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

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 C2V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-340.922022
Energy at 298.15K 
HF Energy-340.922022
Nuclear repulsion energy225.937586
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 A1 3414 3256 1.72      
2 A1 1894 1806 547.78      
3 A1 1689 1611 0.01      
4 A1 1189 1134 82.10      
5 A1 1090 1040 70.00      
6 A1 868 828 29.76      
7 A1 724 690 3.20      
8 A2 887 846 0.00      
9 A2 564 538 0.00      
10 B1 782 746 34.48      
11 B1 709 677 75.34      
12 B1 245 234 2.96      
13 B2 3385 3228 13.17      
14 B2 1349 1287 7.40      
15 B2 1063 1014 76.81      
16 B2 986 940 66.18      
17 B2 887 846 0.60      
18 B2 509 485 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11117.4 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 10602.6 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
0.30744 0.13402 0.09333

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.808
O2 0.000 0.000 2.013
O3 0.000 1.121 -0.026
O4 0.000 -1.121 -0.026
C5 0.000 0.666 -1.357
C6 0.000 -0.666 -1.357
H7 0.000 1.412 -2.126
H8 0.000 -1.412 -2.126

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.20481.39741.39742.26542.26543.25603.2560
O21.20482.32722.32723.43533.43534.37304.3730
O31.39742.32722.24121.40612.22762.11943.2893
O41.39742.32722.24122.22761.40613.28932.1194
C52.26543.43531.40612.22761.33191.07102.2153
C62.26543.43532.22761.40611.33192.21531.0710
H73.25604.37302.11943.28931.07102.21532.8233
H83.25604.37303.28932.11942.21531.07102.8233

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 107.817 C1 O4 C6 107.817
O2 C1 O3 126.684 O2 C1 O4 126.684
O3 C1 O4 106.633 O3 C5 C6 108.866
O3 C5 H7 117.006 O4 C6 C5 108.866
O4 C6 H8 117.006 C5 C6 H8 134.128
C6 C5 H7 134.128
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 0.728      
2 O -0.369      
3 O -0.497      
4 O -0.497      
5 C 0.082      
6 C 0.082      
7 H 0.235      
8 H 0.235      


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 -5.141 5.141
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.984 0.000 0.000
y 0.000 -34.146 0.000
z 0.000 0.000 -32.730
Traceless
 xyz
x 0.454 0.000 0.000
y 0.000 -1.289 0.000
z 0.000 0.000 0.835
Polar
3z2-r21.670
x2-y21.162
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.218 0.000 0.000
y 0.000 5.236 0.000
z 0.000 0.000 7.185


<r2> (average value of r2) Å2
<r2> 117.678
(<r2>)1/2 10.848