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

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-341.113401
Energy at 298.15K 
HF Energy-341.113401
Nuclear repulsion energy230.127841
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/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 3357 3215 0.53      
2 A1 1937 1856 720.61      
3 A1 1709 1637 6.05      
4 A1 1207 1156 162.20      
5 A1 1130 1082 8.32      
6 A1 922 883 30.83      
7 A1 744 713 3.57      
8 A2 835 799 0.00      
9 A2 584 560 0.00      
10 B1 788 755 1.22      
11 B1 728 697 89.68      
12 B1 246 236 0.43      
13 B2 3330 3189 10.90      
14 B2 1376 1318 35.55      
15 B2 1117 1070 96.77      
16 B2 1070 1025 25.59      
17 B2 907 869 1.03      
18 B2 530 507 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 11256.1 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 10782.2 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/aug-cc-pVDZ
ABC
0.31547 0.14033 0.09713

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.780
O2 0.000 0.000 1.969
O3 0.000 1.102 -0.021
O4 0.000 -1.102 -0.021
C5 0.000 0.665 -1.324
C6 0.000 -0.665 -1.324
H7 0.000 1.408 -2.106
H8 0.000 -1.408 -2.106

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.18871.36241.36242.20662.20663.21123.2112
O21.18872.27462.27463.35923.35924.31124.3112
O31.36242.27462.20381.37442.19502.10733.2629
O41.36242.27462.20382.19501.37443.26292.1073
C52.20663.35921.37442.19501.32901.07902.2151
C62.20663.35922.19501.37441.32902.21511.0790
H73.21124.31122.10733.26291.07902.21512.8159
H83.21124.31123.26292.10732.21511.07902.8159

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 107.462 C1 O4 C6 107.462
O2 C1 O3 126.019 O2 C1 O4 126.019
O3 C1 O4 107.962 O3 C5 C6 108.557
O3 C5 H7 117.890 O4 C6 C5 108.557
O4 C6 H8 117.890 C5 C6 H8 133.553
C6 C5 H7 133.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.731      
2 O -0.482      
3 O -0.471      
4 O -0.471      
5 C 0.719      
6 C 0.719      
7 H -0.373      
8 H -0.373      


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 -4.669 4.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.148 0.000 0.000
y 0.000 -32.412 0.000
z 0.000 0.000 -33.880
Traceless
 xyz
x -0.002 0.000 0.000
y 0.000 1.102 0.000
z 0.000 0.000 -1.099
Polar
3z2-r2-2.199
x2-y2-0.736
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.272 0.000 0.000
y 0.000 6.521 0.000
z 0.000 0.000 8.269


<r2> (average value of r2) Å2
<r2> 113.968
(<r2>)1/2 10.676