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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-341.219683
Energy at 298.15K 
HF Energy-341.219683
Nuclear repulsion energy228.523037
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 B3LYPultrafine/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 3325 3226 0.64      
2 A1 1895 1839 696.68      
3 A1 1669 1620 4.24      
4 A1 1177 1142 129.17      
5 A1 1110 1077 35.71      
6 A1 892 865 35.44      
7 A1 739 717 3.80      
8 A2 822 797 0.00      
9 A2 579 562 0.00      
10 B1 773 750 0.63      
11 B1 714 693 90.65      
12 B1 245 238 0.50      
13 B2 3299 3201 10.77      
14 B2 1351 1311 25.38      
15 B2 1090 1057 106.12      
16 B2 1020 990 25.54      
17 B2 892 866 0.00      
18 B2 517 502 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11053.4 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 10726.2 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 B3LYPultrafine/aug-cc-pVDZ
ABC
0.31120 0.13831 0.09576

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.789
O2 0.000 0.000 1.982
O3 0.000 1.111 -0.021
O4 0.000 -1.111 -0.021
C5 0.000 0.667 -1.334
C6 0.000 -0.667 -1.334
H7 0.000 1.413 -2.117
H8 0.000 -1.413 -2.117

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.19331.37451.37452.22552.22553.23153.2315
O21.19332.29042.29043.38293.38294.33614.3361
O31.37452.29042.22121.38612.21032.11803.2809
O41.37452.29042.22122.21031.38613.28092.1180
C52.22553.38291.38612.21031.33461.08152.2230
C62.22553.38292.21031.38611.33462.22301.0815
H73.23154.33612.11803.28091.08152.22302.8266
H83.23154.33613.28092.11802.22301.08152.8266

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 107.444 C1 O4 C6 107.444
O2 C1 O3 126.098 O2 C1 O4 126.098
O3 C1 O4 107.804 O3 C5 C6 108.654
O3 C5 H7 117.730 O4 C6 C5 108.654
O4 C6 H8 117.730 C5 C6 H8 133.616
C6 C5 H7 133.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.658      
2 O -0.449      
3 O -0.438      
4 O -0.438      
5 C 0.797      
6 C 0.797      
7 H -0.464      
8 H -0.464      


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 -4.681 4.681
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.434 0.000 0.000
y 0.000 -32.943 0.000
z 0.000 0.000 -34.231
Traceless
 xyz
x 0.153 0.000 0.000
y 0.000 0.889 0.000
z 0.000 0.000 -1.043
Polar
3z2-r2-2.085
x2-y2-0.491
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.370 0.000 0.000
y 0.000 6.695 0.000
z 0.000 0.000 8.485


<r2> (average value of r2) Å2
<r2> 115.519
(<r2>)1/2 10.748