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

using model chemistry: QCISD/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-3528.189308
Energy at 298.15K-3528.193765
HF Energy-3527.470985
Nuclear repulsion energy397.084746
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(2df,p)
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' 3225 3055 1.31      
2 A' 1234 1169 29.62      
3 A' 781 740 97.22      
4 A' 634 601 6.69      
5 A' 339 321 0.19      
6 A' 230 218 0.20      
7 A" 1268 1202 20.32      
8 A" 809 766 113.17      
9 A" 224 212 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4371.6 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 4141.6 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/6-31G(2df,p)
ABC
0.10908 0.06171 0.04053

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.666 -0.119 0.000
H2 -1.581 0.461 0.000
Br3 0.806 1.098 0.000
Cl4 -0.666 -1.123 1.458
Cl5 -0.666 -1.123 -1.458

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08371.90981.77001.7700
H21.08372.47022.33922.3392
Br31.90982.47023.03723.0372
Cl41.77002.33923.03722.9159
Cl51.77002.33923.03722.9159

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 108.018 H2 C1 Cl4 107.672
H2 C1 Cl5 107.672 Br3 C1 Cl4 111.194
Br3 C1 Cl5 111.194 Cl4 C1 Cl5 110.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability