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

using model chemistry: MP2=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-2686.588065
Energy at 298.15K-2686.591996
HF Energy-2685.696462
Nuclear repulsion energy143.758808
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 MP2=FULL/6-311G**
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' 3107 2948 29.95      
2 A' 1822 1728 378.90      
3 A' 1345 1276 79.03      
4 A' 657 623 182.89      
5 A' 366 347 17.43      
6 A" 929 882 3.34      

Unscaled Zero Point Vibrational Energy (zpe) 4112.7 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 3901.3 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 MP2=FULL/6-311G**
ABC
2.49040 0.13415 0.12729

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.376 -1.204 0.000
O2 -0.465 -2.039 0.000
H3 1.462 -1.357 0.000
Br4 0.000 0.711 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18481.09671.9522
O21.18482.04392.7894
H31.09672.04392.5330
Br41.95222.78942.5330

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 127.196 O2 C1 Br4 123.687
H3 C1 Br4 109.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability