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Calculated Frequencies for C6H10 (3-Hexyne) 1A1 C2v

19 07 18 15 43
InChI=1S/C6H10/c1-3-5-6-4-2/h3-4H2,1-2H3 INChIKey=DQQNMIPXXNPGCV-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 freq1
PM6 freq1
composite G2 freqR
G3 freqR
G3B3 freq1
G4 freq1
CBS-Q freqR
molecular mechanics DREIDING 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 cc-pV(T+d)Z daug-cc-pVTZ
hartree fock HF freq1R freqR freqR freq1R freqR freqR freqR freqR freqR freqR   freqR freqR freqR freqR freqR   dnf
density functional LSDA freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq1 freq1 freq1 freq  
BLYP freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq1 freq1 freq1 freq  
B1B95 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq freq1 freq1 freq1 freq  
B3LYP freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq1 freq1 freq1    
B3LYPultrafine   freq     freq freq freq freq1       freq freq freq freq freq    
B3PW91 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq1 freq1 freq1 freq  
mPW1PW91 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq1 freq1 freq1    
M06-2X freq1 freq freq freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq freq freq freq1    
PBEPBE freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq freq1 freq1 freq1 freq1 freq1 freq  
PBEPBEultrafine   freq     freq freq freq freq       freq freq freq freq freq    
PBE1PBE freq1 freq freq freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq1 freq1 freq1    
HSEh1PBE freq1 freq freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq freq1 freq1    
TPSSh freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq1 freq1 freq1    
wB97X-D freq1 freq1 freq freq1 freq freq1 freq freq1 freq freq1   freq freq freq freq1 freq    
B97D3   freq1     freq1   freq1   freq1   freq1 freq1   freq1   freq1    
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 cc-pV(T+d)Z daug-cc-pVTZ
Moller Plesset perturbation MP2 freq freq1 freq1 freq freq freq freq1 freq freq freq   freq freq freq freq freq    
MP2=FULL freq freq freq freq freq freq freq1 freq freq freq   freq1 freq freq freq freq    
MP3         freq   dnf         dnf dnf dnf        
MP3=FULL   freq freq freq1 freq freq freq1 freq1 freq freq   freq1 freq   freq1      
MP4   freq1     freq1       freq1       freq1   freq1      
MP4=FULL   freq1     freq1       freq1       freq1          
B2PLYP freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq1 freq1      
B2PLYP=FULL freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1 freq1   freq1 freq1 freq1 freq1 freq1    
B2PLYP=FULLultrafine freq1 freq freq freq freq freq freq1 freq freq1 freq1   freq1 freq freq freq freq    
Configuration interaction CID   dnf dnf dnf freq     freq                    
CISD   dnf dnf dnf freq                          
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 cc-pV(T+d)Z daug-cc-pVTZ
Quadratic configuration interaction QCISD   freq1 freq1 freq1 freq1 freq freq1 freq1 freq freq1   freq1 freq   freq      
QCISD(T)         freq1     freq1       freq1 freq1          
QCISD(T)=FULL         freq1               freq1 dnf        
Coupled Cluster CCD   freq1 freq1 freq1 freq1 freq freq1 freq1 freq1 freq1   freq1 freq   freq1      
CCSD         freq1         freq1   freq1 freq dnf freq1      
CCSD=FULL         freq             freq1 freq   freq      
CCSD(T)         freq1     freq1       freq1 freq1          
CCSD(T)=FULL         freq1               freq1          
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 cc-pV(T+d)Z 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 freq1R freq1R freqR freqR freqR freqR     freq
density functional B3LYP freq1 freq1 freq1 freq1 freq1 freq1     freq1
PBEPBE                 freq1
wB97X-D freq1 freq1 freq1 freq1 freq1 freq1      
Moller Plesset perturbation MP2 freq freq1 freq freq1 freq1 freq1     freq
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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