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

using model chemistry: mPW1PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-3073.855710
Energy at 298.15K-3073.860988
HF Energy-3073.855710
Nuclear repulsion energy219.128718
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 mPW1PW91/6-311+G(3df,2p)
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' 3142 3142 2.74      
2 A' 1456 1456 0.28      
3 A' 1257 1257 45.88      
4 A' 759 759 97.60      
5 A' 622 622 30.75      
6 A' 230 230 0.18      
7 A" 3224 3224 1.50      
8 A" 1159 1159 0.00      
9 A" 862 862 2.54      

Unscaled Zero Point Vibrational Energy (zpe) 6355.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6355.1 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 mPW1PW91/6-311+G(3df,2p)
ABC
0.99996 0.07062 0.06681

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.019 0.000
Br2 0.834 -0.724 0.000
Cl3 -1.755 0.952 0.000
H4 0.328 1.528 0.897
H5 0.328 1.528 -0.897

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93211.75671.08211.0821
Br21.93213.08452.47662.4766
Cl31.75673.08452.33992.3399
H41.08212.47662.33991.7933
H51.08212.47662.33991.7933

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 113.393 Br2 C1 H4 107.101
Br2 C1 H5 107.101 Cl3 C1 H4 108.688
Cl3 C1 H5 108.688 H4 C1 H5 111.919
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.185      
2 Br -0.041      
3 Cl -0.151      
4 H 0.188      
5 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.767 1.358 0.000 1.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.979 1.257 0.000
y 1.257 -35.228 0.000
z 0.000 0.000 -37.262
Traceless
 xyz
x -2.734 1.257 0.000
y 1.257 2.893 0.000
z 0.000 0.000 -0.159
Polar
3z2-r2-0.317
x2-y2-3.751
xy1.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.443 -1.444 0.000
y -1.444 7.518 0.000
z 0.000 0.000 5.857


<r2> (average value of r2) Å2
<r2> 146.416
(<r2>)1/2 12.100