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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-301.396101
Energy at 298.15K-301.402660
HF Energy-300.847069
Nuclear repulsion energy188.667514
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 MP2/3-21G*
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 3208 3052 0.93      
2 A 3130 2978 0.23      
3 A 1622 1543 0.03      
4 A 1433 1363 2.70      
5 A 1222 1162 0.53      
6 A 1132 1077 2.28      
7 A 987 939 7.39      
8 A 906 862 30.37      
9 A 827 786 14.08      
10 A 696 662 0.55      
11 A 344 327 6.79      
12 B 3211 3055 53.65      
13 B 3127 2974 78.51      
14 B 1604 1526 7.89      
15 B 1377 1310 0.38      
16 B 1201 1142 3.43      
17 B 1128 1073 13.77      
18 B 1026 976 158.11      
19 B 856 815 1.36      
20 B 644 613 4.48      
21 B 172 164 23.13      

Unscaled Zero Point Vibrational Energy (zpe) 14925.5 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 14198.6 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 MP2/3-21G*
ABC
0.25180 0.25087 0.14190

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.243
C2 0.000 1.159 0.335
C3 0.000 -1.159 0.335
O4 -0.432 -0.646 -0.987
O5 0.432 0.646 -0.987
H6 -1.002 1.585 0.271
H7 1.002 -1.585 0.271
H8 0.755 1.879 0.645
H9 -0.755 -1.879 0.645

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.47301.47302.36202.36202.11152.11152.11202.1120
C21.47302.31862.27901.48211.08992.92161.08883.1465
C31.47302.31861.48212.27902.92161.08993.14651.0888
O42.36202.27901.48211.55522.62392.12603.23322.0709
O52.36201.48212.27901.55522.12602.62392.07093.2332
H62.11151.08992.92162.62392.12603.74901.82013.4928
H72.11152.92161.08992.12602.62393.74903.49281.8201
H82.11201.08883.14653.23322.07091.82013.49284.0510
H92.11203.14651.08882.07093.23323.49281.82014.0510

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.586 O1 C2 H6 110.047
O1 C2 H8 110.161 O1 C3 O5 74.586
O1 C3 H7 110.047 O1 C3 H9 110.161
C2 O1 C3 103.817 C2 O4 O5 40.180
C3 O5 O4 40.180 O4 C2 H6 95.812
O4 C2 H8 145.183 O5 C3 H7 95.812
O5 C3 H9 145.183 H6 C2 H8 113.320
H7 C3 H9 113.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability