return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-2683.567276
Energy at 298.15K-2683.571231
HF Energy-2683.185550
Nuclear repulsion energy144.414219
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 CID/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' 3195 2952 23.04      
2 A' 1941 1793 419.09      
3 A' 1390 1284 85.97      
4 A' 679 628 173.97      
5 A' 379 351 8.27      
6 A" 960 887 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 4272.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 3946.5 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 CID/6-31G*
ABC
2.49015 0.13561 0.12861

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.377 -1.199 0.000
O2 -0.465 -2.026 0.000
H3 1.456 -1.369 0.000
Br4 0.000 0.708 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18021.09211.9439
O21.18022.03032.7732
H31.09212.03032.5362
Br41.94392.77322.5362

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 126.581 O2 C1 Br4 123.298
H3 C1 Br4 110.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability