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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-339.482674
Energy at 298.15K 
HF Energy-339.482674
Nuclear repulsion energy233.590280
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/Def2TZVPP
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 3481 3155 0.11 86.43 0.11 0.19
2 A1 2074 1880 918.32 7.92 0.52 0.68
3 A1 1841 1668 5.97 48.12 0.05 0.09
4 A1 1307 1185 216.92 3.78 0.54 0.70
5 A1 1227 1112 36.80 14.55 0.25 0.40
6 A1 1012 917 23.32 8.03 0.11 0.20
7 A1 811 735 7.58 4.01 0.37 0.54
8 A2 988 895 0.00 6.03 0.75 0.86
9 A2 626 567 0.00 2.62 0.75 0.86
10 B1 903 818 8.63 0.42 0.75 0.86
11 B1 837 758 108.17 0.57 0.75 0.86
12 B1 251 228 0.56 0.00 0.75 0.86
13 B2 3453 3129 12.13 45.96 0.75 0.86
14 B2 1513 1371 62.41 0.00 0.75 0.86
15 B2 1234 1118 135.74 0.09 0.75 0.86
16 B2 1158 1050 8.90 3.28 0.75 0.86
17 B2 984 892 4.12 2.43 0.75 0.86
18 B2 584 529 0.01 2.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12141.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 11004.6 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/Def2TZVPP
ABC
0.32729 0.14413 0.10007

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.771
O2 0.000 0.000 1.936
O3 0.000 1.081 -0.013
O4 0.000 -1.081 -0.013
C5 0.000 0.653 -1.312
C6 0.000 -0.653 -1.312
H7 0.000 1.386 -2.083
H8 0.000 -1.386 -2.083

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.16491.33571.33572.18322.18323.17273.1727
O21.16492.22902.22903.31313.31314.25114.2511
O31.33572.22902.16241.36772.16682.09193.2205
O41.33572.22902.16242.16681.36773.22052.0919
C52.18323.31311.36772.16681.30621.06372.1801
C62.18323.31312.16681.36771.30622.18011.0637
H73.17274.25112.09193.22051.06372.18012.7726
H83.17274.25113.22052.09192.18011.06372.7726

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 107.713 C1 O4 C6 107.713
O2 C1 O3 125.955 O2 C1 O4 125.955
O3 C1 O4 108.089 O3 C5 C6 108.242
O3 C5 H7 118.180 O4 C6 C5 108.242
O4 C6 H8 118.180 C5 C6 H8 133.578
C6 C5 H7 133.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.643      
2 O -0.398      
3 O -0.329      
4 O -0.329      
5 C 0.076      
6 C 0.076      
7 H 0.131      
8 H 0.131      


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 -5.117 5.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.976 0.000 0.000
y 0.000 -32.514 0.000
z 0.000 0.000 -34.066
Traceless
 xyz
x 0.314 0.000 0.000
y 0.000 1.007 0.000
z 0.000 0.000 -1.321
Polar
3z2-r2-2.642
x2-y2-0.462
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.668 0.000 0.000
y 0.000 5.891 0.000
z 0.000 0.000 6.749


<r2> (average value of r2) Å2
<r2> 111.284
(<r2>)1/2 10.549