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

using model chemistry: MP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-3491.885029
Energy at 298.15K-3491.889359
HF Energy-3491.792935
Nuclear repulsion energy384.774275
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 MP2/STO-3G
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' 3409 2972 0.09      
2 A' 1328 1158 38.84      
3 A' 885 771 79.63      
4 A' 661 576 14.57      
5 A' 341 298 2.97      
6 A' 227 198 2.15      
7 A" 1327 1157 27.95      
8 A" 905 789 86.30      
9 A" 223 194 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 4652.9 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 4056.9 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 MP2/STO-3G
ABC
0.10183 0.05794 0.03794

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.655 -0.122 0.000
H2 -1.631 0.420 0.000
Br3 0.795 1.158 0.000
Cl4 -0.655 -1.183 1.510
Cl5 -0.655 -1.183 -1.510

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.11611.93331.84571.8457
H21.11612.53512.40852.4085
Br31.93332.53513.14003.1400
Cl41.84572.40853.14003.0203
Cl51.84572.40853.14003.0203

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 109.543 H2 C1 Cl4 106.194
H2 C1 Cl5 106.194 Br3 C1 Cl4 112.365
Br3 C1 Cl5 112.365 Cl4 C1 Cl5 109.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability