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

using model chemistry: B3PW91/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 B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-341.170282
Energy at 298.15K 
HF Energy-341.170282
Nuclear repulsion energy230.160606
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 B3PW91/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 3320 3204 0.50      
2 A1 1924 1857 704.26      
3 A1 1678 1620 5.53      
4 A1 1196 1154 152.34      
5 A1 1127 1087 19.58      
6 A1 909 878 33.46      
7 A1 746 720 3.85      
8 A2 846 817 0.00      
9 A2 586 566 0.00      
10 B1 787 759 0.71      
11 B1 726 700 88.61      
12 B1 246 237 0.42      
13 B2 3295 3180 9.84      
14 B2 1369 1321 29.05      
15 B2 1107 1069 98.64      
16 B2 1041 1005 30.06      
17 B2 902 870 0.24      
18 B2 528 510 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11166.2 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 10776.5 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 B3PW91/aug-cc-pVTZ
ABC
0.31560 0.14032 0.09713

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.783
O2 0.000 0.000 1.968
O3 0.000 1.103 -0.021
O4 0.000 -1.103 -0.021
C5 0.000 0.662 -1.324
C6 0.000 -0.662 -1.324
H7 0.000 1.402 -2.103
H8 0.000 -1.402 -2.103

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.18511.36531.36532.20902.20903.20893.2089
O21.18512.27492.27493.35843.35844.30614.3061
O31.36532.27492.20621.37542.19412.10333.2572
O41.36532.27492.20622.19411.37543.25722.1033
C52.20903.35841.37542.19411.32471.07422.2063
C62.20903.35842.19411.37541.32472.20631.0742
H73.20894.30612.10333.25721.07422.20632.8037
H83.20894.30613.25722.10332.20631.07422.8037

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 107.413 C1 O4 C6 107.413
O2 C1 O3 126.104 O2 C1 O4 126.104
O3 C1 O4 107.792 O3 C5 C6 108.691
O3 C5 H7 117.799 O4 C6 C5 108.691
O4 C6 H8 117.799 C5 C6 H8 133.510
C6 C5 H7 133.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.513      
2 O -0.511      
3 O -0.270      
4 O -0.270      
5 C -0.207      
6 C -0.207      
7 H 0.477      
8 H 0.477      


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 -4.575 4.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.015 0.000 0.000
y 0.000 -32.390 0.000
z 0.000 0.000 -33.799
Traceless
 xyz
x 0.080 0.000 0.000
y 0.000 1.017 0.000
z 0.000 0.000 -1.097
Polar
3z2-r2-2.194
x2-y2-0.625
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.344 0.000 0.000
y 0.000 6.583 0.000
z 0.000 0.000 8.302


<r2> (average value of r2) Å2
<r2> 113.887
(<r2>)1/2 10.672