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

using model chemistry: HF/6-31G**

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/6-31G**
 hartrees
Energy at 0K-339.342072
Energy at 298.15K 
HF Energy-339.342072
Nuclear repulsion energy232.863489
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/6-31G**
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 3510 3168 0.02 86.84 0.10 0.18
2 A1 2113 1907 853.14 6.70 0.46 0.63
3 A1 1865 1684 1.75 30.82 0.12 0.21
4 A1 1316 1188 206.92 3.63 0.71 0.83
5 A1 1234 1114 28.93 14.68 0.37 0.54
6 A1 1018 918 19.29 8.88 0.17 0.29
7 A1 810 731 6.43 3.82 0.42 0.59
8 A2 977 882 0.00 2.91 0.75 0.86
9 A2 615 555 0.00 4.83 0.75 0.86
10 B1 897 809 9.41 0.00 0.75 0.86
11 B1 837 755 109.76 3.57 0.75 0.86
12 B1 252 228 1.36 0.06 0.75 0.86
13 B2 3481 3142 11.38 51.23 0.75 0.86
14 B2 1519 1371 71.85 0.01 0.75 0.86
15 B2 1243 1122 130.86 0.34 0.75 0.86
16 B2 1170 1056 19.34 2.85 0.75 0.86
17 B2 988 892 5.19 3.18 0.75 0.86
18 B2 579 523 0.07 2.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12211.4 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 11022.0 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/6-31G**
ABC
0.32561 0.14311 0.09942

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G**

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 1.944
O3 0.000 1.084 -0.014
O4 0.000 -1.084 -0.014
C5 0.000 0.655 -1.316
C6 0.000 -0.655 -1.316
H7 0.000 1.393 -2.085
H8 0.000 -1.393 -2.085

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.17161.33931.33932.18942.18943.17933.1793
O21.17162.23832.23833.32583.32584.26354.2635
O31.33932.23832.16741.37102.17222.09403.2284
O41.33932.23832.16742.17221.37103.22842.0940
C52.18943.32581.37102.17221.30981.06572.1873
C62.18943.32582.17221.37101.30982.18731.0657
H73.17934.26352.09403.22841.06572.18732.7856
H83.17934.26353.22842.09402.18731.06572.7856

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 107.761 C1 O4 C6 107.761
O2 C1 O3 125.986 O2 C1 O4 125.986
O3 C1 O4 108.028 O3 C5 C6 108.225
O3 C5 H7 117.954 O4 C6 C5 108.225
O4 C6 H8 117.954 C5 C6 H8 133.820
C6 C5 H7 133.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.044      
2 O -0.547      
3 O -0.584      
4 O -0.584      
5 C 0.129      
6 C 0.129      
7 H 0.206      
8 H 0.206      


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 -5.332 5.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.648 0.000 0.000
y 0.000 -32.773 0.000
z 0.000 0.000 -33.301
Traceless
 xyz
x 0.389 0.000 0.000
y 0.000 0.201 0.000
z 0.000 0.000 -0.590
Polar
3z2-r2-1.180
x2-y20.125
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.500 0.000 0.000
y 0.000 5.282 0.000
z 0.000 0.000 6.086


<r2> (average value of r2) Å2
<r2> 111.691
(<r2>)1/2 10.568