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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-303.524748
Energy at 298.15K-303.531519
HF Energy-302.549193
Nuclear repulsion energy196.913934
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 MP2/6-31G(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 3185 3008 0.46      
2 A 3093 2921 0.45      
3 A 1558 1471 0.00      
4 A 1448 1368 9.17      
5 A 1253 1184 3.42      
6 A 1168 1103 0.11      
7 A 1084 1024 30.73      
8 A 1002 947 59.14      
9 A 846 799 8.34      
10 A 758 716 0.56      
11 A 392 370 6.13      
12 B 3185 3008 34.10      
13 B 3091 2919 105.76      
14 B 1546 1460 3.57      
15 B 1396 1318 3.08      
16 B 1243 1174 5.41      
17 B 1162 1098 11.41      
18 B 1127 1064 181.22      
19 B 986 932 4.83      
20 B 715 675 2.29      
21 B 168 159 15.54      

Unscaled Zero Point Vibrational Energy (zpe) 15201.9 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 14358.2 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 MP2/6-31G(2df,p)
ABC
0.27563 0.27418 0.15488

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.189
C2 0.000 1.112 0.316
C3 0.000 -1.112 0.316
O4 -0.391 -0.615 -0.942
O5 0.391 0.615 -0.942
H6 -1.002 1.550 0.270
H7 1.002 -1.550 0.270
H8 0.756 1.840 0.614
H9 -0.756 -1.840 0.614

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.41361.41362.25222.25222.06192.06192.07032.0703
C21.41362.22312.17161.40761.09472.84461.09113.0611
C31.41362.22311.40762.17162.84461.09473.06111.0911
O42.25222.17161.40761.45742.55562.06993.12452.0137
O52.25221.40762.17161.45742.06992.55562.01373.1245
H62.06191.09472.84462.55562.06993.69181.81433.4163
H72.06192.84461.09472.06992.55563.69183.41631.8143
H82.07031.09113.06113.12452.01371.81433.41633.9777
H92.07033.06111.09112.01373.12453.41631.81433.9777

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.491 O1 C2 H6 109.927
O1 C2 H8 110.839 O1 C3 O5 74.491
O1 C3 H7 109.927 O1 C3 H9 110.839
C2 O1 C3 103.692 C2 O4 O5 39.866
C3 O5 O4 39.866 O4 C2 H6 97.457
O4 C2 H8 144.464 O5 C3 H7 97.457
O5 C3 H9 144.464 H6 C2 H8 112.203
H7 C3 H9 112.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability