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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-61.008087
Energy at 298.15K-61.014575
HF Energy-60.180728
Nuclear repulsion energy107.095899
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' 3199 3048 33.31      
2 A' 3108 2961 47.46      
3 A' 1551 1478 0.17      
4 A' 1365 1300 0.06      
5 A' 1244 1185 1.32      
6 A' 1008 961 29.31      
7 A' 953 908 12.97      
8 A' 876 834 2.00      
9 A' 867 826 1.13      
10 A' 690 657 1.55      
11 A' 406 387 4.75      
12 A" 3181 3031 0.02      
13 A" 3099 2952 24.29      
14 A" 1534 1462 0.71      
15 A" 1354 1290 0.35      
16 A" 1220 1163 0.03      
17 A" 1167 1111 0.17      
18 A" 1032 983 0.52      
19 A" 733 698 43.63      
20 A" 699 666 5.87      
21 A" 111 106 4.36      

Unscaled Zero Point Vibrational Energy (zpe) 14698.0 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 14004.2 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
0.26848 0.24661 0.14473

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 -0.567 -1.056 0.000
O2 0.141 -0.492 1.115
O3 0.141 -0.492 -1.115
C4 0.141 0.905 0.783
C5 0.141 0.905 -0.783
H6 1.048 1.327 1.222
H7 1.048 1.327 -1.222
H8 -0.749 1.406 1.183
H9 -0.749 1.406 -1.183

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.43591.43592.22682.22683.12703.12702.73782.7378
O21.43592.22961.43552.35682.03553.09692.09763.1106
O31.43592.22962.35681.43553.09692.03553.11062.0976
C42.22681.43552.35681.56691.09242.24091.09652.2159
C52.22682.35681.43551.56692.24091.09242.21591.0965
H63.12702.03553.09691.09242.24092.44311.79863.0027
H73.12703.09692.03552.24091.09242.44313.00271.7986
H82.73782.09763.11061.09652.21591.79863.00272.3663
H92.73783.11062.09762.21591.09653.00271.79862.3663

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 101.701 O1 O3 C5 101.701
O2 O1 O3 101.867 O2 C4 C5 103.345
O2 C4 H6 106.472 O2 C4 H8 111.170
O3 C5 C4 103.345 O3 C5 H7 106.472
O3 C5 H9 111.170 C4 C5 H7 113.644
C4 C5 H9 111.378 C5 C4 H6 113.644
C5 C4 H8 111.378 H6 C4 H8 110.514
H7 C5 H9 110.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability