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

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-2685.613069
Energy at 298.15K-2685.616901
HF Energy-2685.613069
Nuclear repulsion energy140.697955
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 BLYP/6-31G*
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' 2987 2963 27.61      
2 A' 1808 1794 371.20      
3 A' 1264 1254 49.64      
4 A' 609 604 139.67      
5 A' 331 329 11.28      
6 A" 858 851 4.62      

Unscaled Zero Point Vibrational Energy (zpe) 3929.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 3897.2 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 BLYP/6-31G*
ABC
2.45665 0.12784 0.12152

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.376 -1.237 0.000
O2 -0.466 -2.083 0.000
H3 1.472 -1.395 0.000
Br4 0.000 0.728 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.19321.10742.0003
O21.19322.05582.8490
H31.10742.05582.5835
Br42.00032.84902.5835

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 126.610 O2 C1 Br4 124.327
H3 C1 Br4 109.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.189      
2 O -0.258      
3 H 0.184      
4 Br -0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.689 -0.194 0.000 1.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.232 -3.270 0.000
y -3.270 -30.186 0.000
z 0.000 0.000 -28.899
Traceless
 xyz
x 1.310 -3.270 0.000
y -3.270 -1.621 0.000
z 0.000 0.000 0.310
Polar
3z2-r20.621
x2-y21.954
xy-3.270
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.794 -0.143 0.000
y -0.143 7.279 0.000
z 0.000 0.000 2.649


<r2> (average value of r2) Å2
<r2> 87.514
(<r2>)1/2 9.355