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

using model chemistry: HF/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 HF/cc-pVDZ
 hartrees
Energy at 0K-339.365044
Energy at 298.15K 
HF Energy-339.365044
Nuclear repulsion energy232.838751
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 HF/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 3502 3180 0.14 88.14 0.11 0.20
2 A1 2108 1914 896.10 6.57 0.47 0.64
3 A1 1857 1686 3.14 34.34 0.12 0.21
4 A1 1305 1185 230.96 2.35 0.75 0.86
5 A1 1217 1105 13.03 15.82 0.36 0.53
6 A1 1013 919 20.49 7.87 0.18 0.31
7 A1 809 735 6.86 3.80 0.43 0.60
8 A2 966 877 0.00 4.58 0.75 0.86
9 A2 621 564 0.00 4.53 0.75 0.86
10 B1 901 818 15.69 0.10 0.75 0.86
11 B1 829 752 99.19 2.97 0.75 0.86
12 B1 251 228 1.30 0.08 0.75 0.86
13 B2 3472 3153 14.25 50.82 0.75 0.86
14 B2 1506 1367 89.19 0.02 0.75 0.86
15 B2 1232 1119 124.72 0.34 0.75 0.86
16 B2 1160 1053 18.68 3.04 0.75 0.86
17 B2 987 897 4.15 3.12 0.75 0.86
18 B2 582 529 0.01 2.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12158.1 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 11039.6 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 HF/cc-pVDZ
ABC
0.32426 0.14350 0.09948

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.772
O2 0.000 0.000 1.941
O3 0.000 1.085 -0.013
O4 0.000 -1.085 -0.013
C5 0.000 0.657 -1.314
C6 0.000 -0.657 -1.314
H7 0.000 1.397 -2.090
H8 0.000 -1.397 -2.090

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.16871.33961.33962.18742.18743.18543.1854
O21.16872.23512.23513.32083.32084.26664.2666
O31.33962.23512.17101.37002.17482.10083.2374
O41.33962.23512.17102.17481.37003.23742.1008
C52.18743.32081.37002.17481.31401.07272.1962
C62.18743.32082.17481.37001.31402.19621.0727
H73.18544.26662.10083.23741.07272.19622.7949
H83.18544.26663.23742.10082.19621.07272.7949

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 107.651 C1 O4 C6 107.651
O2 C1 O3 125.876 O2 C1 O4 125.876
O3 C1 O4 108.248 O3 C5 C6 108.225
O3 C5 H7 118.123 O4 C6 C5 108.225
O4 C6 H8 118.123 C5 C6 H8 133.652
C6 C5 H7 133.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.587      
2 O -0.325      
3 O -0.346      
4 O -0.346      
5 C 0.140      
6 C 0.140      
7 H 0.075      
8 H 0.075      


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 -5.095 5.095
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.817 0.000 0.000
y 0.000 -32.650 0.000
z 0.000 0.000 -33.442
Traceless
 xyz
x 0.229 0.000 0.000
y 0.000 0.479 0.000
z 0.000 0.000 -0.708
Polar
3z2-r2-1.417
x2-y2-0.167
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.595 0.000 0.000
y 0.000 5.323 0.000
z 0.000 0.000 6.109


<r2> (average value of r2) Å2
<r2> 111.712
(<r2>)1/2 10.569