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

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-2683.205944
Energy at 298.15K-2683.209953
HF Energy-2683.205944
Nuclear repulsion energy145.945002
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/6-31+G**
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' 3272 2958 15.76      
2 A' 2027 1833 583.27      
3 A' 1446 1307 107.45      
4 A' 703 636 212.59      
5 A' 401 363 7.15      
6 A" 1030 931 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 4439.2 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 4013.9 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/6-31+G**
ABC
2.54548 0.13850 0.13135

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.372 -1.189 0.000
O2 -0.459 -2.003 0.000
H3 1.442 -1.364 0.000
Br4 0.000 0.701 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.16361.08431.9262
O21.16362.00632.7424
H31.08432.00632.5185
Br41.92622.74242.5185

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 126.350 O2 C1 Br4 123.235
H3 C1 Br4 110.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.337      
2 O -0.330      
3 H 0.175      
4 Br -0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.170 0.196 0.000 2.179
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.932 -4.217 0.000
y -4.217 -32.225 0.000
z 0.000 0.000 -29.614
Traceless
 xyz
x 1.987 -4.217 0.000
y -4.217 -2.952 0.000
z 0.000 0.000 0.965
Polar
3z2-r21.929
x2-y23.293
xy-4.217
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.115 0.030 0.000
y 0.030 6.823 0.000
z 0.000 0.000 3.154


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