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

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-2687.566354
Energy at 298.15K-2687.570212
HF Energy-2687.566354
Nuclear repulsion energy142.064628
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 PBEPBE/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' 2970 2939 29.16      
2 A' 1828 1809 421.53      
3 A' 1264 1250 49.01      
4 A' 618 612 151.12      
5 A' 342 338 13.98      
6 A" 866 857 5.99      

Unscaled Zero Point Vibrational Energy (zpe) 3943.2 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 3902.1 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 PBEPBE/6-311G*
ABC
2.48386 0.13054 0.12403

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.375 -1.227 0.000
O2 -0.465 -2.064 0.000
H3 1.470 -1.382 0.000
Br4 0.000 0.722 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18541.10621.9839
O21.18542.05112.8238
H31.10622.05112.5664
Br41.98392.82382.5664

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 126.996 O2 C1 Br4 124.033
H3 C1 Br4 108.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.035      
2 O -0.159      
3 H 0.244      
4 Br -0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.735 -0.230 0.000 1.750
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.561 -3.249 0.000
y -3.249 -30.522 0.000
z 0.000 0.000 -29.332
Traceless
 xyz
x 1.366 -3.249 0.000
y -3.249 -1.576 0.000
z 0.000 0.000 0.210
Polar
3z2-r20.420
x2-y21.961
xy-3.249
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.542 -0.185 0.000
y -0.185 7.474 0.000
z 0.000 0.000 2.368


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000