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All results from a given calculation for C4H8O2 (1,3-Dioxolane, 2-methyl-)

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-306.763998
Energy at 298.15K-306.774587
HF Energy-305.835607
Nuclear repulsion energy263.402090
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 MP3=FULL/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 3216 3018 15.32      
2 A 3208 3010 12.58      
3 A 3194 2997 26.57      
4 A 3159 2965 37.01      
5 A 3121 2928 6.61      
6 A 3108 2917 46.56      
7 A 3079 2889 44.45      
8 A 3029 2842 80.19      
9 A 1594 1496 0.15      
10 A 1575 1478 3.28      
11 A 1547 1451 6.14      
12 A 1545 1450 1.57      
13 A 1507 1414 80.23      
14 A 1453 1363 2.06      
15 A 1444 1355 13.27      
16 A 1431 1342 5.79      
17 A 1382 1297 1.15      
18 A 1296 1216 22.85      
19 A 1267 1188 2.38      
20 A 1234 1158 117.11      
21 A 1209 1134 37.83      
22 A 1187 1114 67.98      
23 A 1167 1095 26.63      
24 A 1122 1053 15.07      
25 A 1096 1028 36.56      
26 A 994 932 12.95      
27 A 935 877 20.52      
28 A 927 869 24.91      
29 A 880 826 6.48      
30 A 723 678 1.97      
31 A 682 640 3.68      
32 A 518 486 6.74      
33 A 343 322 5.78      
34 A 251 236 0.54      
35 A 229 214 3.33      
36 A 56 52 6.16      

Unscaled Zero Point Vibrational Energy (zpe) 27354.4 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 25666.7 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 MP3=FULL/6-31G*
ABC
0.23304 0.11531 0.08591

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.062 0.013 -0.227
H2 -2.615 -0.908 -0.021
H3 -2.620 0.864 0.171
H4 -1.942 0.131 -1.306
C5 -0.699 -0.048 0.412
H6 -0.783 -0.170 1.507
O7 0.036 1.135 0.139
O8 0.039 -1.117 -0.131
C9 1.395 -0.748 0.039
H10 2.000 -1.304 -0.680
H11 1.745 -0.977 1.056
C12 1.363 0.766 -0.212
H13 1.547 1.005 -1.267
H14 2.081 1.316 0.405

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09341.09301.09241.50692.16242.40702.38743.54954.29344.13753.50723.88454.3892
H21.09341.78201.78482.14432.49703.35022.66464.01354.67814.49134.32044.74685.2135
H31.09301.78201.78322.14052.49542.66963.32954.32835.17334.81924.00304.41044.7289
H41.09241.78481.78322.12863.05762.64732.62003.70384.24104.51713.53913.59694.5300
C51.50692.14432.14052.12861.10491.41911.40742.23853.17002.69232.30332.99493.0966
H62.16242.49702.49543.05761.10492.05972.06292.68923.71652.69162.90483.80793.4092
O72.40703.35022.66962.64731.41912.05972.26812.32433.23662.86791.42212.06832.0709
O82.38742.66463.32952.62001.40742.06292.26811.41552.04442.08292.30352.83983.2210
C93.54954.01354.32833.70382.23852.68922.32431.41551.09191.10011.53492.19052.2049
H104.29344.67815.17334.24103.17003.71653.23662.04441.09191.78542.21552.42422.8366
H114.13754.49134.81924.51712.69232.69162.86792.08291.10011.78542.18983.06012.4071
C123.50724.32044.00303.53912.30332.90481.42212.30351.53492.21552.18981.09641.0950
H133.88454.74684.41043.59692.99493.80792.06832.83982.19052.42423.06011.09641.7828
H144.38925.21354.72894.53003.09663.40922.07093.22102.20492.83662.40711.09501.7828

picture of 1,3-Dioxolane, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.835 C1 C5 O7 110.660
C1 C5 O8 109.965 H2 C1 H3 109.183
H2 C1 H4 109.476 H2 C1 C5 110.085
H3 C1 H4 109.363 H3 C1 C5 109.813
H4 C1 C5 108.906 C5 O7 C12 108.317
C5 O8 C9 104.934 H6 C5 O7 108.746
H6 C5 O8 109.814 O7 C5 O8 106.725
O7 C12 C9 103.564 O7 C12 H13 109.742
O7 C12 H14 110.036 O8 C9 H10 108.558
O8 C9 H11 111.170 O8 C9 C12 102.587
C9 C12 H13 111.623 C9 C12 H14 112.879
H10 C9 H11 109.084 H10 C9 C12 113.941
H11 C9 C12 111.348 H13 C12 H14 108.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability