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

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-2685.625506
Energy at 298.15K-2685.629399
HF Energy-2685.625506
Nuclear repulsion energy142.885341
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/6-31G**
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' 3063 2943 23.36      
2 A' 1882 1808 409.11      
3 A' 1312 1261 59.77      
4 A' 639 614 159.08      
5 A' 351 337 11.22      
6 A" 908 872 3.31      

Unscaled Zero Point Vibrational Energy (zpe) 4077.6 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 3917.7 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 B3LYP/6-31G**
ABC
2.48961 0.13226 0.12558

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.376 -1.217 0.000
O2 -0.465 -2.051 0.000
H3 1.463 -1.370 0.000
Br4 0.000 0.717 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18391.09851.9699
O21.18392.04492.8067
H31.09852.04492.5485
Br41.96992.80672.5485

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 127.215 O2 C1 Br4 123.810
H3 C1 Br4 108.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.261      
2 O -0.295      
3 H 0.159      
4 Br -0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.782 -0.076 0.000 1.784
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.198 -3.421 0.000
y -3.421 -30.455 0.000
z 0.000 0.000 -28.865
Traceless
 xyz
x 1.462 -3.421 0.000
y -3.421 -1.923 0.000
z 0.000 0.000 0.461
Polar
3z2-r20.923
x2-y22.257
xy-3.421
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.738 -0.120 0.000
y -0.120 6.907 0.000
z 0.000 0.000 2.632


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