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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-2711.339826
Energy at 298.15K-2711.345310
HF Energy-2710.863642
Nuclear repulsion energy165.208808
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 MP2/6-311G**
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' 3148 2991 22.12      
2 A' 1527 1451 0.71      
3 A' 1386 1317 72.86      
4 A' 1119 1063 178.34      
5 A' 674 641 61.04      
6 A' 323 307 0.62      
7 A" 3235 3074 9.36      
8 A" 1284 1220 4.12      
9 A" 967 919 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 6831.4 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 6491.2 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 MP2/6-311G**
ABC
1.34612 0.12488 0.11689

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.514 -1.111 0.000
F2 -0.585 -1.912 0.000
Br3 0.000 0.756 0.000
H4 1.093 -1.287 0.904
H5 1.093 -1.287 -0.904

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.36011.93611.08801.0880
F21.36012.73142.00622.0062
Br31.93612.73142.48652.4865
H41.08802.00622.48651.8086
H51.08802.00622.48651.8086

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 110.703 F2 C1 H4 109.564
F2 C1 H5 109.564 Br3 C1 H4 107.265
Br3 C1 H5 107.265 H4 C1 H5 112.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability