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

using model chemistry: PBEPBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-340.944385
Energy at 298.15K 
HF Energy-340.944385
Nuclear repulsion energy227.850413
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 PBEPBE/aug-cc-pVTZ
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 3240 3219 0.30      
2 A1 1855 1843 627.36      
3 A1 1614 1604 5.19      
4 A1 1146 1138 118.82      
5 A1 1082 1075 25.16      
6 A1 857 851 37.58      
7 A1 717 712 2.96      
8 A2 792 787 0.00      
9 A2 567 564 0.00      
10 B1 741 736 0.11      
11 B1 684 679 82.78      
12 B1 239 238 0.40      
13 B2 3216 3195 7.65      
14 B2 1312 1304 19.60      
15 B2 1062 1055 76.49      
16 B2 970 963 44.84      
17 B2 860 854 0.82      
18 B2 503 500 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 10728.0 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 10658.2 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 PBEPBE/aug-cc-pVTZ
ABC
0.30821 0.13774 0.09519

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.792
O2 0.000 0.000 1.988
O3 0.000 1.118 -0.025
O4 0.000 -1.118 -0.025
C5 0.000 0.668 -1.335
C6 0.000 -0.668 -1.335
H7 0.000 1.413 -2.119
H8 0.000 -1.413 -2.119

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.19611.38411.38412.22952.22953.23593.2359
O21.19612.30202.30203.38973.38974.34344.3434
O31.38412.30202.23541.38582.21502.11533.2853
O41.38412.30202.23542.21501.38583.28532.1153
C52.22953.38971.38582.21501.33581.08172.2239
C62.22953.38972.21501.38581.33582.22391.0817
H73.23594.34342.11533.28531.08172.22392.8266
H83.23594.34343.28532.11532.22391.08172.8266

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 107.202 C1 O4 C6 107.202
O2 C1 O3 126.143 O2 C1 O4 126.143
O3 C1 O4 107.713 O3 C5 C6 108.941
O3 C5 H7 117.499 O4 C6 C5 108.941
O4 C6 H8 117.499 C5 C6 H8 133.560
C6 C5 H7 133.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.414      
2 O -0.443      
3 O -0.229      
4 O -0.229      
5 C -0.269      
6 C -0.269      
7 H 0.512      
8 H 0.512      


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 -4.390 4.390
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.424 0.000 0.000
y 0.000 -32.744 0.000
z 0.000 0.000 -34.025
Traceless
 xyz
x -0.040 0.000 0.000
y 0.000 0.980 0.000
z 0.000 0.000 -0.941
Polar
3z2-r2-1.881
x2-y2-0.680
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.544 0.000 0.000
y 0.000 6.925 0.000
z 0.000 0.000 8.908


<r2> (average value of r2) Å2
<r2> 115.959
(<r2>)1/2 10.768