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

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-5264.347488
Energy at 298.15K-5264.353284
HF Energy-5264.347488
Nuclear repulsion energy442.412151
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 B97D3/cc-pVTZ
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 1838 1813 318.39      
2 A1 399 394 6.40      
3 A1 170 168 0.45      
4 B1 502 495 1.65      
5 B2 678 668 468.97      
6 B2 323 319 12.96      

Unscaled Zero Point Vibrational Energy (zpe) 1955.6 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 1928.3 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 B97D3/cc-pVTZ
ABC
0.20293 0.04079 0.03396

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.794
O2 0.000 0.000 1.970
Br3 0.000 1.618 -0.293
Br4 0.000 -1.618 -0.293

Atom - Atom Distances (Å)
  C1 O2 Br3 Br4
C11.17651.94931.9493
O21.17652.78242.7824
Br31.94932.78243.2363
Br41.94932.78243.2363

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 123.889 O2 C1 Br4 123.889
Br3 C1 Br4 112.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.094      
2 O -0.105      
3 Br 0.006      
4 Br 0.006      


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 -1.001 1.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.259 0.000 0.000
y 0.000 -44.587 0.000
z 0.000 0.000 -49.277
Traceless
 xyz
x 0.673 0.000 0.000
y 0.000 3.180 0.000
z 0.000 0.000 -3.853
Polar
3z2-r2-7.707
x2-y2-1.672
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.705 0.000 0.000
y 0.000 11.690 0.000
z 0.000 0.000 7.612


<r2> (average value of r2) Å2
<r2> 253.318
(<r2>)1/2 15.916