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

using model chemistry: LSDA/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-5250.904883
Energy at 298.15K-5250.910857
HF Energy-5250.904883
Nuclear repulsion energy458.015450
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 LSDA/6-31G(2df,p)
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 1881 1851 263.65      
2 A1 460 453 4.56      
3 A1 190 187 0.24      
4 B1 534 526 1.02      
5 B2 784 771 410.32      
6 B2 354 348 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 2101.3 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 2067.7 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 LSDA/6-31G(2df,p)
ABC
0.21043 0.04430 0.03660

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

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 1.941
Br3 0.000 1.553 -0.287
Br4 0.000 -1.553 -0.287

Atom - Atom Distances (Å)
  C1 O2 Br3 Br4
C11.17951.87371.8737
O21.17952.71592.7159
Br31.87372.71593.1053
Br41.87372.71593.1053

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 124.041 O2 C1 Br4 124.041
Br3 C1 Br4 111.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 O -0.119      
3 Br 0.080      
4 Br 0.080      


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 -1.155 1.155
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.526 0.000 0.000
y 0.000 -43.674 0.000
z 0.000 0.000 -48.958
Traceless
 xyz
x 0.790 0.000 0.000
y 0.000 3.568 0.000
z 0.000 0.000 -4.359
Polar
3z2-r2-8.717
x2-y2-1.852
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.294 0.000 0.000
y 0.000 10.845 0.000
z 0.000 0.000 7.595


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