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All results from a given calculation for CHClBr2 (Methane, dibromochloro-)

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-5637.380489
Energy at 298.15K-5637.387634
HF Energy-5637.380489
Nuclear repulsion energy567.347254
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 HF/6-31G
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' 3435 3101 2.52      
2 A' 1336 1206 31.03      
3 A' 761 687 121.01      
4 A' 575 519 6.68      
5 A' 289 261 0.28      
6 A' 178 161 0.14      
7 A" 1291 1166 48.57      
8 A" 708 639 102.40      
9 A" 210 189 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 4390.7 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 3964.4 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 HF/6-31G
ABC
0.07929 0.04029 0.02726

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.244 0.603 0.000
H2 -1.143 1.180 0.000
Cl3 1.159 1.770 0.000
Br4 -0.244 -0.499 1.616
Br5 -0.244 -0.499 -1.616

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.06781.82461.95571.9557
H21.06782.37562.49732.4973
Cl31.82462.37563.11873.1187
Br41.95572.49733.11873.2314
Br51.95572.49733.11873.2314

picture of Methane, dibromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Cl3 107.539 H2 C1 Br4 107.722
H2 C1 Br5 107.722 Cl3 C1 Br4 111.124
Cl3 C1 Br5 111.124 Br4 C1 Br5 111.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.777      
2 H 0.329      
3 Cl 0.106      
4 Br 0.171      
5 Br 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.510 0.356 0.000 1.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.060 -2.361 0.000
y -2.361 -56.479 0.000
z 0.000 0.000 -56.501
Traceless
 xyz
x 0.430 -2.361 0.000
y -2.361 -0.199 0.000
z 0.000 0.000 -0.232
Polar
3z2-r2-0.463
x2-y20.419
xy-2.361
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.220 1.788 0.000
y 1.788 6.319 0.000
z 0.000 0.000 8.472


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000