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All results from a given calculation for C2H4O3 (1,2,3-trioxolane)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-303.124095
Energy at 298.15K-303.130834
HF Energy-302.429452
Nuclear repulsion energy195.173213
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 CISD/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 A' 3282 3039 32.31      
2 A' 3208 2970 38.09      
3 A' 1623 1503 0.28      
4 A' 1444 1337 0.84      
5 A' 1318 1220 1.44      
6 A' 1122 1039 41.41      
7 A' 1016 941 22.09      
8 A' 1012 937 0.10      
9 A' 913 845 0.67      
10 A' 765 708 1.97      
11 A' 424 393 4.60      
12 A" 3265 3023 0.35      
13 A" 3196 2959 25.70      
14 A" 1604 1485 0.01      
15 A" 1438 1331 3.12      
16 A" 1308 1211 0.00      
17 A" 1230 1139 0.04      
18 A" 1125 1042 5.01      
19 A" 922 854 23.18      
20 A" 781 723 8.46      
21 A" 119 110 3.30      

Unscaled Zero Point Vibrational Energy (zpe) 15557.2 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 14402.9 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 CISD/6-31G*
ABC
0.27873 0.25931 0.15041

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.551 -1.043 0.000
O2 0.137 -0.487 1.091
O3 0.137 -0.487 -1.091
C4 0.137 0.893 0.772
C5 0.137 0.893 -0.772
H6 1.035 1.317 1.209
H7 1.035 1.317 -1.209
H8 -0.746 1.388 1.173
H9 -0.746 1.388 -1.173

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.40491.40492.19572.19573.09063.09062.70682.7068
O21.40492.18161.41632.31842.01843.05792.07393.0691
O31.40492.18162.31841.41633.05792.01843.06912.0739
C42.19571.41632.31841.54421.08532.21651.08862.1927
C52.19572.31841.41631.54422.21651.08532.19271.0886
H63.09062.01843.05791.08532.21652.41881.78312.9756
H73.09063.05792.01842.21651.08532.41882.97561.7831
H82.70682.07393.06911.08862.19271.78312.97562.3462
H92.70683.06912.07392.19271.08862.97561.78312.3462

picture of 1,2,3-trioxolane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 102.207 O1 O3 C5 102.207
O2 O1 O3 101.873 O2 C4 C5 103.005
O2 C4 H6 106.830 O2 C4 H8 111.097
O3 C5 C4 103.005 O3 C5 H7 106.830
O3 C5 H9 111.097 C4 C5 H7 113.761
C4 C5 H9 111.615 C5 C4 H6 113.761
C5 C4 H8 111.615 H6 C4 H8 110.220
H7 C5 H9 110.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability