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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-340.836849
Energy at 298.15K 
HF Energy-340.836849
Nuclear repulsion energy227.133923
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 PBEPBE/cc-pVDZ
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 3251 3232 0.10      
2 A1 1890 1879 539.08      
3 A1 1627 1617 3.15      
4 A1 1148 1141 125.06      
5 A1 1080 1074 2.91      
6 A1 858 853 29.43      
7 A1 715 711 2.31      
8 A2 767 763 0.00      
9 A2 564 560 0.00      
10 B1 737 732 0.00      
11 B1 673 669 69.87      
12 B1 240 239 0.75      
13 B2 3225 3206 6.86      
14 B2 1310 1302 28.67      
15 B2 1064 1058 71.71      
16 B2 973 967 42.85      
17 B2 866 861 0.23      
18 B2 502 499 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 10743.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 10681.0 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 PBEPBE/cc-pVDZ
ABC
0.30479 0.13732 0.09467

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.791
O2 0.000 0.000 1.992
O3 0.000 1.123 -0.025
O4 0.000 -1.123 -0.025
C5 0.000 0.673 -1.336
C6 0.000 -0.673 -1.336
H7 0.000 1.426 -2.126
H8 0.000 -1.426 -2.126

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.20101.38841.38842.23112.23113.24693.2469
O21.20102.30892.30893.39563.39564.35794.3579
O31.38842.30892.24621.38622.22332.12233.3034
O41.38842.30892.24622.22331.38623.30342.1223
C52.23113.39561.38622.22331.34511.09172.2426
C62.23113.39562.22331.38621.34512.24261.0917
H73.24694.35792.12233.30341.09172.24262.8529
H83.24694.35793.30342.12232.24261.09172.8529

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 107.045 C1 O4 C6 107.045
O2 C1 O3 126.011 O2 C1 O4 126.011
O3 C1 O4 107.978 O3 C5 C6 108.967
O3 C5 H7 117.358 O4 C6 C5 108.967
O4 C6 H8 117.358 C5 C6 H8 133.675
C6 C5 H7 133.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.267      
2 O -0.183      
3 O -0.161      
4 O -0.161      
5 C 0.084      
6 C 0.084      
7 H 0.036      
8 H 0.036      


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 -4.093 4.093
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.777 0.000 0.000
y 0.000 -31.986 0.000
z 0.000 0.000 -32.707
Traceless
 xyz
x -0.430 0.000 0.000
y 0.000 0.756 0.000
z 0.000 0.000 -0.326
Polar
3z2-r2-0.652
x2-y2-0.791
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.752 0.000 0.000
y 0.000 5.652 0.000
z 0.000 0.000 7.522


<r2> (average value of r2) Å2
<r2> 115.948
(<r2>)1/2 10.768