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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-306.321721
Energy at 298.15K-306.331915
HF Energy-305.739476
Nuclear repulsion energy254.339185
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 MP2/LANL2DZ
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 3174 3057 41.59      
2 A 3162 3045 30.29      
3 A 3155 3039 22.07      
4 A 3147 3031 21.23      
5 A 3074 2961 49.78      
6 A 3062 2949 85.78      
7 A 3058 2945 44.39      
8 A 3040 2928 16.62      
9 A 1545 1488 0.45      
10 A 1534 1477 3.91      
11 A 1524 1468 6.10      
12 A 1522 1466 7.05      
13 A 1458 1404 26.62      
14 A 1416 1364 28.85      
15 A 1374 1323 2.62      
16 A 1367 1316 1.57      
17 A 1312 1263 6.51      
18 A 1225 1180 9.56      
19 A 1186 1143 3.01      
20 A 1181 1137 20.11      
21 A 1130 1088 3.40      
22 A 1111 1070 97.35      
23 A 1105 1064 25.68      
24 A 997 960 16.46      
25 A 982 945 21.10      
26 A 919 886 52.39      
27 A 871 839 3.89      
28 A 798 768 28.50      
29 A 763 735 31.64      
30 A 656 632 1.19      
31 A 629 605 5.75      
32 A 468 451 12.55      
33 A 326 314 8.04      
34 A 226 217 1.20      
35 A 210 203 1.55      
36 A 45 43 16.80      

Unscaled Zero Point Vibrational Energy (zpe) 26374.7 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 25401.4 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 MP2/LANL2DZ
ABC
0.21242 0.10815 0.08106

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.098 0.013 0.296
H2 2.672 -0.917 0.140
H3 2.685 0.868 -0.079
H4 1.904 0.146 1.372
C5 0.768 -0.064 -0.456
H6 0.882 -0.188 -1.550
O7 -0.045 1.184 -0.246
O8 -0.048 -1.179 0.086
C9 -1.474 -0.738 -0.037
H10 -2.048 -1.331 0.688
H11 -1.834 -0.912 -1.067
C12 -1.386 0.780 0.298
H13 -1.401 0.958 1.386
H14 -2.146 1.390 -0.212

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.10371.10301.10161.52982.21942.50192.46383.66534.37544.26363.56763.78514.4908
H21.10371.79821.79972.16972.56703.45652.73384.15414.76964.66554.40164.65445.3537
H31.10301.79821.79892.16442.55502.75343.41874.45855.27444.95694.08944.34174.8607
H41.10161.79971.79892.16323.11382.73832.68773.76624.27414.58813.51903.40414.5237
C51.52982.16972.16442.16321.10641.50461.48452.37873.29292.80482.43373.02433.2661
H62.21942.56702.55503.11381.10642.10772.12712.85363.85992.85283.08193.89203.6675
O72.50193.45652.75342.73831.50462.10772.38622.40403.34782.87581.50272.13402.1111
O82.46382.73383.41872.68771.48452.12712.38621.49752.09342.14272.38132.84373.3300
C93.66534.15414.45853.76622.37872.85362.40401.49751.09861.10481.55682.21532.2384
H104.37544.76965.27444.27413.29293.85993.34782.09341.09861.81702.24602.47882.8680
H114.26364.66554.95694.58812.80482.85282.87582.14271.10481.81702.22003.11512.4759
C123.56764.40164.08943.51902.43373.08191.50272.38131.55682.24602.22001.10231.1002
H133.78514.65444.34173.40413.02433.89202.13402.84372.21532.47883.11511.10231.8152
H144.49085.35374.86074.52373.26613.66752.11113.33002.23842.86802.47591.10021.8152

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 113.714 C1 C5 O7 111.077
C1 C5 O8 109.640 H2 C1 H3 109.147
H2 C1 H4 109.390 H2 C1 C5 109.897
H3 C1 H4 109.364 H3 C1 C5 109.520
H4 C1 C5 109.508 C5 O7 C12 108.049
C5 O8 C9 105.815 H6 C5 O7 106.655
H6 C5 O8 109.501 O7 C5 O8 105.930
O7 C12 C9 103.572 O7 C12 H13 109.042
O7 C12 H14 107.390 O8 C9 H10 106.468
O8 C9 H11 109.927 O8 C9 C12 102.442
C9 C12 H13 111.698 C9 C12 H14 113.696
H10 C9 H11 111.104 H10 C9 C12 114.421
H11 C9 C12 111.923 H13 C12 H14 111.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability