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 CH2BrCl (Methane, bromochloro-)

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-3069.219916
Energy at 298.15K-3069.225256
HF Energy-3068.581716
Nuclear repulsion energy221.242133
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 CCSD=FULL/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' 3186 3000 3.16      
2 A' 1505 1417 0.02      
3 A' 1302 1226 46.72      
4 A' 794 748 80.06      
5 A' 669 630 10.97      
6 A' 240 226 0.35      
7 A" 3261 3071 0.43      
8 A" 1202 1132 0.00      
9 A" 889 837 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 6523.9 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 6142.9 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 CCSD=FULL/6-31G(2df,p)
ABC
0.99129 0.07233 0.06828

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.005 0.000
Br2 0.839 -0.695 0.000
Cl3 -1.764 0.895 0.000
H4 0.306 1.540 0.890
H5 0.306 1.540 -0.890

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.89551.76761.08301.0830
Br21.89553.05072.46452.4645
Cl31.76763.05072.34392.3439
H41.08302.46452.34391.7799
H51.08302.46452.34391.7799

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.733 Br2 C1 H4 108.580
Br2 C1 H5 108.580 Cl3 C1 H4 108.214
Cl3 C1 H5 108.214 H4 C1 H5 110.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability