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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: QCISD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-303.506052
Energy at 298.15K-303.512888
HF Energy-302.599518
Nuclear repulsion energy196.927389
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 QCISD/6-311G**
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 3157 3012 1.11      
2 A 3071 2930 0.46      
3 A 1567 1495 0.01      
4 A 1473 1406 18.63      
5 A 1265 1206 4.25      
6 A 1178 1124 0.15      
7 A 1099 1049 41.43      
8 A 1010 963 50.08      
9 A 886 845 15.99      
10 A 773 738 0.14      
11 A 399 381 6.73      
12 B 3157 3012 49.48      
13 B 3069 2928 136.60      
14 B 1555 1483 4.85      
15 B 1410 1345 2.43      
16 B 1255 1197 6.60      
17 B 1173 1119 18.21      
18 B 1145 1093 195.12      
19 B 1001 955 2.74      
20 B 734 700 3.45      
21 B 175 167 16.97      

Unscaled Zero Point Vibrational Energy (zpe) 15275.1 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 14574.0 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 QCISD/6-311G**
ABC
0.27625 0.27403 0.15444

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.187
C2 0.000 1.117 0.319
C3 0.000 -1.117 0.319
O4 -0.378 -0.614 -0.944
O5 0.378 0.614 -0.944
H6 -1.003 1.558 0.278
H7 1.003 -1.558 0.278
H8 0.761 1.843 0.614
H9 -0.761 -1.843 0.614

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.41441.41442.24922.24922.06372.06372.07472.0747
C21.41442.23382.17581.41061.09672.85691.09263.0705
C31.41442.23381.41062.17582.85691.09673.07051.0926
O42.24922.17581.41061.44262.56922.07133.12462.0206
O52.24921.41062.17581.44262.07132.56922.02063.1246
H62.06371.09672.85692.56922.07133.70571.81883.4259
H72.06372.85691.09672.07132.56923.70573.42591.8188
H82.07471.09263.07053.12462.02061.81883.42593.9881
H92.07473.07051.09262.02063.12463.42591.81883.9881

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.200 O1 C2 H6 109.900
O1 C2 H8 111.049 O1 C3 O5 74.200
O1 C3 H7 109.900 O1 C3 H9 111.049
C2 O1 C3 104.311 C2 O4 O5 39.764
C3 O5 O4 39.764 O4 C2 H6 97.997
O4 C2 H8 143.761 O5 C3 H7 97.997
O5 C3 H9 143.761 H6 C2 H8 112.355
H7 C3 H9 112.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability