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All results from a given calculation for CHBrCl2 (Methane, bromodichloro-)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-3513.280660
Energy at 298.15K 
HF Energy-3513.280660
Nuclear repulsion energy394.587939
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/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' 3388 3058 1.64 69.08 0.30 0.47
2 A' 1344 1213 31.41 7.85 0.70 0.83
3 A' 787 711 104.19 14.01 0.73 0.84
4 A' 647 584 5.53 15.82 0.02 0.04
5 A' 349 315 0.26 9.31 0.24 0.38
6 A' 242 218 0.37 5.01 0.59 0.74
7 A" 1383 1248 18.64 8.25 0.75 0.86
8 A" 793 716 124.70 14.20 0.75 0.86
9 A" 234 211 0.08 4.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4583.9 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 4137.5 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/3-21G*
ABC
0.10807 0.06081 0.04001

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.677 -0.121 0.000
H2 -1.572 0.464 0.000
Br3 0.818 1.102 0.000
Cl4 -0.677 -1.127 1.465
Cl5 -0.677 -1.127 -1.465

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.06961.93161.77691.7769
H21.06962.47422.34062.3406
Br31.93162.47423.05753.0575
Cl41.77692.34063.05752.9295
Cl51.77692.34063.05752.9295

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 107.558 H2 C1 Cl4 108.039
H2 C1 Cl5 108.039 Br3 C1 Cl4 111.001
Br3 C1 Cl5 111.001 Cl4 C1 Cl5 111.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.468      
2 H 0.343      
3 Br 0.037      
4 Cl 0.044      
5 Cl 0.044      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.817 1.073 0.000 1.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.693 -0.422 0.000
y -0.422 -50.256 0.000
z 0.000 0.000 -51.299
Traceless
 xyz
x 3.085 -0.422 0.000
y -0.422 -0.760 0.000
z 0.000 0.000 -2.324
Polar
3z2-r2-4.649
x2-y22.563
xy-0.422
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.243 1.630 0.000
y 1.630 6.495 0.000
z 0.000 0.000 6.914


<r2> (average value of r2) Å2
<r2> 234.229
(<r2>)1/2 15.305