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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-303.474353
Energy at 298.15K-303.481180
HF Energy-302.592970
Nuclear repulsion energy196.883008
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 3149 3015 1.14      
2 A 3061 2930 0.49      
3 A 1569 1502 0.08      
4 A 1464 1402 15.79      
5 A 1262 1208 3.87      
6 A 1178 1128 0.15      
7 A 1096 1050 41.59      
8 A 1008 965 54.16      
9 A 884 846 16.73      
10 A 773 740 0.20      
11 A 402 385 7.10      
12 B 3149 3014 50.57      
13 B 3059 2928 134.33      
14 B 1557 1491 3.10      
15 B 1403 1343 2.35      
16 B 1254 1201 6.52      
17 B 1171 1121 15.78      
18 B 1144 1095 195.45      
19 B 998 955 3.01      
20 B 735 703 3.34      
21 B 177 169 17.99      

Unscaled Zero Point Vibrational Energy (zpe) 15245.9 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 14596.4 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
0.27613 0.27391 0.15441

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 -0.379 -0.614 -0.944
O5 0.379 0.614 -0.944
H6 -1.004 1.558 0.276
H7 1.004 -1.558 0.276
H8 0.762 1.843 0.614
H9 -0.762 -1.843 0.614

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.41461.41462.24962.24962.06492.06492.07512.0751
C21.41462.23392.17611.41071.09742.85711.09343.0709
C31.41462.23391.41072.17612.85711.09743.07091.0934
O42.24962.17611.41071.44342.56842.07113.12552.0210
O52.24961.41072.17611.44342.07112.56842.02103.1255
H62.06491.09742.85712.56842.07113.70631.82093.4260
H72.06492.85711.09742.07112.56843.70633.42601.8209
H82.07511.09343.07093.12552.02101.82093.42603.9890
H92.07513.07091.09342.02103.12553.42601.82093.9890

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.206 O1 C2 H6 109.933
O1 C2 H8 111.015 O1 C3 O5 74.206
O1 C3 H7 109.933 O1 C3 H9 111.015
C2 O1 C3 104.294 C2 O4 O5 39.767
C3 O5 O4 39.767 O4 C2 H6 97.908
O4 C2 H8 143.761 O5 C3 H7 97.908
O5 C3 H9 143.761 H6 C2 H8 112.437
H7 C3 H9 112.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability