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

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-339.134194
Energy at 298.15K 
HF Energy-339.134194
Nuclear repulsion energy225.512926
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 M06-2X/3-21G
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 3322 3185 4.09      
2 A1 1981 1900 503.84      
3 A1 1673 1604 0.10      
4 A1 1189 1140 86.62      
5 A1 1103 1057 57.38      
6 A1 877 841 24.95      
7 A1 740 710 3.77      
8 A2 911 873 0.00      
9 A2 570 546 0.00      
10 B1 791 758 4.67      
11 B1 741 710 115.92      
12 B1 235 225 4.00      
13 B2 3293 3157 17.68      
14 B2 1360 1303 7.22      
15 B2 1063 1019 80.55      
16 B2 1003 961 54.52      
17 B2 898 861 0.40      
18 B2 526 505 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11137.2 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 10677.2 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 M06-2X/3-21G
ABC
0.30585 0.13371 0.09304

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.813
O2 0.000 0.000 2.011
O3 0.000 1.126 -0.022
O4 0.000 -1.126 -0.022
C5 0.000 0.665 -1.361
C6 0.000 -0.665 -1.361
H7 0.000 1.402 -2.138
H8 0.000 -1.402 -2.138

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.19731.40211.40212.27362.27363.26723.2672
O21.19732.32372.32373.43643.43644.37904.3790
O31.40212.32372.25201.41622.23572.13383.2963
O41.40212.32372.25202.23571.41623.29632.1338
C52.27363.43641.41622.23571.32901.07102.2074
C62.27363.43642.23571.41621.32902.20741.0710
H73.26724.37902.13383.29631.07102.20742.8032
H83.26724.37903.29632.13382.20741.07102.8032

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 107.554 C1 O4 C6 107.554
O2 C1 O3 126.573 O2 C1 O4 126.573
O3 C1 O4 106.853 O3 C5 C6 109.020
O3 C5 H7 117.492 O4 C6 C5 109.020
O4 C6 H8 117.492 C5 C6 H8 133.489
C6 C5 H7 133.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.925      
2 O -0.471      
3 O -0.528      
4 O -0.528      
5 C 0.025      
6 C 0.025      
7 H 0.276      
8 H 0.276      


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 -4.808 4.808
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.186 0.000 0.000
y 0.000 -33.939 0.000
z 0.000 0.000 -32.341
Traceless
 xyz
x -0.046 0.000 0.000
y 0.000 -1.175 0.000
z 0.000 0.000 1.222
Polar
3z2-r22.443
x2-y20.752
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.743 0.000 0.000
y 0.000 4.839 0.000
z 0.000 0.000 6.561


<r2> (average value of r2) Å2
<r2> 117.908
(<r2>)1/2 10.859