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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-3071.359099
Energy at 298.15K-3071.364372
HF Energy-3071.359099
Nuclear repulsion energy218.333308
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 mPW1PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3177 3013 4.68      
2 A' 1488 1411 0.23      
3 A' 1288 1221 59.66      
4 A' 760 721 103.69      
5 A' 619 587 35.25      
6 A' 234 222 0.26      
7 A" 3264 3096 0.11      
8 A" 1185 1124 0.01      
9 A" 869 825 3.93      

Unscaled Zero Point Vibrational Energy (zpe) 6441.5 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 6108.5 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 mPW1PW91/6-31G*
ABC
0.98988 0.07013 0.06633

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.022 0.000
Br2 0.839 -0.724 0.000
Cl3 -1.765 0.950 0.000
H4 0.331 1.534 0.899
H5 0.331 1.534 -0.899

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93711.76671.08571.0857
Br21.93713.09582.48292.4829
Cl31.76673.09582.35392.3539
H41.08572.48292.35391.7970
H51.08572.48292.35391.7970

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 113.326 Br2 C1 H4 107.056
Br2 C1 H5 107.056 Cl3 C1 H4 108.868
Cl3 C1 H5 108.868 H4 C1 H5 111.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.461      
2 Br -0.070      
3 Cl 0.003      
4 H 0.264      
5 H 0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.942 1.423 0.000 1.706
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.896 1.284 0.000
y 1.284 -34.598 0.000
z 0.000 0.000 -36.822
Traceless
 xyz
x -3.186 1.284 0.000
y 1.284 3.261 0.000
z 0.000 0.000 -0.075
Polar
3z2-r2-0.151
x2-y2-4.298
xy1.284
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.593 -1.383 0.000
y -1.383 5.559 0.000
z 0.000 0.000 3.794


<r2> (average value of r2) Å2
<r2> 147.066
(<r2>)1/2 12.127