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

using model chemistry: MP4=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-2698.028118
Energy at 298.15K-2698.033487
HF Energy-2697.750365
Nuclear repulsion energy158.623456
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=FULL/3-21G
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' 3108 3042        
2 A' 1560 1527        
3 A' 1371 1342        
4 A' 1074 1052        
5 A' 596 583        
6 A' 279 273        
7 A" 3183 3116        
8 A" 1251 1225        
9 A" 933 913        

Unscaled Zero Point Vibrational Energy (zpe) 6677.3 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 6535.8 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=FULL/3-21G
ABC
1.26264 0.11453 0.10722

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.536 -1.173 0.000
F2 -0.607 -1.995 0.000
Br3 0.000 0.790 0.000
H4 1.123 -1.324 0.906
H5 1.123 -1.324 -0.906

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.40662.03491.09051.0905
F21.40662.84962.06422.0642
Br32.03492.84962.55972.5597
H41.09052.06422.55971.8130
H51.09052.06422.55971.8130

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 110.457 F2 C1 H4 110.872
F2 C1 H5 110.872 Br3 C1 H4 105.981
Br3 C1 H5 105.981 H4 C1 H5 112.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability