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

using model chemistry: QCISD/6-311G*

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 QCISD/6-311G*
Rotational Constants (cm-1) from geometry optimized at QCISD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at QCISD/6-311G*
Rotational Constants (cm-1) from geometry optimized at QCISD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1)

Jump to S1C1 S1C2
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-267.679715
Energy at 298.15K-267.688049
HF Energy-266.850352
Nuclear repulsion energy194.529664
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 QCISD/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 3152 3018 34.28      
2 A 3137 3003 42.05      
3 A 3109 2977 22.13      
4 A 3051 2921 70.13      
5 A 3025 2896 44.51      
6 A 2969 2842 107.09      
7 A 1578 1510 2.78      
8 A 1560 1494 0.89      
9 A 1549 1483 1.97      
10 A 1461 1398 13.64      
11 A 1402 1342 1.03      
12 A 1370 1311 0.04      
13 A 1301 1246 5.19      
14 A 1259 1206 5.56      
15 A 1250 1197 0.63      
16 A 1217 1165 85.16      
17 A 1181 1131 11.62      
18 A 1141 1093 111.62      
19 A 1115 1067 42.99      
20 A 1023 979 26.79      
21 A 989 947 63.00      
22 A 968 927 19.92      
23 A 864 827 5.48      
24 A 751 719 2.17      
25 A 721 690 7.12      
26 A 316 302 13.22      
27 A 28 27 3.88      

Unscaled Zero Point Vibrational Energy (zpe) 20742.6 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 19859.0 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 QCISD/6-311G*
ABC
0.26464 0.24976 0.14388

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.150 -0.072 0.188
C2 -0.864 0.842 0.108
C3 -1.009 -0.697 0.003
O4 0.487 1.078 -0.266
O5 0.330 -1.165 -0.150
H6 2.106 -0.164 -0.331
H7 1.296 -0.024 1.283
H8 -1.041 1.190 1.137
H9 -1.579 -1.011 -0.878
H10 -1.468 -1.125 0.904
H11 -1.510 1.396 -0.577

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C12.21252.25481.40221.40751.09181.10622.70003.07582.91113.1326
C22.21251.54901.42112.34993.16622.60671.10062.21742.20611.0929
C32.25481.54902.33611.42723.17782.72132.20151.09461.09822.2290
O41.40221.42112.33612.25142.04152.06572.07713.00053.16872.0457
O51.40752.34991.42722.25142.04652.07103.01372.04882.08473.1832
H61.09183.16623.17782.04152.04651.81123.72683.82013.90153.9459
H71.10622.60672.72132.06572.07101.81122.63693.72922.99963.6538
H82.70001.10062.20152.07713.01373.72682.63693.03202.36541.7894
H93.07582.21741.09463.00052.04883.82013.72923.03201.78822.4275
H102.91112.20611.09823.16872.08473.90152.99962.36541.78822.9245
H113.13261.09292.22902.04573.18323.94593.65381.78942.42752.9245

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 103.191 C1 O5 C3 105.392
C2 C3 O5 104.215 C2 C3 H9 112.896
C2 C3 H10 111.762 C3 C2 O4 103.643
C3 C2 H8 111.254 C3 C2 H11 113.956
O4 C1 O5 106.511 O4 C1 H6 109.255
O4 C1 H7 110.318 O4 C2 H8 110.263
O4 C2 H11 108.213 O5 C1 H6 109.289
O5 C1 H7 110.381 O5 C3 H9 107.942
O5 C3 H10 110.603 H6 C1 H7 110.975
H8 C2 H11 109.325 H9 C3 H10 109.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability