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: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-3070.921456
Energy at 298.15K-3070.926822
HF Energy-3070.921456
Nuclear repulsion energy218.626119
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 HF/aug-cc-pVDZ
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' 3297 3002 4.94      
2 A' 1545 1407 0.02      
3 A' 1353 1232 72.40      
4 A' 800 729 113.85      
5 A' 657 599 30.73      
6 A' 245 223 0.28      
7 A" 3391 3088 1.08      
8 A" 1242 1131 0.03      
9 A" 918 836 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 6724.0 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 6122.9 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 HF/aug-cc-pVDZ
ABC
0.97843 0.07052 0.06662

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.026 0.000
Br2 0.842 -0.716 0.000
Cl3 -1.770 0.930 0.000
H4 0.313 1.539 0.897
H5 0.313 1.539 -0.897

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93441.77281.07991.0799
Br21.93443.08752.48322.4832
Cl31.77283.08752.34872.3487
H41.07992.48322.34871.7944
H51.07992.48322.34871.7944

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 112.715 Br2 C1 H4 107.528
Br2 C1 H5 107.528 Cl3 C1 H4 108.384
Cl3 C1 H5 108.384 H4 C1 H5 112.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.475      
2 Br 0.315      
3 Cl -0.075      
4 H 0.118      
5 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.918 1.561 0.000 1.811
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.016 1.532 0.000
y 1.532 -35.515 0.000
z 0.000 0.000 -37.723
Traceless
 xyz
x -3.396 1.532 0.000
y 1.532 3.355 0.000
z 0.000 0.000 0.042
Polar
3z2-r20.083
x2-y2-4.501
xy1.532
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.064 -1.382 0.000
y -1.382 7.193 0.000
z 0.000 0.000 5.508


<r2> (average value of r2) Å2
<r2> 147.160
(<r2>)1/2 12.131