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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-2658.787954
Energy at 298.15K-2658.791860
HF Energy-2658.787954
Nuclear repulsion energy143.176685
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 B1B95/STO-3G
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' 3261 2879 10.88      
2 A' 1894 1672 139.00      
3 A' 1423 1257 29.47      
4 A' 739 652 89.38      
5 A' 420 371 3.36      
6 A" 893 789 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 4314.9 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 3810.0 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 B1B95/STO-3G
ABC
2.43725 0.13325 0.12635

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.381 -1.173 0.000
O2 -0.471 -2.064 0.000
H3 1.485 -1.354 0.000
Br4 0.000 0.712 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.23301.11951.9225
O21.23302.08142.8157
H31.11952.08142.5444
Br41.92252.81572.5444

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 124.369 O2 C1 Br4 124.887
H3 C1 Br4 110.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.041      
2 O -0.138      
3 H 0.103      
4 Br -0.007      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.262 -0.237 0.000 1.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.959 -2.201 0.000
y -2.201 -28.351 0.000
z 0.000 0.000 -26.024
Traceless
 xyz
x 1.228 -2.201 0.000
y -2.201 -2.359 0.000
z 0.000 0.000 1.131
Polar
3z2-r22.262
x2-y22.391
xy-2.201
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.281 -0.067 0.000
y -0.067 3.880 0.000
z 0.000 0.000 0.498


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