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

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-2688.097777
Energy at 298.15K-2688.101671
HF Energy-2688.097777
Nuclear repulsion energy142.855952
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 B3LYP/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' 3049 2958 11.58      
2 A' 1843 1788 461.10      
3 A' 1276 1238 51.41      
4 A' 632 613 169.43      
5 A' 350 339 12.71      
6 A" 905 878 5.06      

Unscaled Zero Point Vibrational Energy (zpe) 4026.7 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 3907.5 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 B3LYP/aug-cc-pVDZ
ABC
2.47296 0.13236 0.12563

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.376 -1.219 0.000
O2 -0.466 -2.049 0.000
H3 1.469 -1.378 0.000
Br4 0.000 0.717 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18291.10381.9715
O21.18292.04782.8046
H31.10382.04782.5581
Br41.97152.80462.5581

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 127.119 O2 C1 Br4 123.580
H3 C1 Br4 109.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.308      
2 O -0.286      
3 H -0.180      
4 Br 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.819 -0.007 0.000 1.819
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.896 -3.711 0.000
y -3.711 -31.501 0.000
z 0.000 0.000 -29.546
Traceless
 xyz
x 1.627 -3.711 0.000
y -3.711 -2.280 0.000
z 0.000 0.000 0.653
Polar
3z2-r21.306
x2-y22.604
xy-3.711
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.070 -0.077 0.000
y -0.077 8.286 0.000
z 0.000 0.000 4.165


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