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

using model chemistry: CCD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-2686.184264
Energy at 298.15K-2686.188206
HF Energy-2685.703224
Nuclear repulsion energy143.931277
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 CCD/aug-cc-pVDZ
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' 3088 2979 15.16      
2 A' 1842 1777 409.87      
3 A' 1320 1273 67.54      
4 A' 664 641 164.58      
5 A' 375 361 7.26      
6 A" 917 885 3.97      

Unscaled Zero Point Vibrational Energy (zpe) 4103.1 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 3957.4 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 CCD/aug-cc-pVDZ
ABC
2.45715 0.13487 0.12785

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.379 -1.199 0.000
O2 -0.468 -2.033 0.000
H3 1.471 -1.374 0.000
Br4 0.000 0.710 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18861.10621.9458
O21.18862.04802.7826
H31.10622.04802.5502
Br41.94582.78262.5502

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 126.328 O2 C1 Br4 123.365
H3 C1 Br4 110.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability