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

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-151.114240
Energy at 298.15K-151.116715
HF Energy-151.114240
Nuclear repulsion energy61.854939
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 B3PW91/STO-3G
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' 3574 3163 0.64      
2 A' 3400 3009 12.07      
3 A' 3256 2881 15.44      
4 A' 1586 1404 2.20      
5 A' 1501 1329 1.79      
6 A' 1340 1186 8.49      
7 A' 1098 972 4.59      
8 A' 1033 914 0.66      
9 A' 489 433 4.38      
10 A" 955 845 1.59      
11 A" 745 660 25.06      
12 A" 482 427 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 9729.3 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 8610.4 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 B3PW91/STO-3G
ABC
2.17445 0.36085 0.30949

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.430 0.000
H2 0.254 1.520 0.000
C3 1.106 -0.463 0.000
O4 -1.247 0.040 0.000
H5 2.139 -0.092 0.000
H6 0.952 -1.550 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.11951.42141.30682.20142.1974
H21.11952.15882.10812.48053.1491
C31.42142.15882.40631.09741.0977
O41.30682.10812.40633.38842.7145
H52.20142.48051.09743.38841.8794
H62.19743.14911.09772.71451.8794

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 121.311 C1 C3 H6 120.912
H2 C1 C3 115.834 H2 C1 O4 120.455
C3 C1 O4 123.711 H5 C3 H6 117.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.022      
2 H 0.066      
3 C -0.131      
4 O -0.143      
5 H 0.091      
6 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.716 0.029 0.000 1.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.968 -0.159 0.000
y -0.159 -15.217 0.000
z 0.000 0.000 -16.308
Traceless
 xyz
x -1.205 -0.159 0.000
y -0.159 1.421 0.000
z 0.000 0.000 -0.216
Polar
3z2-r2-0.432
x2-y2-1.751
xy-0.159
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.044 -0.262 0.000
y -0.262 1.981 0.000
z 0.000 0.000 0.619


<r2> (average value of r2) Å2
<r2> 42.556
(<r2>)1/2 6.523