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

using model chemistry: B1B95/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/Def2TZVPP
 hartrees
Energy at 0K-341.202794
Energy at 298.15K 
HF Energy-341.202794
Nuclear repulsion energy231.145680
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 B1B95/Def2TZVPP
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 3347 3347 0.26      
2 A1 1951 1951 705.70      
3 A1 1706 1706 4.78      
4 A1 1214 1214 166.94      
5 A1 1140 1140 10.75      
6 A1 928 928 30.03      
7 A1 748 748 3.60      
8 A2 856 856 0.00      
9 A2 589 589 0.00      
10 B1 796 796 0.89      
11 B1 735 735 86.41      
12 B1 246 246 0.47      
13 B2 3321 3321 9.64      
14 B2 1388 1388 36.04      
15 B2 1123 1123 99.18      
16 B2 1066 1066 26.69      
17 B2 909 909 1.10      
18 B2 536 536 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11299.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11299.2 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 B1B95/Def2TZVPP
ABC
0.31875 0.14141 0.09795

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.779
O2 0.000 0.000 1.960
O3 0.000 1.097 -0.021
O4 0.000 -1.097 -0.021
C5 0.000 0.660 -1.319
C6 0.000 -0.660 -1.319
H7 0.000 1.399 -2.096
H8 0.000 -1.399 -2.096

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.18101.35781.35782.20032.20033.19733.1973
O21.18102.26472.26473.34573.34574.29044.2904
O31.35782.26472.19351.36982.18482.09653.2452
O41.35782.26472.19352.18481.36983.24522.0965
C52.20033.34571.36982.18481.32061.07132.2004
C62.20033.34572.18481.36981.32062.20041.0713
H73.19734.29042.09653.24521.07132.20042.7973
H83.19734.29043.24522.09652.20041.07132.7973

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 107.544 C1 O4 C6 107.544
O2 C1 O3 126.123 O2 C1 O4 126.123
O3 C1 O4 107.754 O3 C5 C6 108.580
O3 C5 H7 117.851 O4 C6 C5 108.580
O4 C6 H8 117.851 C5 C6 H8 133.569
C6 C5 H7 133.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.380      
2 O -0.288      
3 O -0.192      
4 O -0.192      
5 C -0.001      
6 C -0.001      
7 H 0.147      
8 H 0.147      


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 -4.617 4.617
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.837 0.000 0.000
y 0.000 -32.202 0.000
z 0.000 0.000 -33.485
Traceless
 xyz
x 0.007 0.000 0.000
y 0.000 0.959 0.000
z 0.000 0.000 -0.966
Polar
3z2-r2-1.932
x2-y2-0.634
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.789 0.000 0.000
y 0.000 6.125 0.000
z 0.000 0.000 7.695


<r2> (average value of r2) Å2
<r2> 112.975
(<r2>)1/2 10.629