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All results from a given calculation for C3H2O3 (vinylene carbonate)

using model chemistry: B2PLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-341.078327
Energy at 298.15K 
HF Energy-340.701047
Nuclear repulsion energy229.493725
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 B2PLYP/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3344 3344 0.40      
2 A1 1903 1903 653.11      
3 A1 1667 1667 3.74      
4 A1 1193 1193 133.75      
5 A1 1123 1123 39.41      
6 A1 894 894 37.33      
7 A1 742 742 3.12      
8 A2 833 833 0.00      
9 A2 583 583 0.00      
10 B1 782 782 0.51      
11 B1 721 721 86.55      
12 B1 242 242 0.62      
13 B2 3320 3320 10.03      
14 B2 1372 1372 24.04      
15 B2 1101 1101 97.89      
16 B2 1030 1030 36.36      
17 B2 897 897 0.01      
18 B2 525 525 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 11134.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11134.8 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 B2PLYP/Def2TZVPP
ABC
0.31356 0.13953 0.09656

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.786
O2 0.000 0.000 1.973
O3 0.000 1.107 -0.021
O4 0.000 -1.107 -0.021
C5 0.000 0.664 -1.329
C6 0.000 -0.664 -1.329
H7 0.000 1.402 -2.105
H8 0.000 -1.402 -2.105

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.18731.37041.37042.21652.21653.21323.2132
O21.18732.28142.28143.36813.36814.31274.3127
O31.37042.28142.21471.38062.20142.10453.2619
O41.37042.28142.21472.20141.38063.26192.1045
C52.21653.36811.38062.20141.32751.07152.2070
C62.21653.36812.20141.38061.32752.20701.0715
H73.21324.31272.10453.26191.07152.20702.8045
H83.21324.31273.26192.10452.20701.07152.8045

picture of vinylene carbonate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 C5 107.352 C1 O4 C6 107.352
O2 C1 O3 126.094 O2 C1 O4 126.094
O3 C1 O4 107.811 O3 C5 C6 108.742
O3 C5 H7 117.687 O4 C6 C5 108.742
O4 C6 H8 117.687 C5 C6 H8 133.570
C6 C5 H7 133.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.388      
2 O -0.268      
3 O -0.222      
4 O -0.222      
5 C 0.008      
6 C 0.008      
7 H 0.155      
8 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.596 4.596
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.294 0.000 0.000
y 0.000 -32.798 0.000
z 0.000 0.000 -33.757
Traceless
 xyz
x -0.016 0.000 0.000
y 0.000 0.727 0.000
z 0.000 0.000 -0.711
Polar
3z2-r2-1.422
x2-y2-0.495
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.841 0.000 0.000
y 0.000 6.203 0.000
z 0.000 0.000 7.847


<r2> (average value of r2) Å2
<r2> 114.541
(<r2>)1/2 10.702