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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-2658.241564
Energy at 298.15K-2658.245376
HF Energy-2658.241564
Nuclear repulsion energy140.053510
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/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' 3086 2855 19.23      
2 A' 1763 1632 120.86      
3 A' 1353 1252 18.78      
4 A' 674 624 78.64      
5 A' 384 355 3.61      
6 A" 828 766 3.51      

Unscaled Zero Point Vibrational Energy (zpe) 4044.2 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 3741.7 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 BLYP/STO-3G
ABC
2.37846 0.12708 0.12064

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.385 -1.203 0.000
O2 -0.477 -2.114 0.000
H3 1.504 -1.375 0.000
Br4 0.000 0.729 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.25461.13181.9693
O21.25462.11422.8823
H31.13182.11422.5858
Br41.96932.88232.5858

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 124.660 O2 C1 Br4 125.306
H3 C1 Br4 110.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.024      
2 O -0.120      
3 H 0.093      
4 Br 0.002      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.140 -0.162 0.000 1.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.969 -2.061 0.000
y -2.061 -27.957 0.000
z 0.000 0.000 -26.020
Traceless
 xyz
x 1.020 -2.061 0.000
y -2.061 -1.963 0.000
z 0.000 0.000 0.943
Polar
3z2-r21.886
x2-y21.988
xy-2.061
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.317 -0.106 0.000
y -0.106 4.264 0.000
z 0.000 0.000 0.532


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