return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-3073.785123
Energy at 298.15K-3073.790354
HF Energy-3073.785123
Nuclear repulsion energy216.662251
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 B3LYPultrafine/cc-pVTZ
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' 3128 3024 4.08      
2 A' 1451 1403 0.01      
3 A' 1250 1209 53.23      
4 A' 716 692 101.55      
5 A' 594 575 38.63      
6 A' 222 215 0.20      
7 A" 3209 3102 0.33      
8 A" 1146 1108 0.01      
9 A" 854 826 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 6285.1 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 6075.8 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 B3LYPultrafine/cc-pVTZ
ABC
0.98466 0.06888 0.06519

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.030 0.000
Br2 0.845 -0.733 0.000
Cl3 -1.777 0.965 0.000
H4 0.326 1.536 0.898
H5 0.326 1.536 -0.898

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.95431.77851.08111.0811
Br21.95433.12362.49422.4942
Cl31.77853.12362.35732.3573
H41.08112.49422.35731.7959
H51.08112.49422.35731.7959

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 113.521 Br2 C1 H4 106.964
Br2 C1 H5 106.964 Cl3 C1 H4 108.570
Cl3 C1 H5 108.570 H4 C1 H5 112.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.123      
2 Br -0.069      
3 Cl -0.101      
4 H 0.147      
5 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.816 1.393 0.000 1.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.261 1.302 0.000
y 1.302 -35.359 0.000
z 0.000 0.000 -37.332
Traceless
 xyz
x -2.916 1.302 0.000
y 1.302 2.937 0.000
z 0.000 0.000 -0.022
Polar
3z2-r2-0.043
x2-y2-3.902
xy1.302
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.614 -1.621 0.000
y -1.621 6.655 0.000
z 0.000 0.000 4.520


<r2> (average value of r2) Å2
<r2> 149.505
(<r2>)1/2 12.227