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: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-153.103342
Energy at 298.15K-153.106000
HF Energy-153.103342
Nuclear repulsion energy63.627730
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 B1B95/6-31G*
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' 3303 3135 3.84      
2 A' 3187 3026 2.26      
3 A' 2991 2839 94.81      
4 A' 1588 1508 33.68      
5 A' 1495 1419 10.58      
6 A' 1414 1343 9.05      
7 A' 1176 1117 19.03      
8 A' 987 937 2.87      
9 A' 500 475 12.36      
10 A" 978 928 1.11      
11 A" 752 714 39.61      
12 A" 461 438 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 9415.8 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 8938.4 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 B1B95/6-31G*
ABC
2.23951 0.38348 0.32742

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.429 0.000
H2 0.287 1.497 0.000
C3 1.056 -0.519 0.000
O4 -1.192 0.104 0.000
H5 2.096 -0.210 0.000
H6 0.817 -1.577 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.10601.41921.23552.19132.1661
H21.10602.15802.03162.48763.1196
C31.41922.15802.33301.08471.0844
O41.23552.03162.33303.30302.6201
H52.19132.48761.08473.30301.8715
H62.16613.11961.08442.62011.8715

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 121.542 C1 C3 H6 119.204
H2 C1 C3 116.883 H2 C1 O4 120.271
C3 C1 O4 122.846 H5 C3 H6 119.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.208      
2 H 0.127      
3 C -0.326      
4 O -0.390      
5 H 0.182      
6 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.813 -0.032 0.000 2.813
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.792 -0.138 0.000
y -0.138 -15.980 0.000
z 0.000 0.000 -17.897
Traceless
 xyz
x -1.853 -0.138 0.000
y -0.138 2.364 0.000
z 0.000 0.000 -0.511
Polar
3z2-r2-1.022
x2-y2-2.811
xy-0.138
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.815 -0.347 0.000
y -0.347 3.663 0.000
z 0.000 0.000 1.580


<r2> (average value of r2) Å2
<r2> 41.749
(<r2>)1/2 6.461