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All results from a given calculation for C2H4O3 (trioxolane124)

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 C2 1A
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-303.209905
Energy at 298.15K-303.216810
HF Energy-302.522610
Nuclear repulsion energy198.013412
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 3275 3032 1.49      
2 A 3192 2955 0.70      
3 A 1644 1522 0.04      
4 A 1525 1411 23.61      
5 A 1307 1210 4.58      
6 A 1230 1138 1.47      
7 A 1169 1082 48.38      
8 A 1060 981 38.94      
9 A 974 901 34.74      
10 A 804 744 0.19      
11 A 394 364 6.62      
12 B 3276 3032 56.48      
13 B 3188 2951 121.89      
14 B 1631 1510 9.76      
15 B 1454 1346 4.17      
16 B 1299 1203 6.55      
17 B 1222 1132 22.09      
18 B 1208 1119 212.64      
19 B 1055 977 3.92      
20 B 764 707 3.61      
21 B 179 166 20.68      

Unscaled Zero Point Vibrational Energy (zpe) 15923.4 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 14741.9 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
0.28046 0.27621 0.15567

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.175
C2 0.000 1.116 0.320
C3 0.000 -1.116 0.320
O4 -0.365 -0.613 -0.940
O5 0.365 0.613 -0.940
H6 -0.992 1.563 0.287
H7 0.992 -1.563 0.287
H8 0.759 1.833 0.615
H9 -0.759 -1.833 0.615

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.40551.40552.23182.23182.05332.05332.06172.0617
C21.40552.23212.17061.40531.08882.85741.08523.0598
C31.40552.23211.40532.17062.85741.08883.05981.0852
O42.23182.17061.40531.42732.57612.06213.10922.0155
O52.23181.40532.17061.42732.06212.57612.01553.1092
H62.05331.08882.85742.57612.06213.70331.80203.4204
H72.05332.85741.08882.06212.57613.70333.42041.8020
H82.06171.08523.05983.10922.01551.80203.42043.9686
H92.06173.05981.08522.01553.10923.42041.80203.9686

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 73.763 O1 C2 H6 110.158
O1 C2 H8 111.087 O1 C3 O5 73.763
O1 C3 H7 110.158 O1 C3 H9 111.087
C2 O1 C3 105.132 C2 O4 O5 39.604
C3 O5 O4 39.604 O4 C2 H6 98.995
O4 C2 H8 143.317 O5 C3 H7 98.995
O5 C3 H9 143.317 H6 C2 H8 111.967
H7 C3 H9 111.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability