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

using model chemistry: B3LYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-2688.199847
Energy at 298.15K-2688.203746
HF Energy-2688.199847
Nuclear repulsion energy143.379647
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/aug-cc-pVTZ
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' 3037 2938 12.69      
2 A' 1852 1791 466.07      
3 A' 1292 1250 54.96      
4 A' 633 612 168.31      
5 A' 352 340 13.29      
6 A" 911 882 4.58      

Unscaled Zero Point Vibrational Energy (zpe) 4038.2 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 3907.0 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 B3LYP/aug-cc-pVTZ
ABC
2.50978 0.13316 0.12645

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.374 -1.216 0.000
O2 -0.463 -2.043 0.000
H3 1.457 -1.374 0.000
Br4 0.000 0.715 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.17611.09501.9660
O21.17612.03302.7956
H31.09502.03302.5464
Br41.96602.79562.5464

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 127.021 O2 C1 Br4 123.717
H3 C1 Br4 109.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.003      
2 O -0.381      
3 H 0.377      
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
  1.783 0.021 0.000 1.783
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.852 -3.643 0.000
y -3.643 -31.478 0.000
z 0.000 0.000 -29.466
Traceless
 xyz
x 1.620 -3.643 0.000
y -3.643 -2.319 0.000
z 0.000 0.000 0.699
Polar
3z2-r21.397
x2-y22.626
xy-3.643
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.304 -0.049 0.000
y -0.049 8.360 0.000
z 0.000 0.000 4.427


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