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All results from a given calculation for CBr3Cl (tribromochloromethane)

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 C3V 1A1
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-8175.060617
Energy at 298.15K-8175.069225
HF Energy-8175.060617
Nuclear repulsion energy1101.908787
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 A1 752 681 112.48      
2 A1 328 297 0.25      
3 A1 223 202 0.01      
4 E 777 703 79.07      
4 E 777 703 79.07      
5 E 225 203 0.51      
5 E 225 203 0.51      
6 E 150 136 0.01      
6 E 150 136 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 1802.1 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 1632.0 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
0.02794 0.02794 0.02033

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.259
Cl2 0.000 0.000 2.123
Br3 0.000 1.872 -0.359
Br4 1.621 -0.936 -0.359
Br5 -1.621 -0.936 -0.359

Atom - Atom Distances (Å)
  C1 Cl2 Br3 Br4 Br5
C11.86431.97081.97081.9708
Cl21.86433.10853.10853.1085
Br31.97083.10853.24163.2416
Br41.97083.10853.24163.2416
Br51.97083.10853.24163.2416

picture of tribromochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Br3 108.264 Cl2 C1 Br4 108.264
Cl2 C1 Br5 108.264 Br3 C1 Br4 110.651
Br3 C1 Br5 110.651 Br4 C1 Br5 110.651
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 -0.919      
2 Cl 0.126      
3 Br 0.264      
4 Br 0.264      
5 Br 0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.063 1.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -71.832 0.000 0.000
y 0.000 -71.832 0.000
z 0.000 0.000 -75.699
Traceless
 xyz
x 1.933 0.000 0.000
y 0.000 1.933 0.000
z 0.000 0.000 -3.867
Polar
3z2-r2-7.734
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.552 0.000 0.000
y 0.000 8.552 0.000
z 0.000 0.000 7.460


<r2> (average value of r2) Å2
<r2> 504.002
(<r2>)1/2 22.450