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: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-8219.296103
Energy at 298.15K-8219.304439
HF Energy-8219.296103
Nuclear repulsion energy1114.549381
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 PBEPBEultrafine/aug-cc-pVDZ
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 697 692 137.94      
2 A1 323 321 0.04      
3 A1 204 203 0.45      
4 E 624 620 138.07      
4 E 624 620 138.06      
5 E 209 208 0.67      
5 E 209 208 0.67      
6 E 136 135 0.03      
6 E 136 135 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 1579.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1570.1 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.02863 0.02863 0.02077

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.304
Cl2 0.000 0.000 2.087
Br3 0.000 1.851 -0.355
Br4 1.603 -0.926 -0.355
Br5 -1.603 -0.926 -0.355

Atom - Atom Distances (Å)
  C1 Cl2 Br3 Br4 Br5
C11.78311.96531.96531.9653
Cl21.78313.06503.06503.0650
Br31.96533.06503.20663.2066
Br41.96533.06503.20663.2066
Br51.96533.06503.20663.2066

picture of tribromochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Br3 109.609 Cl2 C1 Br4 109.609
Cl2 C1 Br5 109.609 Br3 C1 Br4 109.333
Br3 C1 Br5 109.333 Br4 C1 Br5 109.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.393      
2 Cl 0.207      
3 Br 0.395      
4 Br 0.395      
5 Br 0.395      


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 -0.050 0.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -71.414 0.000 0.000
y 0.000 -71.414 0.000
z 0.000 0.000 -72.214
Traceless
 xyz
x 0.400 0.000 0.000
y 0.000 0.400 0.000
z 0.000 0.000 -0.800
Polar
3z2-r2-1.600
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 14.557 0.000 0.000
y 0.000 14.558 0.000
z 0.000 0.000 13.125


<r2> (average value of r2) Å2
<r2> 492.545
(<r2>)1/2 22.193