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All results from a given calculation for CH2BrCl (Methane, bromochloro-)

using model chemistry: QCISD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-3071.488308
Energy at 298.15K-3071.493617
HF Energy-3070.925406
Nuclear repulsion energy218.902149
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/6-311+G(3df,2p)
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 3002 3.53      
2 A' 1489 1420 0.04      
3 A' 1286 1227 51.30      
4 A' 782 746 82.58      
5 A' 636 607 19.07      
6 A' 234 223 0.19      
7 A" 3226 3077 0.83      
8 A" 1183 1128 0.01      
9 A" 876 836 2.08      

Unscaled Zero Point Vibrational Energy (zpe) 6430.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 6132.6 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/6-311+G(3df,2p)
ABC
0.98676 0.07064 0.06677

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.023 0.000
Br2 0.837 -0.720 0.000
Cl3 -1.761 0.941 0.000
H4 0.324 1.538 0.896
H5 0.324 1.538 -0.896

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93401.76321.08261.0826
Br21.93403.08432.48292.4829
Cl31.76323.08432.34672.3467
H41.08262.48292.34671.7913
H51.08262.48292.34671.7913

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.984 Br2 C1 H4 107.400
Br2 C1 H5 107.400 Cl3 C1 H4 108.728
Cl3 C1 H5 108.728 H4 C1 H5 111.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability