return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-304.151088
Energy at 298.15K-304.157925
HF Energy-304.151088
Nuclear repulsion energy197.515537
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 wB97X-D/6-311G**
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 3138 3001 0.82      
2 A 3041 2908 0.53      
3 A 1552 1485 0.12      
4 A 1440 1378 13.97      
5 A 1244 1190 3.87      
6 A 1170 1119 0.00      
7 A 1087 1040 35.71      
8 A 1003 959 52.36      
9 A 927 887 32.04      
10 A 778 744 0.15      
11 A 390 373 7.31      
12 B 3137 3001 46.69      
13 B 3038 2906 149.10      
14 B 1540 1473 1.97      
15 B 1382 1321 4.60      
16 B 1240 1186 6.00      
17 B 1167 1116 14.19      
18 B 1135 1086 201.06      
19 B 977 934 4.14      
20 B 739 707 2.99      
21 B 183 175 17.62      

Unscaled Zero Point Vibrational Energy (zpe) 15153.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 14494.7 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 wB97X-D/6-311G**
ABC
0.27892 0.27506 0.15492

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.178
C2 0.000 1.116 0.322
C3 0.000 -1.116 0.322
O4 0.355 0.614 -0.944
O5 -0.355 -0.614 -0.944
H6 0.771 1.833 0.607
H7 -0.771 -1.833 0.607
H8 -0.996 1.577 0.301
H9 0.996 -1.577 0.301

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.40631.40632.23742.23742.06902.06902.06062.0606
C21.40632.23101.40702.17221.09143.06101.09762.8705
C31.40632.23102.17221.40703.06101.09142.87051.0976
O42.23741.40702.17221.41822.01623.10822.07422.6000
O52.23742.17221.40701.41823.10822.01622.60002.0742
H62.06901.09143.06102.01623.10823.97731.81173.4306
H72.06903.06101.09143.10822.01623.97733.43061.8117
H82.06061.09762.87052.07422.60001.81173.43063.7295
H92.06062.87051.09762.60002.07423.43061.81173.7295

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 105.367 O1 C2 H6 111.233
O1 C2 H8 110.153 O1 C3 O5 105.367
O1 C3 H7 111.233 O1 C3 H9 110.153
C2 O1 C3 104.970 C2 O4 O5 100.508
C3 O5 O4 100.508 O4 C2 H6 106.931
O4 C2 H8 111.226 O5 C3 H7 106.931
O5 C3 H9 111.226 H6 C2 H8 111.713
H7 C3 H9 111.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.367      
2 C 0.153      
3 C 0.153      
4 O -0.221      
5 O -0.221      
6 H 0.130      
7 H 0.130      
8 H 0.121      
9 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.149 1.149
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.119 -0.002 0.000
y -0.002 -22.946 0.000
z 0.000 0.000 -33.874
Traceless
 xyz
x 0.291 -0.002 0.000
y -0.002 8.050 0.000
z 0.000 0.000 -8.341
Polar
3z2-r2-16.682
x2-y2-5.173
xy-0.002
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.999 0.225 0.000
y 0.225 5.840 0.000
z 0.000 0.000 3.919


<r2> (average value of r2) Å2
<r2> 83.164
(<r2>)1/2 9.119