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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-153.188338
Energy at 298.15K-153.190937
HF Energy-153.188338
Nuclear repulsion energy63.190091
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/cc-pVTZ
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' 3172 3163 5.33      
2 A' 3063 3054 3.92      
3 A' 2832 2824 108.55      
4 A' 1495 1491 37.66      
5 A' 1436 1432 9.58      
6 A' 1358 1354 13.57      
7 A' 1130 1127 16.90      
8 A' 952 949 3.98      
9 A' 494 492 11.44      
10 A" 947 944 1.18      
11 A" 731 728 29.54      
12 A" 414 413 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 9011.9 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 8984.8 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 BLYP/cc-pVTZ
ABC
2.22728 0.37708 0.32248

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.428 0.000
H2 0.290 1.502 0.000
C3 1.066 -0.520 0.000
O4 -1.203 0.104 0.000
H5 2.106 -0.200 0.000
H6 0.834 -1.583 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.11261.42681.24632.19762.1774
H21.11262.16632.04602.48893.1330
C31.42682.16632.35361.08821.0878
O41.24632.04602.35363.32322.6453
H52.19762.48891.08823.32321.8790
H62.17743.13301.08782.64531.8790

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 121.216 C1 C3 H6 119.362
H2 C1 C3 116.548 H2 C1 O4 120.196
C3 C1 O4 123.256 H5 C3 H6 119.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.121      
2 H 0.037      
3 C -0.149      
4 O -0.246      
5 H 0.115      
6 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.792 -0.036 0.000 2.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.521 -0.184 0.000
y -0.184 -16.717 0.000
z 0.000 0.000 -18.437
Traceless
 xyz
x -1.944 -0.184 0.000
y -0.184 2.262 0.000
z 0.000 0.000 -0.318
Polar
3z2-r2-0.636
x2-y2-2.804
xy-0.184
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.579 -0.413 0.000
y -0.413 4.429 0.000
z 0.000 0.000 2.455


<r2> (average value of r2) Å2
<r2> 42.614
(<r2>)1/2 6.528