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

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-3513.811322
Energy at 298.15K-3513.815678
HF Energy-3513.279935
Nuclear repulsion energy390.813607
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/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' 3186 3062 0.19      
2 A' 1245 1196 27.29      
3 A' 722 694 94.98      
4 A' 610 586 5.76      
5 A' 326 313 0.26      
6 A' 225 216 0.24      
7 A" 1290 1240 16.07      
8 A" 728 700 109.05      
9 A" 218 209 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 4274.5 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 4108.2 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/3-21G*
ABC
0.10593 0.05974 0.03930

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.691 -0.114 0.000
H2 -1.595 0.490 0.000
Br3 0.836 1.104 0.000
Cl4 -0.691 -1.131 1.479
Cl5 -0.691 -1.131 -1.479

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08701.95361.79441.7944
H21.08702.50662.37292.3729
Br31.95362.50663.08433.0843
Cl41.79442.37293.08432.9576
Cl51.79442.37293.08432.9576

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 107.610 H2 C1 Cl4 108.367
H2 C1 Cl5 108.367 Br3 C1 Cl4 110.687
Br3 C1 Cl5 110.687 Cl4 C1 Cl5 111.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability