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

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-303.315086
Energy at 298.15K-303.321665
HF Energy-302.436401
Nuclear repulsion energy192.308080
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/6-31+G**
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' 3216 3040 26.28      
2 A' 3137 2965 45.05      
3 A' 1566 1481 0.32      
4 A' 1384 1308 0.25      
5 A' 1261 1192 1.84      
6 A' 1035 979 28.51      
7 A' 964 912 16.30      
8 A' 900 851 3.60      
9 A' 881 833 0.80      
10 A' 707 668 1.26      
11 A' 418 396 4.34      
12 A" 3199 3024 0.24      
13 A" 3127 2956 21.45      
14 A" 1549 1465 0.24      
15 A" 1380 1305 1.48      
16 A" 1250 1182 0.06      
17 A" 1177 1113 0.01      
18 A" 1043 986 2.52      
19 A" 765 723 41.08      
20 A" 725 686 0.08      
21 A" 123 116 3.84      

Unscaled Zero Point Vibrational Energy (zpe) 14903.9 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 14090.2 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/6-31+G**
ABC
0.27117 0.25107 0.14653

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.564 -1.054 0.000
O2 0.140 -0.490 1.106
O3 0.140 -0.490 -1.106
C4 0.140 0.902 0.777
C5 0.140 0.902 -0.777
H6 1.043 1.325 1.214
H7 1.043 1.325 -1.214
H8 -0.746 1.401 1.177
H9 -0.746 1.401 -1.177

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.42651.42652.21892.21893.11653.11652.72822.7282
O21.42652.21121.43022.34162.03043.08062.08933.0936
O31.42652.21122.34161.43023.08062.03043.09362.0893
C42.21891.43022.34161.55461.08842.22681.09232.2029
C52.21892.34161.43021.55462.22681.08842.20291.0923
H63.11652.03043.08061.08842.22682.42751.79032.9866
H73.11653.08062.03042.22681.08842.42752.98661.7903
H82.72822.08933.09361.09232.20291.79032.98662.3541
H92.72823.09362.08932.20291.09232.98661.79032.3541

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 101.924 O1 O3 C5 101.924
O2 O1 O3 101.615 O2 C4 C5 103.269
O2 C4 H6 106.655 O2 C4 H8 111.138
O3 C5 C4 103.269 O3 C5 H7 106.655
O3 C5 H9 111.138 C4 C5 H7 113.639
C4 C5 H9 111.466 C5 C4 H6 113.639
C5 C4 H8 111.466 H6 C4 H8 110.366
H7 C5 H9 110.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability