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 CHBrCl2 (Methane, bromodichloro-)

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-3530.967615
Energy at 298.15K-3530.971950
HF Energy-3530.967615
Nuclear repulsion energy393.998086
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 B3LYP/6-31G(2df,p)
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' 3180 3069 1.00      
2 A' 1194 1152 31.13      
3 A' 710 685 126.83      
4 A' 608 587 15.54      
5 A' 326 315 0.14      
6 A' 219 212 0.02      
7 A" 1225 1183 20.82      
8 A" 731 705 149.07      
9 A" 214 206 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4203.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 4056.6 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 B3LYP/6-31G(2df,p)
ABC
0.10748 0.06067 0.03985

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.664 -0.130 0.000
H2 -1.583 0.446 0.000
Br3 0.804 1.114 0.000
Cl4 -0.664 -1.137 1.469
Cl5 -0.664 -1.137 -1.469

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08421.92491.78141.7814
H21.08422.47942.34702.3470
Br31.92492.47943.06343.0634
Cl41.78142.34703.06342.9390
Cl51.78142.34703.06342.9390

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.662 H2 C1 Cl4 107.466
H2 C1 Cl5 107.466 Br3 C1 Cl4 111.429
Br3 C1 Cl5 111.429 Cl4 C1 Cl5 111.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 H 0.214      
3 Br 0.077      
4 Cl -0.070      
5 Cl -0.070      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.778 0.733 0.000 1.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.988 -0.424 0.000
y -0.424 -49.100 0.000
z 0.000 0.000 -49.613
Traceless
 xyz
x 2.369 -0.424 0.000
y -0.424 -0.800 0.000
z 0.000 0.000 -1.569
Polar
3z2-r2-3.139
x2-y22.113
xy-0.424
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.971 1.695 0.000
y 1.695 8.387 0.000
z 0.000 0.000 8.714


<r2> (average value of r2) Å2
<r2> 234.259
(<r2>)1/2 15.306