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All results from a given calculation for CHBrCl2 (Methane, bromodichloro-)

using model chemistry: CCD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-3513.807524
Energy at 298.15K-3513.811901
HF Energy-3513.280067
Nuclear repulsion energy391.303212
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 CCD/3-21G*
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' 3197 3058 0.17      
2 A' 1252 1198 26.41      
3 A' 730 699 91.46      
4 A' 615 588 6.13      
5 A' 329 314 0.28      
6 A' 227 217 0.25      
7 A" 1298 1241 15.40      
8 A" 741 708 103.83      
9 A" 219 210 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 4303.1 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 4115.9 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 CCD/3-21G*
ABC
0.10624 0.05988 0.03940

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.690 -0.115 0.000
H2 -1.593 0.490 0.000
Br3 0.834 1.103 0.000
Cl4 -0.690 -1.130 1.477
Cl5 -0.690 -1.130 -1.477

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08661.95171.79151.7915
H21.08662.50382.37012.3701
Br31.95172.50383.08063.0806
Cl41.79152.37013.08062.9533
Cl51.79152.37013.08062.9533

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.553 H2 C1 Cl4 108.369
H2 C1 Cl5 108.369 Br3 C1 Cl4 110.700
Br3 C1 Cl5 110.700 Cl4 C1 Cl5 111.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability