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

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-2685.696706
Energy at 298.15K-2685.700716
HF Energy-2685.696706
Nuclear repulsion energy145.705314
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 HF/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' 3261 2949 31.54      
2 A' 2032 1838 592.21      
3 A' 1451 1313 130.64      
4 A' 706 639 206.98      
5 A' 400 362 9.80      
6 A" 1025 927 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 4438.3 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 4014.0 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 HF/6-311G*
ABC
2.55739 0.13786 0.13081

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.370 -1.198 0.000
O2 -0.458 -2.004 0.000
H3 1.441 -1.374 0.000
Br4 0.000 0.703 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.15551.08481.9368
O21.15552.00042.7451
H31.08482.00042.5280
Br41.93682.74512.5280

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 126.457 O2 C1 Br4 123.174
H3 C1 Br4 110.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.134      
2 O -0.294      
3 H 0.251      
4 Br -0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.121 -0.005 0.000 2.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.729 -3.925 0.000
y -3.925 -31.625 0.000
z 0.000 0.000 -29.426
Traceless
 xyz
x 1.797 -3.925 0.000
y -3.925 -2.547 0.000
z 0.000 0.000 0.750
Polar
3z2-r21.501
x2-y22.896
xy-3.925
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.308 -0.099 0.000
y -0.099 6.337 0.000
z 0.000 0.000 2.236


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