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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-3068.798862
Energy at 298.15K-3068.804152
HF Energy-3068.391653
Nuclear repulsion energy217.354469
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*
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' 3172 3021 5.90      
2 A' 1509 1437 0.47      
3 A' 1308 1246 60.15      
4 A' 784 747 80.40      
5 A' 617 588 26.43      
6 A' 235 224 0.29      
7 A" 3255 3100 0.02      
8 A" 1199 1142 0.00      
9 A" 881 839 2.81      

Unscaled Zero Point Vibrational Energy (zpe) 6480.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 6171.3 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 QCISD/6-31G*
ABC
0.97251 0.06969 0.06586

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.035 0.000
Br2 0.839 -0.730 0.000
Cl3 -1.767 0.957 0.000
H4 0.335 1.546 0.900
H5 0.335 1.546 -0.900

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.95501.76871.08791.0879
Br21.95503.10442.49912.4991
Cl31.76873.10442.36172.3617
H41.08792.49912.36171.8005
H51.08792.49912.36171.8005

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 112.865 Br2 C1 H4 106.947
Br2 C1 H5 106.947 Cl3 C1 H4 109.200
Cl3 C1 H5 109.200 H4 C1 H5 111.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability