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

using model chemistry: MP2=FULL/6-311G*

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=FULL/6-311G*
 hartrees
Energy at 0K-306.946141
Energy at 298.15K-306.956685
HF Energy-305.902142
Nuclear repulsion energy263.694053
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=FULL/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 3206 3037 13.67      
2 A 3200 3031 11.29      
3 A 3187 3018 31.01      
4 A 3154 2987 26.42      
5 A 3101 2937 7.38      
6 A 3095 2932 62.36      
7 A 3065 2903 49.52      
8 A 2994 2835 93.18      
9 A 1571 1488 1.07      
10 A 1555 1472 4.71      
11 A 1524 1444 8.63      
12 A 1523 1443 2.83      
13 A 1482 1404 77.38      
14 A 1429 1353 2.83      
15 A 1423 1348 9.23      
16 A 1406 1332 0.80      
17 A 1370 1298 0.60      
18 A 1281 1213 18.76      
19 A 1256 1190 1.62      
20 A 1212 1148 57.29      
21 A 1192 1128 25.10      
22 A 1163 1102 87.22      
23 A 1141 1080 41.01      
24 A 1102 1044 22.44      
25 A 1076 1019 61.17      
26 A 980 929 12.70      
27 A 909 861 49.02      
28 A 892 845 4.91      
29 A 874 827 7.90      
30 A 711 674 1.70      
31 A 701 664 3.91      
32 A 529 501 4.59      
33 A 338 320 5.91      
34 A 239 227 0.46      
35 A 215 204 5.80      
36 A 55 52 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 27075.8 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 25643.4 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=FULL/6-311G*
ABC
0.23576 0.11547 0.08528

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.081 0.010 -0.151
H2 -2.620 -0.897 0.127
H3 -2.605 0.877 0.257
H4 -2.041 0.092 -1.237
C5 -0.678 -0.036 0.380
H6 -0.652 -0.133 1.481
O7 0.022 1.138 0.006
O8 0.028 -1.109 -0.191
C9 1.383 -0.764 0.051
H10 2.006 -1.300 -0.664
H11 1.669 -1.047 1.072
C12 1.393 0.764 -0.126
H13 1.734 1.063 -1.120
H14 2.002 1.264 0.633

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09111.09081.09031.50172.17382.39212.38883.55554.32284.08433.55564.07494.3428
H21.09111.77811.78162.13992.50803.33752.67624.00624.71064.39504.35104.93515.1274
H31.09081.77811.77882.13592.51582.65183.32814.31665.18084.75724.01784.55554.6382
H41.09031.78161.77882.11943.06062.62632.61143.75714.31784.51643.67153.89964.6061
C51.50172.13992.13592.11941.10521.41731.40582.20973.14462.64732.27713.04542.9890
H62.17382.50802.51583.06061.10522.06052.05262.56603.60962.52832.75183.72693.1170
O72.39213.33752.65182.62631.41732.06052.25602.33893.21372.93681.42742.05032.0804
O82.38882.67623.32812.61141.40582.05262.25601.41872.04212.07192.31842.91373.1945
C93.55554.00624.31663.75712.20972.56602.33891.41871.08961.09771.53792.19832.1982
H104.32284.71065.18084.31783.14463.60963.21372.04211.08961.78672.21882.42182.8729
H114.08434.39504.75724.51642.64732.52832.93682.07191.09771.78672.18933.04372.3758
C123.55564.35104.01783.67152.27712.75181.42742.31841.53792.21882.18931.09221.0941
H134.07494.93514.55553.89963.04543.72692.05032.91372.19832.42183.04371.09221.7847
H144.34285.12744.63824.60612.98903.11702.08043.19452.19822.87292.37581.09411.7847

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 112.099 C1 C5 O7 110.034
C1 C5 O8 110.447 H2 C1 H3 109.165
H2 C1 H4 109.524 H2 C1 C5 110.241
H3 C1 H4 109.292 H3 C1 C5 109.935
H4 C1 C5 108.667 C5 O7 C12 106.348
C5 O8 C9 102.948 H6 C5 O7 108.907
H6 C5 O8 109.074 O7 C5 O8 106.088
O7 C12 C9 104.080 O7 C12 H13 108.194
O7 C12 H14 110.493 O8 C9 H10 108.289
O8 C9 H11 110.189 O8 C9 C12 103.211
C9 C12 H13 112.294 C9 C12 H14 112.170
H10 C9 H11 109.544 H10 C9 C12 114.141
H11 C9 C12 111.240 H13 C12 H14 109.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability