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

using model chemistry: CISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/cc-pVTZ
 hartrees
Energy at 0K-3071.556770
Energy at 298.15K-3071.562121
HF Energy-3071.020363
Nuclear repulsion energy220.065425
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 CISD/cc-pVTZ
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' 3240 3013 4.49      
2 A' 1522 1415 0.00      
3 A' 1320 1227 59.08      
4 A' 805 749 91.12      
5 A' 660 614 19.33      
6 A' 239 223 0.28      
7 A" 3320 3087 0.35      
8 A" 1212 1127 0.02      
9 A" 897 834 2.20      

Unscaled Zero Point Vibrational Energy (zpe) 6607.5 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 6143.6 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 CISD/cc-pVTZ
ABC
0.99963 0.07131 0.06741

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.014 0.000
Br2 0.836 -0.713 0.000
Cl3 -1.758 0.931 0.000
H4 0.319 1.528 0.888
H5 0.319 1.528 -0.888

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.91861.75981.07451.0745
Br21.91863.07072.46532.4653
Cl31.75983.07072.33602.3360
H41.07452.46532.33601.7765
H51.07452.46532.33601.7765

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 113.121 Br2 C1 H4 107.539
Br2 C1 H5 107.539 Cl3 C1 H4 108.583
Cl3 C1 H5 108.583 H4 C1 H5 111.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability