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All results from a given calculation for CBr3Cl (tribromochloromethane)

using model chemistry: PBEPBE/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 PBEPBE/3-21G*
 hartrees
Energy at 0K-8180.624746
Energy at 298.15K-8180.633054
HF Energy-8180.624746
Nuclear repulsion energy1119.464940
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 PBEPBE/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 645 615 160.35      
2 A1 321 307 0.28      
3 A1 201 191 0.11      
4 E 661 630 140.78      
4 E 661 630 140.77      
5 E 206 196 0.01      
5 E 206 196 0.01      
6 E 134 128 0.01      
6 E 134 128 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 1585.1 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 1511.4 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 PBEPBE/3-21G*
ABC
0.02879 0.02879 0.02111

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.300
Cl2 0.000 0.000 2.106
Br3 0.000 1.837 -0.358
Br4 1.591 -0.918 -0.358
Br5 -1.591 -0.918 -0.358

Atom - Atom Distances (Å)
  C1 Cl2 Br3 Br4 Br5
C11.80581.95101.95101.9510
Cl21.80583.07303.07303.0730
Br31.95103.07303.18123.1812
Br41.95103.07303.18123.1812
Br51.95103.07303.18123.1812

picture of tribromochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Br3 109.708 Cl2 C1 Br4 109.708
Cl2 C1 Br5 109.708 Br3 C1 Br4 109.234
Br3 C1 Br5 109.234 Br4 C1 Br5 109.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.384      
2 Cl 0.106      
3 Br 0.093      
4 Br 0.093      
5 Br 0.093      


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 -0.517 0.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -69.331 0.000 0.000
y 0.000 -69.331 0.000
z 0.000 0.000 -71.696
Traceless
 xyz
x 1.182 0.000 0.000
y 0.000 1.182 0.000
z 0.000 0.000 -2.365
Polar
3z2-r2-4.729
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 10.275 0.000 0.000
y 0.000 10.275 0.000
z 0.000 0.000 9.373


<r2> (average value of r2) Å2
<r2> 487.379
(<r2>)1/2 22.077