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Calculated Frequencies for F2O (Difluorine monoxide) 1A1 C2v

19 07 18 15 43
InChI=1S/F2O/c1-3-2 INChIKey=UJMWVICAENGCRF-UHFFFAOYSA-N


Click on an entry for details.
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 PM6 freq
composite G4 freq
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 cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ cc-pV(T+d)Z daug-cc-pVTZ
hartree fock HF freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq freq
density functional LSDA freq freq freq freq freq freq freq freq freq freq     freq freq   freq   freq  
BLYP freq freq freq freq freq freq freq freq freq freq     freq freq   freq   freq  
B1B95 freq freq 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 freq  
B3LYPultrafine         freq   freq             freq     freq    
B3PW91 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  
M06-2X     freq   freq         freq freqR     freq     freq    
PBEPBE freq freq freq freq freq freq freq freq freq freq freq   freq freq   freq freq freq  
PBEPBEultrafine         freq                            
PBE1PBE         freq                            
HSEh1PBE   freq     freq   freq             freq          
TPSSh         freq   freq     freq       freq          
wB97X-D     freq   freq   freq   freq     freq freq freq     freq    
B97D3   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 cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ cc-pV(T+d)Z 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    
MP3         freq                            
MP3=FULL         freq   freq                        
MP4         freq                 freq       freq  
B2PLYP         freq         freq       freq     freq    
B2PLYP=FULLultrafine         freqR               freqR freqR     freq    
Configuration interaction CID         freq                            
CISD         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 cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ cc-pV(T+d)Z daug-cc-pVTZ
Quadratic configuration interaction QCISD   freq     freq freq freq freq freq freq     freq freq     freq freq  
QCISD(T)         freq                            
Coupled Cluster CCD         freq               freq            
CCSD         freq         freq       freq     freq    
CCSD=FULL         freq         freq       freq     freq    
CCSD(T)         freq freq               freq       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 cc-pVQZ 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 freq freq freq freq freq freq     freq
density functional B1B95 freq freq              
B3LYP freq freq freq freq freq freq     freq
PBEPBE                 freq
Moller Plesset perturbation MP2 freq freq freq freq freq freq     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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