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 C3H6O2 (1,3-Dioxolane)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-267.444302
Energy at 298.15K-267.452624
HF Energy-266.792451
Nuclear repulsion energy195.536065
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 CISD/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 3251 3009 19.99      
2 A 3162 2927 40.21      
3 A 3153 2919 80.11      
4 A 1661 1538 7.11      
5 A 1621 1501 2.25      
6 A 1476 1367 13.16      
7 A 1328 1229 7.66      
8 A 1294 1198 92.78      
9 A 1244 1152 130.27      
10 A 1220 1129 36.12      
11 A 1039 962 1.15      
12 A 1015 940 7.52      
13 A 770 713 0.22      
14 A 282 261 0.79      
15 A 3257 3015 43.31      
16 A 3208 2970 70.38      
17 A 3160 2926 68.99      
18 A 1613 1493 1.19      
19 A 1523 1410 14.61      
20 A 1425 1319 0.03      
21 A 1302 1205 5.63      
22 A 1226 1135 28.16      
23 A 1180 1093 42.47      
24 A 1036 959 57.44      
25 A 965 893 23.67      
26 A 677 627 5.61      
27 A 15 14 20.64      

Unscaled Zero Point Vibrational Energy (zpe) 21550.3 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 19951.3 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 CISD/6-31G*
ABC
0.26214 0.25783 0.14528

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.200
C2 -0.298 0.696 -0.940
C3 0.298 -0.696 -0.940
O4 0.000 1.137 0.371
O5 0.000 -1.137 0.371
H6 0.893 0.037 1.824
H7 -0.893 -0.037 1.824
H8 -1.377 0.665 -1.107
H9 1.377 -0.665 -1.107
H10 -0.160 -1.384 -1.645
H11 0.160 1.384 -1.645

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C12.27012.27011.40741.40741.09031.09032.76752.76753.16783.1678
C22.27011.51431.41522.27383.08112.92101.09212.16462.20031.0861
C32.27011.51432.27381.41522.92103.08112.16461.09211.08612.2003
O41.40741.41522.27382.27492.02972.07072.07422.70743.23222.0377
O51.40742.27381.41522.27492.07072.02972.70742.07422.03773.2322
H61.09033.08112.92102.02972.07071.78813.75993.05223.89403.7929
H71.09032.92103.08112.07072.02971.78813.05223.75993.79293.8940
H82.76751.09212.16462.07422.70743.75993.05223.05812.44291.7798
H92.76752.16461.09212.70742.07423.05223.75993.05811.77982.4429
H103.16782.20031.08613.23222.03773.89403.79292.44291.77982.7856
H113.16781.08612.20032.03773.23223.79293.89401.77982.44292.7856

picture of 1,3-Dioxolane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 107.076 C1 O5 C3 107.076
C2 C3 O5 101.770 C2 C3 H9 111.259
C2 C3 H10 114.589 C3 C2 O4 101.770
C3 C2 H8 111.259 C3 C2 H11 114.589
O4 C1 O5 107.841 O4 C1 H6 108.037
O4 C1 H7 111.373 O4 C2 H8 110.979
O4 C2 H11 108.391 O5 C1 H6 111.373
O5 C1 H7 108.037 O5 C3 H9 110.979
O5 C3 H10 108.391 H6 C1 H7 110.180
H8 C2 H11 109.592 H9 C3 H10 109.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability