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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-340.666185
Energy at 298.15K 
HF Energy-340.666185
Nuclear repulsion energy225.624505
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 PBE1PBE/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 3409 3258 2.05      
2 A1 1894 1810 541.67      
3 A1 1683 1608 0.00      
4 A1 1188 1135 82.72      
5 A1 1090 1042 66.86      
6 A1 869 831 30.09      
7 A1 729 697 2.94      
8 A2 883 844 0.00      
9 A2 568 543 0.00      
10 B1 780 746 34.52      
11 B1 710 679 78.00      
12 B1 246 236 2.89      
13 B2 3380 3231 13.77      
14 B2 1346 1287 7.03      
15 B2 1062 1015 77.87      
16 B2 989 945 63.73      
17 B2 889 850 0.96      
18 B2 506 484 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11110.1 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 10620.2 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 PBE1PBE/6-31G
ABC
0.30626 0.13375 0.09309

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.809
O2 0.000 0.000 2.015
O3 0.000 1.123 -0.026
O4 0.000 -1.123 -0.026
C5 0.000 0.667 -1.358
C6 0.000 -0.667 -1.358
H7 0.000 1.414 -2.129
H8 0.000 -1.414 -2.129

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.20661.39931.39932.26742.26743.26023.2602
O21.20662.33002.33003.43893.43894.37874.3787
O31.39932.33002.24551.40772.23122.12243.2950
O41.39932.33002.24552.23121.40773.29502.1224
C52.26743.43891.40772.23121.33451.07322.2196
C62.26743.43892.23121.40771.33452.21961.0732
H73.26024.37872.12243.29501.07322.21962.8287
H83.26024.37873.29502.12242.21961.07322.8287

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 107.760 C1 O4 C6 107.760
O2 C1 O3 126.641 O2 C1 O4 126.641
O3 C1 O4 106.718 O3 C5 C6 108.882
O3 C5 H7 116.996 O4 C6 C5 108.882
O4 C6 H8 116.996 C5 C6 H8 134.122
C6 C5 H7 134.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.744      
2 O -0.378      
3 O -0.500      
4 O -0.500      
5 C 0.071      
6 C 0.071      
7 H 0.245      
8 H 0.245      


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 -5.138 5.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.132 0.000 0.000
y 0.000 -34.174 0.000
z 0.000 0.000 -32.810
Traceless
 xyz
x 0.360 0.000 0.000
y 0.000 -1.203 0.000
z 0.000 0.000 0.843
Polar
3z2-r21.686
x2-y21.042
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.231 0.000 0.000
y 0.000 5.264 0.000
z 0.000 0.000 7.198


<r2> (average value of r2) Å2
<r2> 117.985
(<r2>)1/2 10.862