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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: QCISD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-303.554505
Energy at 298.15K-303.561312
HF Energy-302.550801
Nuclear repulsion energy197.254894
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/6-31G(2df,p)
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 3164 2997 0.98      
2 A 3081 2919 0.51      
3 A 1567 1485 0.00      
4 A 1464 1387 12.40      
5 A 1263 1197 3.59      
6 A 1180 1118 0.03      
7 A 1102 1044 37.52      
8 A 1017 963 48.61      
9 A 891 844 14.03      
10 A 773 732 0.35      
11 A 392 372 5.94      
12 B 3164 2997 41.79      
13 B 3079 2917 113.72      
14 B 1554 1472 5.15      
15 B 1404 1330 4.07      
16 B 1253 1188 5.06      
17 B 1173 1111 13.18      
18 B 1146 1085 182.34      
19 B 1001 948 2.56      
20 B 732 693 2.50      
21 B 165 157 15.84      

Unscaled Zero Point Vibrational Energy (zpe) 15281.7 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 14477.9 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 QCISD/6-31G(2df,p)
ABC
0.27710 0.27496 0.15508

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.184
C2 0.000 1.114 0.318
C3 0.000 -1.114 0.318
O4 -0.380 -0.613 -0.942
O5 0.380 0.613 -0.942
H6 -1.000 1.557 0.277
H7 1.000 -1.557 0.277
H8 0.757 1.841 0.616
H9 -0.757 -1.841 0.616

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.41121.41122.24512.24512.06152.06152.07042.0704
C21.41122.22782.17081.40831.09522.85291.09143.0650
C31.41122.22781.40832.17082.85291.09523.06501.0914
O42.24512.17081.40831.44222.56502.07023.12112.0193
O52.24511.40832.17081.44222.07022.56502.01933.1211
H62.06151.09522.85292.56502.07023.70231.81253.4240
H72.06152.85291.09522.07022.56503.70233.42401.8125
H82.07041.09143.06503.12112.01931.81253.42403.9816
H92.07043.06501.09142.01933.12113.42401.81253.9816

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.247 O1 C2 H6 110.037
O1 C2 H8 111.003 O1 C3 O5 74.247
O1 C3 H7 110.037 O1 C3 H9 111.003
C2 O1 C3 104.252 C2 O4 O5 39.820
C3 O5 O4 39.820 O4 C2 H6 98.065
O4 C2 H8 144.086 O5 C3 H7 98.065
O5 C3 H9 144.086 H6 C2 H8 111.982
H7 C3 H9 111.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability