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

using model chemistry: MP2/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-303.694603
Energy at 298.15K-303.701149
HF Energy-302.565770
Nuclear repulsion energy193.955961
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/cc-pVQZ
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 3033 16.60      
2 A' 3112 2951 41.71      
3 A' 1533 1454 0.25      
4 A' 1352 1282 0.41      
5 A' 1254 1190 2.08      
6 A' 1023 970 29.98      
7 A' 967 917 10.79      
8 A' 897 851 1.94      
9 A' 872 827 0.61      
10 A' 710 673 1.43      
11 A' 413 392 4.23      
12 A" 3181 3017 0.07      
13 A" 3103 2943 14.88      
14 A" 1517 1439 1.58      
15 A" 1367 1296 0.79      
16 A" 1241 1177 0.00      
17 A" 1167 1107 0.15      
18 A" 1047 993 0.71      
19 A" 749 710 37.90      
20 A" 713 676 8.61      
21 A" 110 105 3.51      

Unscaled Zero Point Vibrational Energy (zpe) 14761.6 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 13999.9 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/cc-pVQZ
ABC
0.27644 0.25495 0.14891

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.560 -1.041 0.000
O2 0.139 -0.488 1.098
O3 0.139 -0.488 -1.098
C4 0.139 0.893 0.773
C5 0.139 0.893 -0.773
H6 1.040 1.315 1.204
H7 1.040 1.315 -1.204
H8 -0.744 1.392 1.167
H9 -0.744 1.392 -1.167

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.41411.41412.19662.19663.09213.09212.70462.7046
O21.41412.19601.41822.32502.01833.05992.07793.0728
O31.41412.19602.32501.41823.05992.01833.07282.0779
C42.19661.41822.32501.54571.08462.21341.08832.1889
C52.19662.32501.41821.54572.21341.08462.18891.0883
H63.09212.01833.05991.08462.21342.40851.78632.9684
H73.09213.05992.01832.21341.08462.40852.96841.7863
H82.70462.07793.07281.08832.18891.78632.96842.3336
H92.70463.07282.07792.18891.08832.96841.78632.3336

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 101.708 O1 O3 C5 101.708
O2 O1 O3 101.877 O2 C4 C5 103.255
O2 C4 H6 106.739 O2 C4 H8 111.309
O3 C5 C4 103.255 O3 C5 H7 106.739
O3 C5 H9 111.309 C4 C5 H7 113.438
C4 C5 H9 111.222 C5 C4 H6 113.438
C5 C4 H8 111.222 H6 C4 H8 110.580
H7 C5 H9 110.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability