptions of the methods (AM1, HF, MP2, ...) and basis sets (3-21G, 3-21G*, 6-31G, ...) see the glossary in section I.C. Predefined means the basis set used is determined by the method.
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