return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CHO (Vinyloxy radical)

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 2A"
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-153.123123
Energy at 298.15K-153.125703
HF Energy-153.123123
Nuclear repulsion energy62.873004
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' 3194 3168 7.94      
2 A' 3086 3061 4.15      
3 A' 2839 2816 116.38      
4 A' 1521 1509 34.14      
5 A' 1456 1444 6.84      
6 A' 1374 1363 9.95      
7 A' 1137 1128 16.17      
8 A' 955 947 3.54      
9 A' 491 487 11.07      
10 A" 942 935 1.38      
11 A" 720 714 31.82      
12 A" 423 420 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9069.4 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 8995.9 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 BLYP/6-31G*
ABC
2.20325 0.37339 0.31928

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 0.000 0.447 0.000
H2 0.125 1.531 0.000
C3 1.095 -0.409 0.000
O4 -1.218 -0.032 0.000
H5 2.111 -0.022 0.000
H6 0.938 -1.484 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.09091.39051.30892.16302.1473
H21.09092.16932.06082.52133.1228
C31.39052.16932.34381.08761.0862
O41.30892.06082.34383.32952.5996
H52.16302.52131.08763.32951.8748
H62.14733.12281.08622.59961.8748

picture of Vinyloxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 121.102 C1 C3 H6 119.719
H2 C1 C3 121.442 H2 C1 O4 118.069
C3 C1 O4 120.489 H5 C3 H6 119.179
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 0.220      
2 H 0.089      
3 C -0.253      
4 O -0.366      
5 H 0.147      
6 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.687 -0.083 0.000 2.688
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.924 -0.161 0.000
y -0.161 -16.315 0.000
z 0.000 0.000 -17.917
Traceless
 xyz
x -1.808 -0.161 0.000
y -0.161 2.106 0.000
z 0.000 0.000 -0.298
Polar
3z2-r2-0.597
x2-y2-2.609
xy-0.161
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.984 -0.368 0.000
y -0.368 3.838 0.000
z 0.000 0.000 1.591


<r2> (average value of r2) Å2
<r2> 42.616
(<r2>)1/2 6.528