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

using model chemistry: MP2=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-301.345768
Energy at 298.15K 
HF Energy-300.769416
Nuclear repulsion energy185.061312
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=FULL/3-21G
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' 3205 3061 28.88      
2 A' 3130 2989 21.13      
3 A' 1601 1528 0.22      
4 A' 1353 1292 0.27      
5 A' 1230 1175 2.77      
6 A' 935 892 2.91      
7 A' 892 852 3.32      
8 A' 888 848 7.82      
9 A' 849 810 1.49      
10 A' 625 596 1.50      
11 A' 337 322 5.36      
12 A" 3184 3040 0.09      
13 A" 3120 2979 20.54      
14 A" 1584 1512 0.30      
15 A" 1380 1318 5.05      
16 A" 1275 1218 0.25      
17 A" 1132 1080 0.07      
18 A" 954 911 5.58      
19 A" 779 744 23.32      
20 A" 685 654 6.53      
21 A" 40i 39i 3.47      

Unscaled Zero Point Vibrational Energy (zpe) 14548.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 13890.7 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=FULL/3-21G
ABC
0.25050 0.23220 0.13588

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.560 -1.107 0.000
O2 0.139 -0.489 1.143
O3 0.139 -0.489 -1.143
C4 0.139 0.925 0.787
C5 0.139 0.925 -0.787
H6 1.039 1.360 1.218
H7 1.039 1.360 -1.218
H8 -0.748 1.430 1.174
H9 -0.748 1.430 -1.174

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.47561.47562.28912.28913.18243.18242.80182.8018
O21.47562.28531.45802.39252.05763.13032.11383.1360
O31.47562.28532.39251.45803.13032.05763.13602.1138
C42.28911.45802.39251.57471.08772.24001.09112.2110
C52.28912.39251.45801.57472.24001.08772.21101.0911
H63.18242.05763.13031.08772.24002.43521.78802.9859
H73.18243.13032.05762.24001.08772.43522.98591.7880
H82.80182.11383.13601.09112.21101.78802.98592.3483
H92.80183.13602.11382.21101.09112.98591.78802.3483

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 102.579 O1 O3 C5 102.579
O2 O1 O3 101.489 O2 C4 C5 104.105
O2 C4 H6 106.952 O2 C4 H8 111.224
O3 C5 C4 104.105 O3 C5 H7 106.952
O3 C5 H9 111.224 C4 C5 H7 113.301
C4 C5 H9 110.764 C5 C4 H6 113.301
C5 C4 H8 110.764 H6 C4 H8 110.287
H7 C5 H9 110.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability