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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-2688.185957
Energy at 298.15K-2688.189898
HF Energy-2688.185957
Nuclear repulsion energy144.659366
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 wB97X-D/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' 3067 2932 19.74      
2 A' 1892 1809 463.73      
3 A' 1329 1271 60.96      
4 A' 664 635 175.60      
5 A' 375 358 9.34      
6 A" 911 871 3.45      

Unscaled Zero Point Vibrational Energy (zpe) 4119.0 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 3937.8 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 wB97X-D/cc-pVTZ
ABC
2.51517 0.13592 0.12895

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.373 -1.203 0.000
O2 -0.462 -2.026 0.000
H3 1.456 -1.367 0.000
Br4 0.000 0.708 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 Br4
C11.17241.09571.9470
O21.17242.02822.7728
H31.09572.02822.5351
Br41.94702.77282.5351

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 126.787 O2 C1 Br4 123.553
H3 C1 Br4 109.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 O -0.170      
3 H 0.098      
4 Br -0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.813 0.017 0.000 1.813
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.444 -3.491 0.000
y -3.491 -30.955 0.000
z 0.000 0.000 -29.123
Traceless
 xyz
x 1.595 -3.491 0.000
y -3.491 -2.172 0.000
z 0.000 0.000 0.577
Polar
3z2-r21.154
x2-y22.511
xy-3.491
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.129 -0.098 0.000
y -0.098 7.375 0.000
z 0.000 0.000 3.148


<r2> (average value of r2) Å2
<r2> 83.832
(<r2>)1/2 9.156