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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-3058.802853
Energy at 298.15K-3058.808048
HF Energy-3058.802853
Nuclear repulsion energy212.234585
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 B3PW91/3-21G
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' 3177 3054 1.98      
2 A' 1475 1418 0.74      
3 A' 1271 1222 43.63      
4 A' 664 639 133.88      
5 A' 602 579 9.57      
6 A' 215 207 0.57      
7 A" 3274 3147 0.18      
8 A" 1159 1114 0.04      
9 A" 842 809 6.92      

Unscaled Zero Point Vibrational Energy (zpe) 6339.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 6093.8 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 B3PW91/3-21G
ABC
0.92301 0.06611 0.06245

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.042 0.000
Br2 0.891 -0.708 0.000
Cl3 -1.866 0.905 0.000
H4 0.270 1.573 0.907
H5 0.270 1.573 -0.907

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.96371.87121.08521.0852
Br21.96373.19422.53172.5317
Cl31.87123.19422.41532.4153
H41.08522.53172.41531.8142
H51.08522.53172.41531.8142

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 112.778 Br2 C1 H4 108.832
Br2 C1 H5 108.832 Cl3 C1 H4 106.521
Cl3 C1 H5 106.521 H4 C1 H5 113.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.820      
2 Br 0.144      
3 Cl 0.025      
4 H 0.325      
5 H 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.589 1.300 0.000 2.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.551 1.622 0.000
y 1.622 -35.035 0.000
z 0.000 0.000 -37.050
Traceless
 xyz
x -4.508 1.622 0.000
y 1.622 3.766 0.000
z 0.000 0.000 0.742
Polar
3z2-r21.485
x2-y2-5.516
xy1.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.139 -1.775 0.000
y -1.775 4.671 0.000
z 0.000 0.000 2.252


<r2> (average value of r2) Å2
<r2> 155.149
(<r2>)1/2 12.456