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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-339.453137
Energy at 298.15K 
HF Energy-339.453137
Nuclear repulsion energy233.344315
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/TZVP
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 3487 3168 0.22 84.77 0.12 0.21
2 A1 2084 1894 941.81 8.26 0.50 0.66
3 A1 1842 1674 4.75 49.02 0.05 0.09
4 A1 1305 1186 222.65 4.10 0.56 0.72
5 A1 1228 1116 39.11 14.29 0.28 0.44
6 A1 1009 917 24.06 8.10 0.12 0.21
7 A1 813 739 8.12 4.33 0.43 0.60
8 A2 970 882 0.00 5.32 0.75 0.86
9 A2 612 556 0.00 3.37 0.75 0.86
10 B1 888 807 7.23 0.26 0.75 0.86
11 B1 832 756 116.80 1.45 0.75 0.86
12 B1 245 222 0.80 0.01 0.75 0.86
13 B2 3459 3143 15.39 45.42 0.75 0.86
14 B2 1512 1374 68.60 0.01 0.75 0.86
15 B2 1230 1118 148.23 0.32 0.75 0.86
16 B2 1157 1051 9.12 4.25 0.75 0.86
17 B2 984 894 3.20 2.71 0.75 0.86
18 B2 584 531 0.00 2.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12120.6 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 11012.8 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/TZVP
ABC
0.32669 0.14379 0.09985

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.773
O2 0.000 0.000 1.938
O3 0.000 1.082 -0.013
O4 0.000 -1.082 -0.013
C5 0.000 0.653 -1.314
C6 0.000 -0.653 -1.314
H7 0.000 1.389 -2.083
H8 0.000 -1.389 -2.083

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.16481.33801.33802.18682.18683.17623.1762
O21.16482.23152.23153.31683.31684.25444.2544
O31.33802.23152.16481.36962.16862.09243.2237
O41.33802.23152.16482.16861.36963.22372.0924
C52.18683.31681.36962.16861.30601.06472.1822
C62.18683.31682.16861.36961.30602.18221.0647
H73.17624.25442.09243.22371.06472.18222.7782
H83.17624.25443.22372.09242.18221.06472.7782

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 107.735 C1 O4 C6 107.735
O2 C1 O3 126.006 O2 C1 O4 126.006
O3 C1 O4 107.988 O3 C5 C6 108.271
O3 C5 H7 117.993 O4 C6 C5 108.271
O4 C6 H8 117.993 C5 C6 H8 133.736
C6 C5 H7 133.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.489      
2 O -0.400      
3 O -0.205      
4 O -0.205      
5 C 0.014      
6 C 0.014      
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 -5.305 5.305
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.044 0.000 0.000
y 0.000 -33.125 0.000
z 0.000 0.000 -34.143
Traceless
 xyz
x 0.589 0.000 0.000
y 0.000 0.469 0.000
z 0.000 0.000 -1.058
Polar
3z2-r2-2.116
x2-y20.081
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.425 0.000 0.000
y 0.000 5.701 0.000
z 0.000 0.000 6.535


<r2> (average value of r2) Å2
<r2> 111.637
(<r2>)1/2 10.566