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/6-311G**

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/6-311G**
 hartrees
Energy at 0K-153.171643
Energy at 298.15K-153.174232
HF Energy-153.171643
Nuclear repulsion energy63.076480
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/6-311G**
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' 3170 3157 7.50      
2 A' 3057 3045 4.40      
3 A' 2819 2808 123.06      
4 A' 1496 1490 41.45      
5 A' 1431 1426 11.03      
6 A' 1354 1349 13.22      
7 A' 1122 1118 17.50      
8 A' 948 944 3.80      
9 A' 492 490 11.84      
10 A" 944 940 1.07      
11 A" 725 722 32.89      
12 A" 414 413 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 8985.3 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 8950.3 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/6-311G**
ABC
2.21747 0.37568 0.32126

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.430 0.000
H2 0.299 1.505 0.000
C3 1.067 -0.526 0.000
O4 -1.204 0.109 0.000
H5 2.111 -0.212 0.000
H6 0.826 -1.589 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.11611.43181.24642.20652.1812
H21.11612.17092.05162.49643.1387
C31.43182.17092.35791.09081.0904
O41.24642.05162.35793.33112.6467
H52.20652.49641.09083.33111.8839
H62.18123.13871.09042.64671.8839

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 121.431 C1 C3 H6 119.100
H2 C1 C3 116.318 H2 C1 O4 120.447
C3 C1 O4 123.235 H5 C3 H6 119.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.105      
2 H 0.065      
3 C -0.167      
4 O -0.254      
5 H 0.119      
6 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.717 -0.039 0.000 2.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.355 -0.104 0.000
y -0.104 -16.635 0.000
z 0.000 0.000 -18.329
Traceless
 xyz
x -1.873 -0.104 0.000
y -0.104 2.207 0.000
z 0.000 0.000 -0.334
Polar
3z2-r2-0.667
x2-y2-2.720
xy-0.104
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.267 -0.401 0.000
y -0.401 4.177 0.000
z 0.000 0.000 2.006


<r2> (average value of r2) Å2
<r2> 42.663
(<r2>)1/2 6.532