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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: MP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-298.861938
Energy at 298.15K-298.868387
HF Energy-298.631641
Nuclear repulsion energy189.967813
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 MP2/STO-3G
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 3446 3005 0.06      
2 A 3315 2890 0.01      
3 A 1698 1481 0.10      
4 A 1517 1323 2.52      
5 A 1299 1133 3.88      
6 A 1244 1085 2.82      
7 A 1150 1003 0.13      
8 A 1061 925 0.46      
9 A 1023 892 6.47      
10 A 760 663 0.13      
11 A 330 288 2.99      
12 B 3449 3007 12.27      
13 B 3313 2888 28.10      
14 B 1686 1470 11.98      
15 B 1421 1239 0.03      
16 B 1298 1132 5.92      
17 B 1207 1052 40.61      
18 B 1157 1009 17.73      
19 B 1071 934 2.43      
20 B 724 631 5.05      
21 B 115 100 10.80      

Unscaled Zero Point Vibrational Energy (zpe) 16142.5 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 14074.7 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 MP2/STO-3G
ABC
0.26235 0.24959 0.14226

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.259
C2 0.000 1.146 0.333
C3 0.000 -1.146 0.333
O4 -0.370 -0.626 -0.999
O5 0.370 0.626 -0.999
H6 -1.013 1.628 0.320
H7 1.013 -1.628 0.320
H8 0.770 1.895 0.637
H9 -0.770 -1.895 0.637

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.47271.47272.37172.37172.13522.13522.13832.1383
C21.47272.29102.24711.47661.12262.95311.11683.1515
C31.47272.29101.47662.24712.95311.12263.15151.1168
O42.37172.24711.47661.45422.69002.15783.21432.1085
O52.37171.47662.24711.45422.15782.69002.10853.2143
H62.13521.12262.95312.69002.15783.83571.83073.5463
H72.13522.95311.12262.15782.69003.83573.54631.8307
H82.13831.11683.15153.21432.10851.83073.54634.0917
H92.13833.15151.11682.10853.21433.54631.83074.0917

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 76.069 O1 C2 H6 109.988
O1 C2 H8 110.584 O1 C3 O5 76.069
O1 C3 H7 109.988 O1 C3 H9 110.584
C2 O1 C3 102.128 C2 O4 O5 40.309
C3 O5 O4 40.309 O4 C2 H6 100.581
O4 C2 H8 143.506 O5 C3 H7 100.581
O5 C3 H9 143.506 H6 C2 H8 109.675
H7 C3 H9 109.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability