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All results from a given calculation for C3H6O2 (1,3-Dioxolane)

using model chemistry: CCD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 3 yes C1 1A

Conformer 1 (C2)

Jump to S1C2 S1C3
Vibrational Frequencies calculated at CCD/6-31G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at CCD/6-31G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-267.608500
Energy at 298.15K-267.616777
HF Energy-266.800463
Nuclear repulsion energy194.521420
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 CCD/6-31G**
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 3213 3012 33.03      
2 A 3199 3000 28.12      
3 A 3156 2959 65.68      
4 A 3111 2917 52.66      
5 A 3102 2908 31.17      
6 A 3091 2898 107.72      
7 A 1624 1523 7.81      
8 A 1585 1486 3.08      
9 A 1575 1476 0.84      
10 A 1482 1390 14.84      
11 A 1438 1348 13.25      
12 A 1385 1299 0.09      
13 A 1294 1213 4.10      
14 A 1271 1191 12.91      
15 A 1246 1168 68.82      
16 A 1210 1135 69.41      
17 A 1186 1112 65.51      
18 A 1185 1111 37.93      
19 A 1142 1071 38.41      
20 A 1012 949 18.16      
21 A 1000 938 28.37      
22 A 988 926 9.21      
23 A 938 880 24.75      
24 A 747 701 0.25      
25 A 659 618 5.22      
26 A 280 263 1.70      
27 A 20 19 17.73      

Unscaled Zero Point Vibrational Energy (zpe) 21069.4 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 19754.7 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 CCD/6-31G**
ABC
0.26003 0.25437 0.14389

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.202 -0.032 0.037
C2 -0.906 0.769 0.208
C3 -0.980 -0.699 -0.177
O4 0.409 1.110 -0.217
O5 0.338 -1.156 0.123
H6 1.910 -0.139 -0.787
H7 1.739 0.057 0.987
H8 -1.018 0.901 1.290
H9 -1.202 -0.816 -1.241
H10 -1.689 -1.281 0.409
H11 -1.612 1.411 -0.315

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C12.26182.29161.41311.42081.09171.09502.71462.83323.17123.1815
C22.26181.51961.42432.29343.12232.84841.09502.16812.20381.0875
C32.29161.51962.28141.42593.00623.05272.17051.09391.08852.2070
O41.41311.42432.28142.29252.03422.08052.08642.71173.24242.0457
O51.42082.29341.42592.29252.08192.04522.72572.08462.05013.2525
H61.09173.12233.00622.03422.08191.79293.73773.21673.96063.8769
H71.09502.84843.05272.08052.04521.79292.89993.79173.72503.8415
H82.71461.09502.17052.08642.72573.73772.89993.06372.44661.7847
H92.83322.16811.09392.71172.08463.21673.79173.06371.78302.4465
H103.17122.20381.08853.24242.05013.96063.72502.44661.78302.7889
H113.18151.08752.20702.04573.25253.87693.84151.78472.44652.7889

picture of 1,3-Dioxolane state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 105.722 C1 O5 C3 107.219
C2 C3 O5 102.219 C2 C3 H9 111.057
C2 C3 H10 114.324 C3 C2 O4 101.556
C3 C2 H8 111.186 C3 C2 H11 114.654
O4 C1 O5 107.989 O4 C1 H6 107.923
O4 C1 H7 111.473 O4 C2 H8 111.148
O4 C2 H11 108.315 O5 C1 H6 111.238
O5 C1 H7 108.069 O5 C3 H9 110.957
O5 C3 H10 108.496 H6 C1 H7 110.150
H8 C2 H11 109.708 H9 C3 H10 109.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability