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

using model chemistry: HF/aug-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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-339.387290
Energy at 298.15K 
HF Energy-339.387290
Nuclear repulsion energy232.473149
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 HF/aug-cc-pVDZ
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 3497 3184 0.43 84.03 0.11 0.19
2 A1 2059 1875 932.57 8.90 0.51 0.67
3 A1 1844 1679 7.31 67.14 0.02 0.03
4 A1 1294 1179 211.70 3.65 0.44 0.61
5 A1 1213 1104 34.04 14.68 0.25 0.40
6 A1 1003 913 23.99 8.19 0.09 0.17
7 A1 806 734 7.75 4.50 0.31 0.48
8 A2 961 875 0.00 6.79 0.75 0.86
9 A2 620 564 0.00 2.20 0.75 0.86
10 B1 895 815 10.35 0.58 0.75 0.86
11 B1 827 753 110.56 0.02 0.75 0.86
12 B1 251 228 0.55 0.00 0.75 0.86
13 B2 3468 3158 14.25 46.02 0.75 0.86
14 B2 1496 1362 61.99 0.00 0.75 0.86
15 B2 1225 1116 128.81 0.06 0.75 0.86
16 B2 1151 1048 11.44 3.06 0.75 0.86
17 B2 980 892 3.81 2.17 0.75 0.86
18 B2 576 525 0.05 1.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12082.1 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 11002.0 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 HF/aug-cc-pVDZ
ABC
0.32379 0.14289 0.09914

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.773
O2 0.000 0.000 1.945
O3 0.000 1.087 -0.013
O4 0.000 -1.087 -0.013
C5 0.000 0.657 -1.317
C6 0.000 -0.657 -1.317
H7 0.000 1.395 -2.093
H8 0.000 -1.395 -2.093

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.17191.34101.34102.19142.19143.18813.1881
O21.17192.23902.23903.32803.32804.27264.2726
O31.34102.23902.17331.37362.17792.10353.2388
O41.34102.23902.17332.17791.37363.23882.1035
C52.19143.32801.37362.17791.31441.07092.1943
C62.19143.32802.17791.37361.31442.19431.0709
H73.18814.27262.10353.23881.07092.19432.7907
H83.18814.27263.23882.10352.19431.07092.7907

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 107.655 C1 O4 C6 107.655
O2 C1 O3 125.872 O2 C1 O4 125.872
O3 C1 O4 108.256 O3 C5 C6 108.217
O3 C5 H7 118.213 O4 C6 C5 108.217
O4 C6 H8 118.213 C5 C6 H8 133.570
C6 C5 H7 133.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.124      
2 O -0.635      
3 O -0.756      
4 O -0.756      
5 C 0.737      
6 C 0.737      
7 H -0.226      
8 H -0.226      


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 -5.148 5.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.356 0.000 0.000
y 0.000 -32.706 0.000
z 0.000 0.000 -34.428
Traceless
 xyz
x 0.211 0.000 0.000
y 0.000 1.186 0.000
z 0.000 0.000 -1.397
Polar
3z2-r2-2.794
x2-y2-0.650
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.115 0.000 0.000
y 0.000 6.202 0.000
z 0.000 0.000 7.252


<r2> (average value of r2) Å2
<r2> 112.336
(<r2>)1/2 10.599