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

using model chemistry: MP2/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-2709.071317
Energy at 298.15K-2709.076816
HF Energy-2708.531842
Nuclear repulsion energy167.073124
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(2df,p)
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 2973 14.94      
2 A' 1538 1453 0.10      
3 A' 1382 1305 48.90      
4 A' 1138 1074 143.99      
5 A' 694 656 52.83      
6 A' 327 309 0.63      
7 A" 3231 3051 5.18      
8 A" 1283 1212 2.45      
9 A" 977 923 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 6859.0 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 6478.3 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 MP2/6-31G(2df,p)
ABC
1.34414 0.12853 0.12003

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.513 -1.095 0.000
F2 -0.586 -1.883 0.000
Br3 0.000 0.745 0.000
H4 1.098 -1.278 0.899
H5 1.098 -1.278 -0.899

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.35321.90991.08831.0883
F21.35322.69302.00332.0033
Br31.90992.69302.47102.4710
H41.08832.00332.47101.7990
H51.08832.00332.47101.7990

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 110.063 F2 C1 H4 109.794
F2 C1 H5 109.794 Br3 C1 H4 107.835
Br3 C1 H5 107.835 H4 C1 H5 111.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability