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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: QCISD/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 QCISD/STO-3G
 hartrees
Energy at 0K-298.929763
Energy at 298.15K-298.936118
HF Energy-298.625643
Nuclear repulsion energy188.462572
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/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 3337 3337 0.09      
2 A 3218 3218 0.04      
3 A 1651 1651 0.03      
4 A 1475 1475 1.50      
5 A 1259 1259 3.60      
6 A 1183 1183 2.57      
7 A 1110 1110 0.10      
8 A 1015 1015 0.06      
9 A 985 985 4.23      
10 A 740 740 0.12      
11 A 330 330 2.72      
12 B 3339 3339 12.94      
13 B 3216 3216 26.03      
14 B 1639 1639 9.64      
15 B 1385 1385 0.18      
16 B 1264 1264 5.98      
17 B 1168 1168 30.60      
18 B 1119 1119 15.21      
19 B 1034 1034 1.99      
20 B 699 699 4.79      
21 B 109 109 10.06      

Unscaled Zero Point Vibrational Energy (zpe) 15636.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15636.4 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/STO-3G
ABC
0.25804 0.24563 0.14030

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.269
C2 0.000 1.154 0.334
C3 0.000 -1.154 0.334
O4 -0.381 -0.629 -1.005
O5 0.381 0.629 -1.005
H6 -1.022 1.635 0.315
H7 1.022 -1.635 0.315
H8 0.771 1.912 0.643
H9 -0.771 -1.912 0.643

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.48471.48472.38972.38972.15092.15092.15392.1539
C21.48472.30792.26261.48821.12982.97041.12413.1759
C31.48472.30791.48822.26262.97041.12983.17591.1241
O42.38972.26261.48821.47142.69842.17363.24042.1244
O52.38971.48822.26261.47142.17362.69842.12443.2404
H62.15091.12982.97042.69842.17363.85641.84353.5705
H72.15092.97041.12982.17362.69843.85643.57051.8435
H82.15391.12413.17593.24042.12441.84353.57054.1222
H92.15393.17591.12412.12443.24043.57051.84354.1222

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 76.111 O1 C2 H6 109.972
O1 C2 H8 110.544 O1 C3 O5 76.111
O1 C3 H7 109.972 O1 C3 H9 110.544
C2 O1 C3 102.015 C2 O4 O5 40.415
C3 O5 O4 40.415 O4 C2 H6 99.975
O4 C2 H8 144.034 O5 C3 H7 99.975
O5 C3 H9 144.034 H6 C2 H8 109.756
H7 C3 H9 109.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability