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All results from a given calculation for CH2BrF (Methane, bromofluoro-)

using model chemistry: MP4/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/TZVP
 hartrees
Energy at 0K-2711.534502
Energy at 298.15K-2711.539949
HF Energy-2710.923121
Nuclear repulsion energy164.112185
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP4/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3127 3011        
2 A' 1516 1460        
3 A' 1375 1324        
4 A' 1078 1038        
5 A' 647 623        
6 A' 312 301        
7 A" 3216 3097        
8 A" 1263 1216        
9 A" 952 917        

Unscaled Zero Point Vibrational Energy (zpe) 6743.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 6493.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP4/TZVP
ABC
1.33466 0.12307 0.11523

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.518 -1.120 0.000
F2 -0.588 -1.926 0.000
Br3 0.000 0.761 0.000
H4 1.091 -1.297 0.907
H5 1.091 -1.297 -0.907

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.36851.95151.08711.0871
F21.36852.75092.00912.0091
Br31.95152.75092.49982.4998
H41.08712.00912.49981.8138
H51.08712.00912.49981.8138

picture of Methane, bromofluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 110.684 F2 C1 H4 109.271
F2 C1 H5 109.271 Br3 C1 H4 107.260
Br3 C1 H5 107.260 H4 C1 H5 113.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability