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

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-2686.429699
Energy at 298.15K-2686.433656
HF Energy-2685.804993
Nuclear repulsion energy144.896164
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 CCSD/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' 3089 2907 21.90      
2 A' 1859 1750 393.98      
3 A' 1344 1265 66.99      
4 A' 672 632 161.54      
5 A' 381 358 6.87      
6 A" 939 883 2.92      

Unscaled Zero Point Vibrational Energy (zpe) 4141.1 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 3897.6 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 CCSD/cc-pVTZ
ABC
2.51269 0.13646 0.12943

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.375 -1.191 0.000
O2 -0.463 -2.022 0.000
H3 1.454 -1.361 0.000
Br4 0.000 0.705 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18021.09271.9328
O21.18022.02772.7667
H31.09272.02772.5267
Br41.93282.76672.5267

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 126.238 O2 C1 Br4 123.620
H3 C1 Br4 110.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability