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: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-153.077783
Energy at 298.15K-153.080366
HF Energy-153.077783
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3225 3162 8.52      
2 A' 3112 3051 4.70      
3 A' 2860 2804 126.89      
4 A' 1556 1526 42.60      
5 A' 1465 1436 7.56      
6 A' 1386 1359 8.50      
7 A' 1150 1128 18.30      
8 A' 963 944 3.11      
9 A' 495 485 11.36      
10 A" 945 927 1.46      
11 A" 717 702 35.39      
12 A" 418 410 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 9146.1 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 8966.8 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 B97D3/6-31G*
ABC
2.21833 0.37597 0.32149

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.430 0.000
H2 0.304 1.504 0.000
C3 1.064 -0.529 0.000
O4 -1.203 0.112 0.000
H5 2.110 -0.216 0.000
H6 0.827 -1.593 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.11641.43221.24462.20622.1852
H21.11642.17022.05152.49393.1407
C31.43222.17022.35651.09091.0902
O41.24462.05152.35653.32912.6515
H52.20622.49391.09093.32911.8813
H62.18523.14071.09022.65151.8813

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 121.073 C1 C3 H6 119.702
H2 C1 C3 121.499 H2 C1 O4 118.104
C3 C1 O4 120.397 H5 C3 H6 119.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.216      
2 H 0.110      
3 C -0.308      
4 O -0.377      
5 H 0.171      
6 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.744 -0.088 0.000 2.745
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.808 -0.137 0.000
y -0.137 -16.123 0.000
z 0.000 0.000 -17.861
Traceless
 xyz
x -1.816 -0.137 0.000
y -0.137 2.212 0.000
z 0.000 0.000 -0.396
Polar
3z2-r2-0.791
x2-y2-2.685
xy-0.137
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.933 -0.360 0.000
y -0.360 3.808 0.000
z 0.000 0.000 1.602


<r2> (average value of r2) Å2
<r2> 42.331
(<r2>)1/2 6.506