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

using model chemistry: mPW1PW91/cc-pVTZ-PP

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/cc-pVTZ-PP
 hartrees
Energy at 0K-916.512437
Energy at 298.15K 
HF Energy-916.512437
Nuclear repulsion energy169.031451
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/cc-pVTZ-PP
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' 3145 3145 3.84 96.19 0.06 0.11
2 A' 1453 1453 0.07 8.61 0.71 0.83
3 A' 1254 1254 50.05 1.17 0.26 0.42
4 A' 756 756 100.78 4.05 0.51 0.68
5 A' 625 625 29.45 14.93 0.13 0.23
6 A' 227 227 0.21 5.21 0.44 0.61
7 A" 3228 3228 0.54 47.65 0.75 0.86
8 A" 1154 1154 0.01 3.46 0.75 0.86
9 A" 859 859 2.97 1.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6350.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6350.3 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/cc-pVTZ-PP
ABC
0.99564 0.07045 0.06664

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ-PP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.020 0.000
Br2 0.837 -0.723 0.000
Cl3 -1.761 0.948 0.000
H4 0.326 1.529 0.897
H5 0.326 1.529 -0.897

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93291.76221.08201.0820
Br21.93293.08852.47762.4776
Cl31.76223.08852.34432.3443
H41.08202.47762.34431.7941
H51.08202.47762.34431.7941

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 113.328 Br2 C1 H4 107.122
Br2 C1 H5 107.122 Cl3 C1 H4 108.658
Cl3 C1 H5 108.658 H4 C1 H5 112.006
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.116      
2 Br -0.052      
3 Cl -0.103      
4 H 0.135      
5 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.841 1.330 0.000 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.596 1.224 0.000
y 1.224 -34.675 0.000
z 0.000 0.000 -36.711
Traceless
 xyz
x -2.903 1.224 0.000
y 1.224 2.978 0.000
z 0.000 0.000 -0.076
Polar
3z2-r2-0.151
x2-y2-3.921
xy1.224
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.566 -1.484 0.000
y -1.484 6.562 0.000
z 0.000 0.000 4.629


<r2> (average value of r2) Å2
<r2> 134.189
(<r2>)1/2 11.584