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All results from a given calculation for CH2BrCl (Methane, bromochloro-)

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-3071.299484
Energy at 298.15K-3071.304755
HF Energy-3071.299484
Nuclear repulsion energy219.663706
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 B3PW91/6-31G(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' 3130 3009 3.60      
2 A' 1446 1390 0.07      
3 A' 1251 1203 46.24      
4 A' 745 716 100.81      
5 A' 636 612 23.15      
6 A' 229 220 0.28      
7 A" 3212 3088 0.36      
8 A" 1149 1105 0.00      
9 A" 859 826 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 6328.7 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 6084.4 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 B3PW91/6-31G(2df,p)
ABC
0.99491 0.07103 0.06715

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.008 0.000
Br2 0.842 -0.708 0.000
Cl3 -1.770 0.921 0.000
H4 0.312 1.536 0.898
H5 0.312 1.536 -0.898

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.91131.77201.08721.0872
Br21.91133.07792.47452.4745
Cl31.77203.07792.34922.3492
H41.08722.47452.34921.7950
H51.08722.47452.34921.7950

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 113.311 Br2 C1 H4 108.049
Br2 C1 H5 108.049 Cl3 C1 H4 108.096
Cl3 C1 H5 108.096 H4 C1 H5 111.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 Br 0.025      
3 Cl -0.095      
4 H 0.218      
5 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.904 1.295 0.000 1.579
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.634 1.283 0.000
y 1.283 -34.583 0.000
z 0.000 0.000 -36.626
Traceless
 xyz
x -3.029 1.283 0.000
y 1.283 3.047 0.000
z 0.000 0.000 -0.018
Polar
3z2-r2-0.036
x2-y2-4.051
xy1.283
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.528 -1.340 0.000
y -1.340 6.421 0.000
z 0.000 0.000 4.851


<r2> (average value of r2) Å2
<r2> 145.499
(<r2>)1/2 12.062