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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: MP2/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-303.441898
Energy at 298.15K-303.448601
HF Energy-302.562237
Nuclear repulsion energy194.731598
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/aug-cc-pVDZ
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 3184 3053 0.03      
2 A 3086 2960 0.41      
3 A 1522 1460 0.00      
4 A 1404 1347 6.90      
5 A 1220 1170 4.50      
6 A 1137 1091 0.35      
7 A 1043 1000 33.74      
8 A 958 919 74.73      
9 A 805 772 8.75      
10 A 733 703 0.75      
11 A 383 367 7.06      
12 B 3183 3053 27.39      
13 B 3085 2958 108.81      
14 B 1513 1451 1.30      
15 B 1363 1307 3.56      
16 B 1213 1164 5.53      
17 B 1132 1085 10.58      
18 B 1083 1039 176.69      
19 B 945 906 9.07      
20 B 689 661 2.21      
21 B 171 164 18.61      

Unscaled Zero Point Vibrational Energy (zpe) 14925.6 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 14313.7 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 MP2/aug-cc-pVDZ
ABC
0.27030 0.26718 0.15160

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.200
C2 0.000 1.127 0.318
C3 0.000 -1.127 0.318
O4 -0.400 -0.623 -0.950
O5 0.400 0.623 -0.950
H6 -1.012 1.559 0.267
H7 1.012 -1.559 0.267
H8 0.766 1.853 0.623
H9 -0.766 -1.853 0.623

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.43081.43082.27422.27422.08022.08022.08672.0867
C21.43082.25382.19831.42231.10202.87111.09883.0921
C31.43082.25381.42232.19832.87111.10203.09211.0988
O42.27422.19831.42231.48112.57302.08603.15722.0302
O52.27421.42232.19831.48112.08602.57302.03023.1572
H62.08021.10202.87112.57302.08603.71821.83753.4399
H72.08022.87111.10202.08602.57303.71823.43991.8375
H82.08671.09883.09213.15722.03021.83753.43994.0107
H92.08673.09211.09882.03023.15723.43991.83754.0107

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.246 O1 C2 H6 109.750
O1 C2 H8 110.473 O1 C3 O5 74.246
O1 C3 H7 109.750 O1 C3 H9 110.473
C2 O1 C3 103.927 C2 O4 O5 39.794
C3 O5 O4 39.794 O4 C2 H6 96.797
O4 C2 H8 144.395 O5 C3 H7 96.797
O5 C3 H9 144.395 H6 C2 H8 113.214
H7 C3 H9 113.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability