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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: MP2=FULL/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=FULL/3-21G
 hartrees
Energy at 0K-301.404911
Energy at 298.15K-301.411483
HF Energy-300.847119
Nuclear repulsion energy188.692323
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=FULL/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 3209 3064 0.95      
2 A 3129 2988 0.21      
3 A 1621 1548 0.02      
4 A 1434 1369 2.69      
5 A 1222 1167 0.53      
6 A 1132 1081 2.29      
7 A 987 942 7.30      
8 A 906 865 30.53      
9 A 826 789 14.03      
10 A 697 665 0.55      
11 A 345 329 6.80      
12 B 3212 3066 52.25      
13 B 3126 2985 79.40      
14 B 1604 1531 7.85      
15 B 1378 1316 0.37      
16 B 1201 1146 3.43      
17 B 1129 1078 13.78      
18 B 1026 980 158.22      
19 B 856 818 1.37      
20 B 644 615 4.52      
21 B 174 166 23.15      

Unscaled Zero Point Vibrational Energy (zpe) 14927.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 14252.8 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=FULL/3-21G
ABC
0.25176 0.25104 0.14197

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 -0.433 -0.646 -0.987
O5 0.433 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
O11.47261.47262.36092.36092.11172.11172.11182.1118
C21.47262.31892.27881.48211.09002.92191.08853.1466
C31.47262.31891.48212.27882.92191.09003.14661.0885
O42.36092.27881.48211.55522.62312.12593.23292.0706
O52.36091.48212.27881.55522.12592.62312.07063.2329
H62.11171.09002.92192.62312.12593.74941.82013.4931
H72.11172.92191.09002.12592.62313.74943.49311.8201
H82.11181.08853.14663.23292.07061.82013.49314.0509
H92.11183.14661.08852.07063.23293.49311.82014.0509

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.555 O1 C2 H6 110.083
O1 C2 H8 110.180 O1 C3 O5 74.555
O1 C3 H7 110.083 O1 C3 H9 110.180
C2 O1 C3 103.870 C2 O4 O5 40.186
C3 O5 O4 40.186 O4 C2 H6 95.772
O4 C2 H8 145.202 O5 C3 H7 95.772
O5 C3 H9 145.202 H6 C2 H8 113.330
H7 C3 H9 113.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability