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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-2708.416562
Energy at 298.15K-2708.421936
HF Energy-2708.163670
Nuclear repulsion energy159.917423
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 MP2/6-31G
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' 3175 3038 16.53      
2 A' 1541 1474 3.01      
3 A' 1378 1318 57.66      
4 A' 1015 972 120.05      
5 A' 606 580 58.70      
6 A' 289 276 1.05      
7 A" 3277 3136 8.77      
8 A" 1229 1176 2.43      
9 A" 943 903 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 6726.3 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 6435.8 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 MP2/6-31G
ABC
1.24121 0.11720 0.10942

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.548 -1.142 0.000
F2 -0.613 -1.977 0.000
Br3 0.000 0.780 0.000
H4 1.113 -1.321 0.912
H5 1.113 -1.321 -0.912

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.43011.99821.08771.0877
F21.43012.82422.05902.0590
Br31.99822.82422.54652.5465
H41.08772.05902.54651.8245
H51.08772.05902.54651.8245

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 109.821 F2 C1 H4 108.961
F2 C1 H5 108.961 Br3 C1 H4 107.519
Br3 C1 H5 107.519 H4 C1 H5 114.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability