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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-303.443336
Energy at 298.15K-303.449891
HF Energy-302.456042
Nuclear repulsion energy193.724116
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 MP2/6-31G(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' 3215 3036 17.94      
2 A' 3127 2953 32.58      
3 A' 1539 1454 0.19      
4 A' 1359 1284 0.03      
5 A' 1261 1191 1.51      
6 A' 1030 973 30.81      
7 A' 972 918 7.54      
8 A' 892 843 0.87      
9 A' 872 824 0.73      
10 A' 715 675 1.47      
11 A' 417 394 4.23      
12 A" 3197 3020 0.01      
13 A" 3119 2946 17.49      
14 A" 1523 1439 0.28      
15 A" 1371 1295 1.18      
16 A" 1244 1175 0.00      
17 A" 1173 1108 0.08      
18 A" 1055 996 0.98      
19 A" 748 706 27.75      
20 A" 702 663 13.75      
21 A" 118 111 3.51      

Unscaled Zero Point Vibrational Energy (zpe) 14824.3 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 14001.5 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 MP2/6-31G(2df,p)
ABC
0.27624 0.25372 0.14899

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.570 -1.032 0.000
O2 0.141 -0.491 1.097
O3 0.141 -0.491 -1.097
C4 0.141 0.891 0.776
C5 0.141 0.891 -0.776
H6 1.046 1.314 1.210
H7 1.046 1.314 -1.210
H8 -0.743 1.396 1.172
H9 -0.743 1.396 -1.172

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.41531.41532.19302.19303.09553.09552.70192.7019
O21.41532.19431.41952.32822.02233.06612.08573.0811
O31.41532.19432.32821.41953.06612.02233.08112.0857
C42.19301.41952.32821.55191.08912.22311.09282.1980
C52.19302.32821.41951.55192.22311.08912.19801.0928
H63.09552.02233.06611.08912.22312.42021.79222.9806
H73.09553.06612.02232.22311.08912.42022.98061.7922
H82.70192.08573.08111.09282.19801.79222.98062.3437
H92.70193.08112.08572.19801.09282.98061.79222.3437

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 101.357 O1 O3 C5 101.357
O2 O1 O3 101.655 O2 C4 C5 103.079
O2 C4 H6 106.706 O2 C4 H8 111.582
O3 C5 C4 103.079 O3 C5 H7 106.706
O3 C5 H9 111.582 C4 C5 H7 113.494
C4 C5 H9 111.241 C5 C4 H6 113.494
C5 C4 H8 111.241 H6 C4 H8 110.450
H7 C5 H9 110.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability