return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHClBr2 (Methane, dibromochloro-)

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-5648.072055
Energy at 298.15K-5648.079141
HF Energy-5648.072055
Nuclear repulsion energy578.627306
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 B1B95/aug-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' 3208 3075 4.55      
2 A' 1213 1163 19.91      
3 A' 754 723 121.63      
4 A' 579 555 5.80      
5 A' 281 270 0.05      
6 A' 165 158 0.00      
7 A" 1169 1121 35.50      
8 A" 682 654 114.81      
9 A" 199 191 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4125.1 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 3954.0 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 B1B95/aug-cc-pVTZ
ABC
0.08377 0.04154 0.02833

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.231 0.594 0.000
H2 -1.155 1.151 0.000
Cl3 1.100 1.737 0.000
Br4 -0.231 -0.489 1.592
Br5 -0.231 -0.489 -1.592

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.07831.75391.92541.9254
H21.07832.32932.46492.4649
Cl31.75392.32933.04313.0431
Br41.92542.46493.04313.1830
Br51.92542.46493.04313.1830

An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.