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

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-2683.628227
Energy at 298.15K-2683.632147
HF Energy-2683.185979
Nuclear repulsion energy143.112088
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 QCISD/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' 3150 2965 28.33      
2 A' 1851 1742 355.34      
3 A' 1359 1280 72.63      
4 A' 656 617 160.75      
5 A' 363 342 8.96      
6 A" 923 869 2.21      

Unscaled Zero Point Vibrational Energy (zpe) 4150.8 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 3907.5 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 QCISD/6-31G**
ABC
2.46284 0.13299 0.12618

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.380 -1.209 0.000
O2 -0.468 -2.048 0.000
H3 1.461 -1.371 0.000
Br4 0.000 0.715 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.19231.09241.9611
O21.19232.04342.8014
H31.09242.04342.5465
Br41.96112.80142.5465

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 126.804 O2 C1 Br4 123.483
H3 C1 Br4 109.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability