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

using model chemistry: MP2/aug-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/aug-cc-pVQZ
 hartrees
Energy at 0K-303.706138
Energy at 298.15K-303.712677
HF Energy-302.566889
Nuclear repulsion energy193.834306
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/aug-cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3196 3035 14.58      
2 A' 3109 2952 41.25      
3 A' 1532 1455 0.29      
4 A' 1349 1281 0.64      
5 A' 1252 1189 2.29      
6 A' 1018 966 29.63      
7 A' 964 916 11.70      
8 A' 893 849 1.99      
9 A' 870 826 0.40      
10 A' 708 672 1.42      
11 A' 413 392 4.41      
12 A" 3179 3019 0.05      
13 A" 3101 2945 12.92      
14 A" 1516 1440 2.01      
15 A" 1365 1296 0.60      
16 A" 1240 1178 0.00      
17 A" 1164 1106 0.15      
18 A" 1042 990 0.46      
19 A" 747 709 37.36      
20 A" 709 674 9.36      
21 A" 110 105 3.36      

Unscaled Zero Point Vibrational Energy (zpe) 14738.0 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 13996.7 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/aug-cc-pVQZ
ABC
0.27593 0.25476 0.14873

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.559 -1.042 0.000
O2 0.139 -0.488 1.098
O3 0.139 -0.488 -1.098
C4 0.139 0.894 0.773
C5 0.139 0.894 -0.773
H6 1.040 1.316 1.206
H7 1.040 1.316 -1.206
H8 -0.745 1.391 1.168
H9 -0.745 1.391 -1.168

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.41441.41442.19872.19873.09393.09392.70602.7060
O21.41442.19591.41922.32602.01903.06132.07803.0738
O31.41442.19592.32601.41923.06132.01903.07382.0780
C42.19871.41922.32601.54661.08512.21511.08872.1906
C52.19872.32601.41921.54662.21511.08512.19061.0887
H63.09392.01903.06131.08512.21512.41141.78762.9714
H73.09393.06132.01902.21511.08512.41142.97141.7876
H82.70602.07803.07381.08872.19061.78762.97142.3363
H92.70603.07382.07802.19061.08872.97141.78762.3363

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 101.780 O1 O3 C5 101.780
O2 O1 O3 101.838 O2 C4 C5 103.223
O2 C4 H6 106.693 O2 C4 H8 111.217
O3 C5 C4 103.223 O3 C5 H7 106.693
O3 C5 H9 111.217 C4 C5 H7 113.485
C4 C5 H9 111.266 C5 C4 H6 113.485
C5 C4 H8 111.266 H6 C4 H8 110.641
H7 C5 H9 110.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability