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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-341.173105
Energy at 298.15K 
HF Energy-341.173105
Nuclear repulsion energy230.566079
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 mPW1PW91/6-311G**
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 3343 3198 0.11      
2 A1 1971 1886 671.18      
3 A1 1696 1623 2.88      
4 A1 1212 1159 165.37      
5 A1 1135 1086 6.94      
6 A1 924 884 27.16      
7 A1 752 720 3.61      
8 A2 842 806 0.00      
9 A2 585 560 0.00      
10 B1 796 762 2.03      
11 B1 730 698 91.43      
12 B1 245 234 0.91      
13 B2 3317 3173 10.11      
14 B2 1380 1320 42.44      
15 B2 1120 1071 107.96      
16 B2 1054 1008 29.67      
17 B2 915 875 0.17      
18 B2 537 513 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11276.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 10788.4 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 mPW1PW91/6-311G**
ABC
0.31632 0.14094 0.09750

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.782
O2 0.000 0.000 1.963
O3 0.000 1.101 -0.021
O4 0.000 -1.101 -0.021
C5 0.000 0.663 -1.322
C6 0.000 -0.663 -1.322
H7 0.000 1.405 -2.099
H8 0.000 -1.405 -2.099

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.18181.36241.36242.20532.20533.20443.2044
O21.18182.26932.26933.35143.35144.29794.2979
O31.36242.26932.20201.37282.19152.09963.2550
O41.36242.26932.20202.19151.37283.25502.0996
C52.20533.35141.37282.19151.32531.07422.2084
C62.20533.35142.19151.37281.32532.20841.0742
H73.20444.29792.09963.25501.07422.20842.8094
H83.20444.29793.25502.09962.20841.07422.8094

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 107.465 C1 O4 C6 107.465
O2 C1 O3 126.088 O2 C1 O4 126.088
O3 C1 O4 107.825 O3 C5 C6 108.622
O3 C5 H7 117.682 O4 C6 C5 108.622
O4 C6 H8 117.682 C5 C6 H8 133.696
C6 C5 H7 133.696
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.512      
2 O -0.327      
3 O -0.261      
4 O -0.261      
5 C 0.019      
6 C 0.019      
7 H 0.149      
8 H 0.149      


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 -4.619 4.619
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.747 0.000 0.000
y 0.000 -32.375 0.000
z 0.000 0.000 -32.975
Traceless
 xyz
x -0.072 0.000 0.000
y 0.000 0.485 0.000
z 0.000 0.000 -0.414
Polar
3z2-r2-0.828
x2-y2-0.371
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.963 0.000 0.000
y 0.000 5.528 0.000
z 0.000 0.000 7.031


<r2> (average value of r2) Å2
<r2> 113.319
(<r2>)1/2 10.645