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 CBrCl3 (Methane, bromotrichloro-)

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-3986.863094
Energy at 298.15K-3986.866365
HF Energy-3986.152045
Nuclear repulsion energy614.897814
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(T)/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 734 704        
2 A1 430 413        
3 A1 252 242        
4 E 814 781        
4 E 814 781        
5 E 306 294        
5 E 306 294        
6 E 199 191        
6 E 199 191        

Unscaled Zero Point Vibrational Energy (zpe) 2027.6 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 1945.1 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(T)/6-31G*
ABC
0.05697 0.03804 0.03804

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.432
Br2 0.000 0.000 1.541
Cl3 0.000 1.679 -1.006
Cl4 1.454 -0.840 -1.006
Cl5 -1.454 -0.840 -1.006

Atom - Atom Distances (Å)
  C1 Br2 Cl3 Cl4 Cl5
C11.97241.77501.77501.7750
Br21.97243.05103.05103.0510
Cl31.77503.05102.90882.9088
Cl41.77503.05102.90882.9088
Cl51.77503.05102.90882.9088

picture of Methane, bromotrichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 108.891 Br2 C1 Cl4 108.891
Br2 C1 Cl5 108.891 Cl3 C1 Cl4 110.045
Cl3 C1 Cl5 110.045 Cl4 C1 Cl5 110.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability