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

using model chemistry: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-5261.644678
Energy at 298.15K-5261.650405
HF Energy-5261.644678
Nuclear repulsion energy436.074358
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 BLYP/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 1831 1824 326.83      
2 A1 382 381 6.89      
3 A1 163 163 0.43      
4 B1 485 483 1.81      
5 B2 658 656 482.30      
6 B2 311 310 18.02      

Unscaled Zero Point Vibrational Energy (zpe) 1915.5 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 1908.1 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 BLYP/6-311G**
ABC
0.19953 0.03944 0.03293

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.806
O2 0.000 0.000 1.985
Br3 0.000 1.646 -0.296
Br4 0.000 -1.646 -0.296

Atom - Atom Distances (Å)
  C1 O2 Br3 Br4
C11.17961.98031.9803
O21.17962.81272.8127
Br31.98032.81273.2914
Br41.98032.81273.2914

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 123.794 O2 C1 Br4 123.794
Br3 C1 Br4 112.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.043      
2 O -0.139      
3 Br 0.048      
4 Br 0.048      


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 -0.956 0.956
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.958 0.000 0.000
y 0.000 -45.165 0.000
z 0.000 0.000 -49.624
Traceless
 xyz
x 0.437 0.000 0.000
y 0.000 3.127 0.000
z 0.000 0.000 -3.563
Polar
3z2-r2-7.126
x2-y2-1.793
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.502 0.000 0.000
y 0.000 11.302 0.000
z 0.000 0.000 6.802


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