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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G*
 hartrees
Energy at 0K-3058.699166
Energy at 298.15K-3058.704436
HF Energy-3058.699166
Nuclear repulsion energy218.085375
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 PBE1PBE/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' 3155 3028 3.08      
2 A' 1504 1443 0.84      
3 A' 1294 1242 35.50      
4 A' 712 683 105.91      
5 A' 641 615 16.34      
6 A' 231 222 0.29      
7 A" 3237 3107 0.27      
8 A" 1196 1148 0.00      
9 A" 869 834 6.48      

Unscaled Zero Point Vibrational Energy (zpe) 6418.3 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 6160.3 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 PBE1PBE/3-21G*
ABC
0.96250 0.07032 0.06638

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.028 0.000
Br2 0.848 -0.710 0.000
Cl3 -1.782 0.917 0.000
H4 0.313 1.552 0.901
H5 0.313 1.552 -0.901

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93381.78591.08781.0878
Br21.93383.09272.49302.4930
Cl31.78593.09272.36732.3673
H41.08782.49302.36731.8011
H51.08782.49302.36731.8011

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 112.431 Br2 C1 H4 107.883
Br2 C1 H5 107.883 Cl3 C1 H4 108.469
Cl3 C1 H5 108.469 H4 C1 H5 111.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.610      
2 Br -0.007      
3 Cl 0.005      
4 H 0.306      
5 H 0.306      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.133 1.286 0.000 1.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.115 1.228 0.000
y 1.228 -34.508 0.000
z 0.000 0.000 -36.920
Traceless
 xyz
x -3.401 1.228 0.000
y 1.228 3.509 0.000
z 0.000 0.000 -0.108
Polar
3z2-r2-0.216
x2-y2-4.607
xy1.228
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.260 -1.345 0.000
y -1.345 5.157 0.000
z 0.000 0.000 3.385


<r2> (average value of r2) Å2
<r2> 147.094
(<r2>)1/2 12.128