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All results from a given calculation for COBr2 (Carbonic dibromide)

using model chemistry: ROHF/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at ROHF/cc-pVQZ
 hartrees
Energy at 0K-5257.698642
Energy at 298.15K-5257.704723
HF Energy-5257.698642
Nuclear repulsion energy450.355702
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 ROHF/cc-pVQZ
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 2050 2050 453.37      
2 A1 464 464 5.15      
3 A1 194 194 0.29      
4 B1 579 579 6.44      
5 B2 843 843 523.46      
6 B2 395 395 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 2262.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2262.2 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 ROHF/cc-pVQZ
ABC
0.21673 0.04176 0.03501

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.762
O2 0.000 0.000 1.909
Br3 0.000 1.599 -0.283
Br4 0.000 -1.599 -0.283

Atom - Atom Distances (Å)
  C1 O2 Br3 Br4
C11.14701.91051.9105
O21.14702.71362.7136
Br31.91052.71363.1985
Br41.91052.71363.1985

picture of Carbonic dibromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 Br3 123.167 O2 C1 Br4 123.167
Br3 C1 Br4 113.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.247      
2 O -0.247      
3 Br 0.000      
4 Br 0.000      


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 -1.310 1.310
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.844 0.000 0.000
y 0.000 -45.038 0.000
z 0.000 0.000 -50.943
Traceless
 xyz
x 1.146 0.000 0.000
y 0.000 3.856 0.000
z 0.000 0.000 -5.002
Polar
3z2-r2-10.004
x2-y2-1.806
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000