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

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-5261.648180
Energy at 298.15K-5261.654030
HF Energy-5261.648180
Nuclear repulsion energy442.395482
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 B3LYP/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 1906 1842 373.23      
2 A1 412 398 7.28      
3 A1 175 169 0.36      
4 B1 513 496 3.10      
5 B2 720 695 517.16      
6 B2 340 328 9.10      

Unscaled Zero Point Vibrational Energy (zpe) 2032.8 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1964.3 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 B3LYP/6-311G*
ABC
0.20575 0.04056 0.03388

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.788
O2 0.000 0.000 1.957
Br3 0.000 1.623 -0.291
Br4 0.000 -1.623 -0.291

Atom - Atom Distances (Å)
  C1 O2 Br3 Br4
C11.16861.94891.9489
O21.16862.77252.7725
Br31.94892.77253.2455
Br41.94892.77253.2455

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 123.629 O2 C1 Br4 123.629
Br3 C1 Br4 112.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.073      
2 O -0.170      
3 Br 0.049      
4 Br 0.049      


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 -1.080 1.080
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.796 0.000 0.000
y 0.000 -45.006 0.000
z 0.000 0.000 -49.806
Traceless
 xyz
x 0.610 0.000 0.000
y 0.000 3.295 0.000
z 0.000 0.000 -3.905
Polar
3z2-r2-7.810
x2-y2-1.790
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.453 0.000 0.000
y 0.000 10.601 0.000
z 0.000 0.000 6.561


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