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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-2688.179326
Energy at 298.15K-2688.183162
HF Energy-2688.179326
Nuclear repulsion energy140.994593
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/cc-pVTZ
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' 2963 2954 19.50      
2 A' 1793 1788 416.54      
3 A' 1240 1237 46.87      
4 A' 599 597 148.19      
5 A' 328 327 15.03      
6 A" 865 862 5.02      

Unscaled Zero Point Vibrational Energy (zpe) 3893.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 3882.0 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 BLYP/cc-pVTZ
ABC
2.47842 0.12827 0.12196

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.376 -1.243 0.000
O2 -0.465 -2.079 0.000
H3 1.467 -1.387 0.000
Br4 0.000 0.728 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.18591.10062.0071
O21.18592.05252.8458
H31.10062.05252.5743
Br42.00712.84582.5743

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 127.666 O2 C1 Br4 124.029
H3 C1 Br4 108.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.143      
2 O -0.139      
3 H 0.101      
4 Br -0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.719 -0.233 0.000 1.735
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.822 -3.342 0.000
y -3.342 -30.972 0.000
z 0.000 0.000 -29.479
Traceless
 xyz
x 1.404 -3.342 0.000
y -3.342 -1.821 0.000
z 0.000 0.000 0.417
Polar
3z2-r20.835
x2-y22.150
xy-3.342
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.267 -0.174 0.000
y -0.174 8.104 0.000
z 0.000 0.000 3.212


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