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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-2685.680552
Energy at 298.15K-2685.684470
HF Energy-2685.680552
Nuclear repulsion energy145.025927
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 TPSSh/6-31G(2df,p)
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' 3045 2939 22.61      
2 A' 1841 1777 364.18      
3 A' 1314 1268 43.71      
4 A' 655 632 154.90      
5 A' 362 349 7.64      
6 A" 918 886 3.70      

Unscaled Zero Point Vibrational Energy (zpe) 4068.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 3925.6 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 TPSSh/6-31G(2df,p)
ABC
2.50553 0.13679 0.12971

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.374 -1.194 0.000
O2 -0.463 -2.025 0.000
H3 1.461 -1.349 0.000
Br4 0.000 0.706 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18031.09811.9364
O21.18032.04002.7705
H31.09812.04002.5217
Br41.93642.77052.5217

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 127.076 O2 C1 Br4 123.656
H3 C1 Br4 109.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability