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

using model chemistry: QCISD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-303.461553
Energy at 298.15K-303.468180
HF Energy-302.536076
Nuclear repulsion energy193.355095
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 QCISD/TZVP
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' 3182 3040 28.70      
2 A' 3104 2965 46.40      
3 A' 1551 1482 0.25      
4 A' 1388 1326 0.43      
5 A' 1270 1214 1.36      
6 A' 1037 991 32.13      
7 A' 962 919 13.74      
8 A' 921 880 4.31      
9 A' 879 840 1.09      
10 A' 716 684 1.93      
11 A' 423 404 4.34      
12 A" 3165 3024 0.58      
13 A" 3094 2956 23.34      
14 A" 1533 1464 0.28      
15 A" 1380 1318 1.06      
16 A" 1237 1182 0.00      
17 A" 1185 1132 0.00      
18 A" 1050 1003 2.69      
19 A" 787 751 35.31      
20 A" 734 701 1.34      
21 A" 127 122 3.77      

Unscaled Zero Point Vibrational Energy (zpe) 14862.0 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 14197.7 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 QCISD/TZVP
ABC
0.27455 0.25346 0.14806

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.563 -1.042 0.000
O2 0.140 -0.491 1.101
O3 0.140 -0.491 -1.101
C4 0.140 0.896 0.776
C5 0.140 0.896 -0.776
H6 1.042 1.323 1.210
H7 1.042 1.323 -1.210
H8 -0.747 1.396 1.173
H9 -0.747 1.396 -1.173

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.41751.41752.20242.20243.10373.10372.71152.7115
O21.41752.20141.42422.33372.02883.07312.08633.0848
O31.41752.20142.33371.42423.07312.02883.08482.0863
C42.20241.42422.33371.55251.08852.22311.09252.1989
C52.20242.33371.42421.55252.22311.08852.19891.0925
H63.10372.02883.07311.08852.22312.42021.79082.9805
H73.10373.07312.02882.22311.08852.42022.98051.7908
H82.71152.08633.08481.09252.19891.79082.98052.3456
H92.71153.08482.08632.19891.09252.98051.79082.3456

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 101.617 O1 O3 C5 101.617
O2 O1 O3 101.886 O2 C4 C5 103.167
O2 C4 H6 106.930 O2 C4 H8 111.305
O3 C5 C4 103.167 O3 C5 H7 106.930
O3 C5 H9 111.305 C4 C5 H7 113.488
C4 C5 H9 111.283 C5 C4 H6 113.488
C5 C4 H8 111.283 H6 C4 H8 110.386
H7 C5 H9 110.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability