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

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-2686.223350
Energy at 298.15K-2686.227261
HF Energy-2685.702027
Nuclear repulsion energy143.201280
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(T)=FULL/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' 3065 2977        
2 A' 1774 1723        
3 A' 1288 1251        
4 A' 647 628        
5 A' 363 352        
6 A" 891 866        

Unscaled Zero Point Vibrational Energy (zpe) 4013.8 cm-1
Scaled (by 0.9712) Zero Point Vibrational Energy (zpe) 3898.2 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(T)=FULL/aug-cc-pVDZ
ABC
2.44108 0.13341 0.12650

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.381 -1.203 0.000
O2 -0.470 -2.046 0.000
H3 1.474 -1.376 0.000
Br4 0.000 0.713 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.19731.10691.9538
O21.19732.05602.7990
H31.10692.05602.5565
Br41.95382.79902.5565

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 126.277 O2 C1 Br4 123.524
H3 C1 Br4 110.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability