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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-306.779294
Energy at 298.15K-306.789806
HF Energy-305.855888
Nuclear repulsion energy262.588287
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/cc-pVDZ
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 3218 3065 11.28      
2 A 3212 3060 9.85      
3 A 3185 3034 28.94      
4 A 3145 2995 34.04      
5 A 3103 2955 8.39      
6 A 3087 2940 62.13      
7 A 3055 2909 52.77      
8 A 2977 2836 101.23      
9 A 1530 1458 0.71      
10 A 1510 1439 5.67      
11 A 1485 1415 3.40      
12 A 1483 1413 11.92      
13 A 1456 1387 73.61      
14 A 1399 1333 14.17      
15 A 1388 1322 1.24      
16 A 1382 1317 3.82      
17 A 1343 1280 0.29      
18 A 1260 1200 19.15      
19 A 1232 1173 1.55      
20 A 1200 1143 78.61      
21 A 1173 1117 23.84      
22 A 1143 1089 75.74      
23 A 1123 1069 41.32      
24 A 1092 1040 28.57      
25 A 1071 1020 43.00      
26 A 972 926 15.46      
27 A 900 857 38.12      
28 A 887 845 9.59      
29 A 862 821 8.37      
30 A 709 675 1.62      
31 A 687 655 3.36      
32 A 517 492 4.85      
33 A 330 314 4.94      
34 A 236 225 0.39      
35 A 212 202 4.46      
36 A 64 61 3.13      

Unscaled Zero Point Vibrational Energy (zpe) 26813.2 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 25539.6 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/cc-pVDZ
ABC
0.23323 0.11470 0.08484

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.085 0.012 -0.165
H2 -2.631 -0.905 0.101
H3 -2.616 0.883 0.248
H4 -2.032 0.104 -1.261
C5 -0.682 -0.041 0.387
H6 -0.681 -0.151 1.497
O7 0.025 1.144 0.037
O8 0.030 -1.114 -0.188
C9 1.387 -0.763 0.055
H10 2.026 -1.311 -0.651
H11 1.677 -1.025 1.092
C12 1.392 0.765 -0.148
H13 1.702 1.045 -1.169
H14 2.043 1.281 0.579

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.10081.10041.10041.50842.18162.40302.39653.56394.34594.10013.55744.05154.3824
H21.10081.79391.79832.15102.51363.35562.68534.02064.73514.42254.36324.91885.1825
H31.10041.79391.79572.14762.52402.66313.34394.33235.21274.77344.02964.54804.6885
H41.10041.79831.79572.13483.08092.64522.62423.76434.34064.53523.65993.85154.6233
C51.50842.15102.14762.13481.11511.42361.41082.21633.16642.65202.28893.04753.0354
H62.18162.51362.52403.08091.11512.07502.06722.59393.64542.54772.80073.77083.2120
O72.40303.35562.66312.64521.42362.07502.26892.34273.24052.92321.43012.06802.0939
O82.39652.68533.34392.62421.41082.06722.26891.42212.05822.08812.32082.90153.2211
C93.56394.02064.33233.76432.21632.59392.34271.42211.09921.10821.54142.20652.2093
H104.34594.73515.21274.34063.16643.64543.24052.05821.09921.80072.22782.43382.8684
H114.10014.42254.77344.53522.65202.54772.92322.08811.10821.80072.19663.06622.3904
C123.55744.36324.02963.65992.28892.80071.43012.32081.54142.22782.19661.10321.1042
H134.05154.91884.54803.85153.04753.77082.06802.90152.20652.43383.06621.10321.7968
H144.38245.18254.68854.62333.03543.21202.09393.22112.20932.86842.39041.10421.7968

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 111.645 C1 C5 O7 110.053
C1 C5 O8 110.311 H2 C1 H3 109.167
H2 C1 H4 109.569 H2 C1 C5 110.075
H3 C1 H4 109.359 H3 C1 C5 109.831
H4 C1 C5 108.825 C5 O7 C12 106.654
C5 O8 C9 102.949 H6 C5 O7 109.037
H6 C5 O8 109.294 O7 C5 O8 106.351
O7 C12 C9 104.007 O7 C12 H13 108.750
O7 C12 H14 110.771 O8 C9 H10 108.766
O8 C9 H11 110.613 O8 C9 C12 103.020
C9 C12 H13 112.028 C9 C12 H14 112.196
H10 C9 H11 109.323 H10 C9 C12 114.012
H11 C9 C12 110.940 H13 C12 H14 108.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability