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

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-303.474614
Energy at 298.15K-303.481261
HF Energy-302.457757
Nuclear repulsion energy194.166576
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/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' 3190 3022 24.05      
2 A' 3112 2949 36.49      
3 A' 1547 1466 0.22      
4 A' 1378 1305 0.14      
5 A' 1271 1204 1.55      
6 A' 1051 995 34.39      
7 A' 973 922 10.08      
8 A' 933 884 2.18      
9 A' 875 829 0.56      
10 A' 729 691 1.43      
11 A' 427 405 3.96      
12 A" 3172 3005 0.27      
13 A" 3102 2939 22.01      
14 A" 1531 1450 0.04      
15 A" 1381 1308 2.33      
16 A" 1253 1187 0.02      
17 A" 1182 1120 0.03      
18 A" 1061 1005 2.80      
19 A" 792 750 33.85      
20 A" 744 705 1.22      
21 A" 131 124 3.13      

Unscaled Zero Point Vibrational Energy (zpe) 14917.5 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 14132.8 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/6-31G(2df,p)
ABC
0.27684 0.25549 0.14953

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.568 -1.031 0.000
O2 0.141 -0.492 1.094
O3 0.141 -0.492 -1.094
C4 0.141 0.892 0.776
C5 0.141 0.892 -0.776
H6 1.045 1.317 1.212
H7 1.045 1.317 -1.212
H8 -0.745 1.396 1.174
H9 -0.745 1.396 -1.174

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.41041.41042.19192.19193.09603.09602.70182.7018
O21.41042.18731.42032.32672.02623.06692.08683.0810
O31.41042.18732.32671.42033.06692.02623.08102.0868
C42.19191.42032.32671.55271.09002.22501.09362.2007
C52.19192.32671.42031.55272.22501.09002.20071.0936
H63.09602.02623.06691.09002.22502.42331.79192.9838
H73.09603.06692.02622.22501.09002.42332.98381.7919
H82.70182.08683.08101.09362.20071.79192.98382.3489
H92.70183.08102.08682.20071.09362.98381.79192.3489

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 101.487 O1 O3 C5 101.487
O2 O1 O3 101.689 O2 C4 C5 102.908
O2 C4 H6 106.901 O2 C4 H8 111.563
O3 C5 C4 102.908 O3 C5 H7 106.901
O3 C5 H9 111.563 C4 C5 H7 113.539
C4 C5 H9 111.347 C5 C4 H6 113.539
C5 C4 H8 111.347 H6 C4 H8 110.301
H7 C5 H9 110.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability