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-153.059438
Energy at 298.15K-153.062171
HF Energy-153.059438
Nuclear repulsion energy63.114809
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' 3312 3159 4.47      
2 A' 3192 3044 2.34      
3 A' 3058 2916 73.61      
4 A' 1509 1439 11.05      
5 A' 1484 1415 1.15      
6 A' 1367 1304 15.64      
7 A' 1208 1152 12.02      
8 A' 1010 964 3.73      
9 A' 506 482 12.20      
10 A" 1000 954 0.16      
11 A" 827 789 54.92      
12 A" 497 474 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 9484.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 9045.7 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
2.21378 0.37843 0.32318

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 0.430 0.000
H2 0.226 1.505 0.000
C3 1.080 -0.469 0.000
O4 -1.213 0.047 0.000
H5 2.105 -0.117 0.000
H6 0.890 -1.536 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.09771.40521.27182.17532.1579
H21.09772.15032.04772.48273.1119
C31.40522.15032.34991.08371.0839
O41.27182.04772.34993.32192.6314
H52.17532.48271.08373.32191.8680
H62.15793.11191.08392.63141.8680

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 121.315 C1 C3 H6 119.652
H2 C1 C3 117.911 H2 C1 O4 119.404
C3 C1 O4 122.685 H5 C3 H6 119.033
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 0.155      
2 H 0.142      
3 C -0.269      
4 O -0.391      
5 H 0.172      
6 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.113 0.132 0.000 3.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.383 -0.352 0.000
y -0.352 -16.026 0.000
z 0.000 0.000 -18.071
Traceless
 xyz
x -2.335 -0.352 0.000
y -0.352 2.701 0.000
z 0.000 0.000 -0.366
Polar
3z2-r2-0.733
x2-y2-3.357
xy-0.352
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.958 -0.304 0.000
y -0.304 3.490 0.000
z 0.000 0.000 1.399


<r2> (average value of r2) Å2
<r2> 42.253
(<r2>)1/2 6.500