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

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-60.618288
Energy at 298.15K-60.624375
HF Energy-60.041780
Nuclear repulsion energy102.938773
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 MP2/CEP-121G
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' 3142 3067 35.83      
2 A' 3043 2970 36.92      
3 A' 1525 1489 0.68      
4 A' 1345 1313 0.19      
5 A' 1184 1155 1.71      
6 A' 959 936 1.79      
7 A' 858 837 1.24      
8 A' 855 834 18.26      
9 A' 749 731 1.86      
10 A' 613 598 1.75      
11 A' 329 321 5.38      
12 A" 3121 3046 0.19      
13 A" 3032 2959 22.56      
14 A" 1511 1474 2.29      
15 A" 1350 1318 0.09      
16 A" 1206 1177 0.03      
17 A" 1116 1089 0.41      
18 A" 925 903 0.17      
19 A" 670 654 27.46      
20 A" 623 608 16.74      
21 A" 39 38 4.02      

Unscaled Zero Point Vibrational Energy (zpe) 14097.0 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 13758.7 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 MP2/CEP-121G
ABC
0.24503 0.22948 0.13241

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.547 -1.118 0.000
O2 0.136 -0.491 1.138
O3 0.136 -0.491 -1.138
C4 0.136 0.934 0.793
C5 0.136 0.934 -0.793
H6 1.037 1.366 1.234
H7 1.037 1.366 -1.234
H8 -0.757 1.430 1.190
H9 -0.757 1.430 -1.190

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.46871.46872.30382.30383.19483.19482.82072.8207
O21.46872.27671.46602.39982.06613.14472.11933.1480
O31.46872.27672.39981.46603.14472.06613.14802.1193
C42.30381.46602.39981.58551.09232.25991.09642.2306
C52.30382.39981.46601.58552.25991.09232.23061.0964
H63.19482.06613.14471.09232.25992.46861.79563.0165
H73.19483.14472.06612.25991.09232.46863.01651.7956
H82.82072.11933.14801.09642.23061.79563.01652.3800
H92.82073.14802.11932.23061.09643.01651.79562.3800

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 103.449 O1 O3 C5 103.449
O2 O1 O3 101.630 O2 C4 C5 103.636
O2 C4 H6 106.822 O2 C4 H8 110.774
O3 C5 C4 103.636 O3 C5 H7 106.822
O3 C5 H9 110.774 C4 C5 H7 113.842
C4 C5 H9 111.240 C5 C4 H6 113.842
C5 C4 H8 111.240 H6 C4 H8 110.245
H7 C5 H9 110.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability