National Institute of Standards and Technology
Computational Chemistry Comparison and Benchmark DataBase
Release 22May 2022
NIST Standard Reference Database 101
IIntroduction
IIExperimental data
IIICalculated data
IVData comparisons
VCost comparisons
VIInput and output files
VIITutorials and Units
VIIILinks to other sites
IXFeedback
XOlder CCCBDB versions
XIIGeometries
XIII Vibrations
XIVReaction data
XVEntropy data
XVIBibliographic data
XVIIIon data
XVIIIBad calculations
XIXIndex of properties
XXH-bond dimers
XXIOddities

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IV.D.4. (XII.A.2.)

Comparison of experiment and theory for aFBrF

Species with coordinate aFBrF
Species Name
BrF3 Bromine trifluoride
BrF5 bromine pentafluoride
The small subscript is the number of angles with completed calculations.
Click on an entry for a histogram of the difference distribution.
rms differences (calculated - experiment) in degrees
Methods with predefined basis sets

rms differences (calculated - experiment) in degrees
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   2.410 1.210 2.310 0.910 0.910 0.58 0.810 0.810 1.110 1.010 0.810 0.710 1.010 0.810 1.42 1.010
density functional LSDA 4.410 0.910 0.810 1.010 0.310 0.310 1.010 0.510 0.510 0.310     0.610 0.210 0.410    
BLYP   1.710 1.610 0.810 0.710 1.110 2.010 1.510 1.510 0.610     2.32 1.92 1.410    
B1B95 9.42   0.410 2.210 0.410 0.310 0.210 0.110 0.110 0.710     0.110 0.310 0.210 0.110  
B3LYP 9.52 1.110 0.210 1.710 0.110 0.110 0.710 0.310 0.310 0.310   0.310 0.310 0.110 0.310 0.210  
B3LYPultrafine                           0.22   0.310  
B3PW91   1.110 0.210 1.710 0.010 0.010 0.610 0.210 0.210 0.410     0.210 0.010 0.210    
mPW1PW91 4.82 1.610 0.310 2.010 0.210 0.210 0.310 0.010 0.010 0.510     0.010 0.210 0.110    
M06-2X     1.110   0.810                        
PBEPBE   1.310 1.210 0.510 0.810 0.810 1.510 1.110 1.110 0.310     1.110 0.810 1.010 1.12  
PBEPBEultrafine         1.12                        
PBE1PBE         0.310                        
HSEh1PBE   1.610     0.310   0.310             0.710      
TPSSh         0.410   0.210     0.110       0.410      
wB97X-D     0.410   0.410   0.810   0.610     0.610 0.810 0.410   0.210  
B97D3   0.510     1.110   1.310   1.110   1.210 1.510   1.410   1.010  
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   2.110 0.610 2.310 0.210 0.410 0.310 0.610 0.110 0.710   0.210 0.210 0.510 0.110 0.210  
MP2=FULL   2.110 0.610 2.310 0.410 0.310 0.410 0.110 0.110 0.92     0.210 0.510 0.12    
MP3         1.42   0.710                    
MP3=FULL         0.710   0.410                    
MP4   1.910     0.210                 0.22      
B2PLYP         0.210                 0.410      
Configuration interaction CID   2.510 1.110 2.510 0.810     1.02 1.02                
CISD   2.410 1.010 2.410 0.710     0.92 0.92                
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   2.310 0.810 2.310 0.510 0.510 0.110 0.72 0.72 1.22     0.28        
QCISD(T)         0.510                        
Coupled Cluster CCD   2.610 1.010 2.710 0.310 0.710 0.210 1.02 1.02 1.42     0.48        
CCSD         0.610                        
CCSD(T)         0.510                        
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

rms differences (calculated - experiment) in degrees
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 1.610   1.610   1.910 1.510     1.410
density functional B1B95 0.310                
B3LYP 0.110   0.210   0.610 0.010     0.610
PBEPBE                 0.910
Moller Plesset perturbation MP2 0.510   0.610   1.210 0.610     0.110
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.