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

using model chemistry: CISD/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 CISD/6-311G*
 hartrees
Energy at 0K-2686.111916
Energy at 298.15K-2686.115885
HF Energy-2685.696061
Nuclear repulsion energy144.781541
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 CISD/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' 3155 2920 29.42      
2 A' 1930 1786 465.28      
3 A' 1391 1288 91.59      
4 A' 683 632 180.04      
5 A' 385 357 9.83      
6 A" 960 888 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 4252.2 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 3934.6 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 CISD/6-311G*
ABC
2.51819 0.13618 0.12919

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.374 -1.199 0.000
O2 -0.462 -2.021 0.000
H3 1.453 -1.372 0.000
Br4 0.000 0.707 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.17201.09291.9416
O21.17202.02132.7659
H31.09292.02132.5363
Br41.94162.76592.5363

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 126.329 O2 C1 Br4 123.426
H3 C1 Br4 110.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability