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 CBr3Cl (tribromochloromethane)

using model chemistry: PBE1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-311G*
 hartrees
Energy at 0K-8219.553769
Energy at 298.15K-8219.562265
HF Energy-8219.553769
Nuclear repulsion energy1126.626074
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 PBE1PBE/6-311G*
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 753 722 157.18      
2 A1 339 325 0.03      
3 A1 215 206 0.22      
4 E 680 652 138.16      
4 E 680 652 138.09      
5 E 222 212 0.32      
5 E 222 212 0.32      
6 E 144 138 0.01      
6 E 144 138 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 1699.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 1628.4 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 PBE1PBE/6-311G*
ABC
0.02925 0.02925 0.02123

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.301
Cl2 0.000 0.000 2.065
Br3 0.000 1.832 -0.352
Br4 1.586 -0.916 -0.352
Br5 -1.586 -0.916 -0.352

Atom - Atom Distances (Å)
  C1 Cl2 Br3 Br4 Br5
C11.76361.94441.94441.9444
Cl21.76363.03213.03213.0321
Br31.94443.03213.17233.1723
Br41.94443.03213.17233.1723
Br51.94443.03213.17233.1723

picture of tribromochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Br3 109.619 Cl2 C1 Br4 109.619
Cl2 C1 Br5 109.619 Br3 C1 Br4 109.323
Br3 C1 Br5 109.323 Br4 C1 Br5 109.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.525      
2 Cl 0.109      
3 Br 0.139      
4 Br 0.139      
5 Br 0.139      


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 -0.195 0.195
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -71.172 0.000 0.000
y 0.000 -71.172 0.000
z 0.000 0.000 -72.540
Traceless
 xyz
x 0.684 0.000 0.000
y 0.000 0.684 0.000
z 0.000 0.000 -1.368
Polar
3z2-r2-2.736
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 10.590 0.000 0.000
y 0.000 10.590 0.000
z 0.000 0.000 9.452


<r2> (average value of r2) Å2
<r2> 482.962
(<r2>)1/2 21.976