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All results from a given calculation for C2H4O3 (1,2,3-trioxolane)

using model chemistry: QCISD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G**
 hartrees
Energy at 0K-303.296209
Energy at 298.15K-303.302787
HF Energy-302.429772
Nuclear repulsion energy192.539983
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**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3214 3026 35.40      
2 A' 3136 2952 42.98      
3 A' 1576 1484 0.60      
4 A' 1388 1307 1.36      
5 A' 1269 1195 1.09      
6 A' 1044 983 31.02      
7 A' 970 913 12.93      
8 A' 907 854 2.63      
9 A' 884 833 1.22      
10 A' 711 669 1.49      
11 A' 415 391 4.17      
12 A" 3198 3010 0.30      
13 A" 3126 2943 27.09      
14 A" 1558 1467 0.04      
15 A" 1383 1302 2.50      
16 A" 1258 1184 0.04      
17 A" 1181 1111 0.00      
18 A" 1053 991 3.28      
19 A" 770 725 36.79      
20 A" 731 688 0.00      
21 A" 118 111 3.66      

Unscaled Zero Point Vibrational Energy (zpe) 14944.6 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 14068.8 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**
ABC
0.27229 0.25123 0.14699

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.566 -1.049 0.000
O2 0.140 -0.491 1.106
O3 0.140 -0.491 -1.106
C4 0.140 0.899 0.777
C5 0.140 0.899 -0.777
H6 1.042 1.325 1.212
H7 1.042 1.325 -1.212
H8 -0.743 1.405 1.173
H9 -0.743 1.405 -1.173

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.42631.42632.21292.21293.11313.11312.72542.7254
O21.42632.21211.42792.34022.03003.07962.09233.0931
O31.42632.21212.34021.42793.07962.03003.09312.0923
C42.21291.42792.34021.55411.08822.22531.09222.1997
C52.21292.34021.42791.55412.22531.08822.19971.0922
H63.11312.03003.07961.08822.22532.42441.78732.9802
H73.11313.07962.03002.22531.08822.42442.98021.7873
H82.72542.09233.09311.09222.19971.78732.98022.3459
H92.72543.09312.09232.19971.09222.98021.78732.3459

picture of 1,2,3-trioxolane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 101.663 O1 O3 C5 101.663
O2 O1 O3 101.689 O2 C4 C5 103.320
O2 C4 H6 106.787 O2 C4 H8 111.554
O3 C5 C4 103.320 O3 C5 H7 106.787
O3 C5 H9 111.554 C4 C5 H7 113.570
C4 C5 H9 111.252 C5 C4 H6 113.570
C5 C4 H8 111.252 H6 C4 H8 110.111
H7 C5 H9 110.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability