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

using model chemistry: MP2=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-303.282362
Energy at 298.15K-303.288868
HF Energy-302.428582
Nuclear repulsion energy192.424019
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/6-31G**
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' 3243 3030 28.21      
2 A' 3154 2947 38.09      
3 A' 1574 1471 0.40      
4 A' 1380 1290 0.34      
5 A' 1267 1183 1.14      
6 A' 1031 964 27.65      
7 A' 973 909 10.82      
8 A' 888 830 0.58      
9 A' 875 818 1.70      
10 A' 703 657 1.54      
11 A' 407 380 4.55      
12 A" 3227 3015 0.01      
13 A" 3146 2940 21.55      
14 A" 1557 1455 0.04      
15 A" 1384 1293 0.92      
16 A" 1257 1174 0.00      
17 A" 1178 1100 0.04      
18 A" 1056 986 1.17      
19 A" 745 697 29.56      
20 A" 697 652 14.51      
21 A" 102 95 4.03      

Unscaled Zero Point Vibrational Energy (zpe) 14922.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 13943.3 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/6-31G**
ABC
0.27253 0.25039 0.14692

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.568 -1.049 0.000
O2 0.141 -0.489 1.108
O3 0.141 -0.489 -1.108
C4 0.141 0.897 0.776
C5 0.141 0.897 -0.776
H6 1.042 1.320 1.209
H7 1.042 1.320 -1.209
H8 -0.741 1.403 1.169
H9 -0.741 1.403 -1.169

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.42961.42962.21182.21183.10953.10952.72212.7221
O21.42962.21601.42532.33852.02383.07492.08813.0890
O31.42962.21602.33851.42533.07492.02383.08902.0881
C42.21181.42532.33851.55121.08632.22061.09032.1945
C52.21182.33851.42531.55122.22061.08632.19451.0903
H63.10952.02383.07491.08632.22062.41831.78612.9741
H73.10953.07492.02382.22061.08632.41832.97411.7861
H82.72212.08813.08901.09032.19451.78612.97412.3384
H92.72213.08902.08812.19451.09032.97411.78612.3384

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 101.566 O1 O3 C5 101.566
O2 O1 O3 101.620 O2 C4 C5 103.487
O2 C4 H6 106.598 O2 C4 H8 111.517
O3 C5 C4 103.487 O3 C5 H7 106.598
O3 C5 H9 111.517 C4 C5 H7 113.525
C4 C5 H9 111.164 C5 C4 H6 113.525
C5 C4 H8 111.164 H6 C4 H8 110.293
H7 C5 H9 110.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability