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All results from a given calculation for COHBr (Formyl bromide)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-2687.568029
Energy at 298.15K-2687.571890
HF Energy-2687.568029
Nuclear repulsion energy142.053530
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 PBEPBE/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 A' 2970 2943 23.71      
2 A' 1823 1806 417.13      
3 A' 1242 1231 47.62      
4 A' 617 611 152.77      
5 A' 341 337 14.18      
6 A" 870 862 6.05      

Unscaled Zero Point Vibrational Energy (zpe) 3931.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3895.4 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 PBEPBE/6-311G**
ABC
2.47253 0.13061 0.12405

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.376 -1.228 0.000
O2 -0.466 -2.063 0.000
H3 1.472 -1.374 0.000
Br4 0.000 0.721 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18571.10561.9852
O21.18572.05672.8230
H31.10562.05672.5602
Br41.98522.82302.5602

picture of Formyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 H3 127.664 O2 C1 Br4 123.853
H3 C1 Br4 108.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.057      
2 O -0.159      
3 H 0.163      
4 Br -0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.742 -0.247 0.000 1.760
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.558 -3.236 0.000
y -3.236 -30.533 0.000
z 0.000 0.000 -29.303
Traceless
 xyz
x 1.360 -3.236 0.000
y -3.236 -1.602 0.000
z 0.000 0.000 0.242
Polar
3z2-r20.484
x2-y21.975
xy-3.236
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.560 -0.187 0.000
y -0.187 7.492 0.000
z 0.000 0.000 2.387


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