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

using model chemistry: CCSD=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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-303.277684
Energy at 298.15K-303.284259
HF Energy-302.423837
Nuclear repulsion energy192.686720
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 CCSD=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' 3176 3017 30.82      
2 A' 3103 2948 37.29      
3 A' 1571 1492 0.18      
4 A' 1387 1317 0.48      
5 A' 1272 1208 0.93      
6 A' 1054 1001 32.68      
7 A' 977 928 12.00      
8 A' 913 867 3.03      
9 A' 887 842 0.70      
10 A' 717 681 1.40      
11 A' 415 394 4.46      
12 A" 3160 3001 0.28      
13 A" 3093 2938 24.23      
14 A" 1553 1475 0.04      
15 A" 1383 1313 3.85      
16 A" 1259 1196 0.07      
17 A" 1184 1125 0.00      
18 A" 1063 1010 3.07      
19 A" 783 744 35.23      
20 A" 737 700 0.42      
21 A" 114 109 3.60      

Unscaled Zero Point Vibrational Energy (zpe) 14900.1 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 14152.1 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 CCSD=FULL/6-31G*
ABC
0.27265 0.25181 0.14728

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.566 -1.049 0.000
O2 0.140 -0.490 1.104
O3 0.140 -0.490 -1.104
C4 0.140 0.898 0.777
C5 0.140 0.898 -0.777
H6 1.047 1.324 1.216
H7 1.047 1.324 -1.216
H8 -0.747 1.403 1.178
H9 -0.747 1.403 -1.178

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.42491.42492.21172.21173.11573.11572.72562.7256
O21.42492.20891.42652.33802.03113.08152.09203.0951
O31.42492.20892.33801.42653.08152.03113.09512.0920
C42.21171.42652.33801.55341.09332.22981.09702.2051
C52.21172.33801.42651.55342.22981.09332.20511.0970
H63.11572.03113.08151.09332.22982.43121.79602.9920
H73.11573.08152.03112.22981.09332.43122.99201.7960
H82.72562.09203.09511.09702.20511.79602.99202.3555
H92.72563.09512.09202.20511.09702.99201.79602.3555

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 101.733 O1 O3 C5 101.733
O2 O1 O3 101.630 O2 C4 C5 103.282
O2 C4 H6 106.677 O2 C4 H8 111.326
O3 C5 C4 103.282 O3 C5 H7 106.677
O3 C5 H9 111.326 C4 C5 H7 113.668
C4 C5 H9 111.442 C5 C4 H6 113.668
C5 C4 H8 111.442 H6 C4 H8 110.168
H7 C5 H9 110.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability