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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-2685.808714
Energy at 298.15K-2685.812724
HF Energy-2685.808714
Nuclear repulsion energy145.959313
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/daug-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' 3221 2914 14.55      
2 A' 2010 1818 562.59      
3 A' 1425 1289 100.92      
4 A' 705 638 201.22      
5 A' 401 363 7.42      
6 A" 1030 932 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 4396.3 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 3976.9 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/daug-cc-pVTZ
ABC
2.55729 0.13843 0.13132

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.371 -1.195 0.000
O2 -0.458 -2.001 0.000
H3 1.441 -1.369 0.000
Br4 0.000 0.701 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.15601.08431.9317
O21.15602.00112.7403
H31.08432.00112.5223
Br41.93172.74032.5223

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 126.530 O2 C1 Br4 123.147
H3 C1 Br4 110.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.121      
2 O -0.868      
3 H 0.963      
4 Br 0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.016 0.134 0.000 2.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.734 -4.003 0.000
y -4.003 -31.901 0.000
z 0.000 0.000 -29.444
Traceless
 xyz
x 1.939 -4.003 0.000
y -4.003 -2.812 0.000
z 0.000 0.000 0.873
Polar
3z2-r21.747
x2-y23.167
xy-4.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.925 -0.015 0.000
y -0.015 7.337 0.000
z 0.000 0.000 4.170


<r2> (average value of r2) Å2
<r2> 82.996
(<r2>)1/2 9.110