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

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-2709.101329
Energy at 298.15K-2709.106822
HF Energy-2708.531855
Nuclear repulsion energy166.724871
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 QCISD/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' 3137 2972 16.42      
2 A' 1541 1460 0.21      
3 A' 1384 1312 51.32      
4 A' 1144 1084 145.68      
5 A' 685 649 51.30      
6 A' 326 309 0.68      
7 A" 3212 3043 6.89      
8 A" 1286 1219 2.58      
9 A" 974 922 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 6844.2 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 6484.2 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 QCISD/6-31G(2df,p)
ABC
1.34056 0.12799 0.11954

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.514 -1.100 0.000
F2 -0.587 -1.886 0.000
Br3 0.000 0.747 0.000
H4 1.098 -1.284 0.900
H5 1.098 -1.284 -0.900

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.35231.91741.08861.0886
F21.35232.69702.00272.0027
Br31.91742.69702.47832.4783
H41.08862.00272.47831.8000
H51.08862.00272.47831.8000

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 109.945 F2 C1 H4 109.794
F2 C1 H5 109.794 Br3 C1 H4 107.864
Br3 C1 H5 107.864 H4 C1 H5 111.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability