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

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-307.537574
Energy at 298.15K-307.548025
HF Energy-307.163956
Nuclear repulsion energy263.206451
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 B2PLYP/cc-pVTZ
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 3157 3029 17.09      
2 A 3151 3023 12.88      
3 A 3144 3016 28.16      
4 A 3100 2974 36.19      
5 A 3071 2946 8.61      
6 A 3059 2934 64.59      
7 A 3024 2901 52.73      
8 A 2958 2838 89.63      
9 A 1545 1482 0.33      
10 A 1528 1466 3.10      
11 A 1500 1439 2.21      
12 A 1499 1438 6.24      
13 A 1452 1393 70.88      
14 A 1407 1350 0.81      
15 A 1398 1341 8.04      
16 A 1384 1327 0.53      
17 A 1349 1294 0.74      
18 A 1262 1211 15.74      
19 A 1238 1188 1.95      
20 A 1188 1140 54.48      
21 A 1168 1121 44.86      
22 A 1139 1093 75.46      
23 A 1118 1073 46.75      
24 A 1069 1025 27.06      
25 A 1046 1004 59.11      
26 A 959 920 12.70      
27 A 884 848 3.78      
28 A 880 844 51.22      
29 A 852 817 10.92      
30 A 705 677 1.18      
31 A 688 660 3.34      
32 A 511 490 4.27      
33 A 331 318 5.59      
34 A 220 211 0.48      
35 A 202 193 4.26      
36 A 57 55 3.88      

Unscaled Zero Point Vibrational Energy (zpe) 26620.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 25539.5 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 B2PLYP/cc-pVTZ
ABC
0.23513 0.11459 0.08492

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.069 0.014 -0.216
H2 -2.621 -0.898 0.005
H3 -2.617 0.863 0.186
H4 -1.974 0.126 -1.294
C5 -0.701 -0.050 0.405
H6 -0.761 -0.171 1.496
O7 0.037 1.138 0.127
O8 0.039 -1.116 -0.145
C9 1.397 -0.746 0.048
H10 2.011 -1.302 -0.654
H11 1.717 -0.970 1.070
C12 1.372 0.760 -0.208
H13 1.562 0.995 -1.256
H14 2.080 1.307 0.415

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.08811.08761.08741.50422.16282.41282.39353.55844.30954.11793.52143.90264.3915
H21.08811.77041.77562.13682.49253.35082.67374.02124.69594.46724.32884.76125.2082
H31.08761.77041.77352.13322.49572.66883.32894.32625.17764.78754.00914.42234.7227
H41.08741.77561.77352.13013.05632.66272.62983.73134.28134.51783.57453.64144.5547
C51.50422.13682.13322.13011.09901.42601.41002.23923.16932.67112.30842.99523.0940
H62.16282.49252.49573.05631.09902.05482.05602.66153.68552.63782.88393.78493.3793
O72.41283.35082.66882.66271.42602.05482.27062.32443.23442.85551.42682.06372.0693
O82.39352.67373.32892.62981.41002.05602.27061.42032.04442.07632.30222.82963.2165
C93.55844.02124.32623.73132.23922.66152.32441.42031.08571.09471.52772.18062.1938
H104.30954.69595.17764.28133.16933.68553.23442.04441.08571.78002.20522.41682.8203
H114.11794.46724.78754.51782.67112.63782.85552.07631.09471.78002.17883.04892.3971
C123.52144.32884.00913.57452.30842.88391.42682.30221.52772.20522.17881.09081.0895
H133.90264.76124.42233.64142.99523.78492.06372.82962.18062.41683.04891.09081.7767
H144.39155.20824.72274.55473.09403.37932.06933.21652.19382.82032.39711.08951.7767

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 111.419 C1 C5 O7 110.830
C1 C5 O8 110.391 H2 C1 H3 108.919
H2 C1 H4 109.409 H2 C1 C5 109.997
H3 C1 H4 109.254 H3 C1 C5 109.742
H4 C1 C5 109.503 C5 O7 C12 108.035
C5 O8 C9 104.581 H6 C5 O7 108.238
H6 C5 O8 109.431 O7 C5 O8 106.378
O7 C12 C9 103.715 O7 C12 H13 109.390
O7 C12 H14 109.920 O8 C9 H10 108.597
O8 C9 H11 110.630 O8 C9 C12 102.632
C9 C12 H13 111.679 C9 C12 H14 112.838
H10 C9 H11 109.449 H10 C9 C12 114.019
H11 C9 C12 111.305 H13 C12 H14 109.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.269      
2 H 0.097      
3 H 0.099      
4 H 0.097      
5 C 0.289      
6 H 0.045      
7 O -0.355      
8 O -0.337      
9 C -0.027      
10 H 0.100      
11 H 0.079      
12 C 0.024      
13 H 0.082      
14 H 0.076      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.404 0.028 -0.100
y 0.028 7.248 -0.117
z -0.100 -0.117 7.094


<r2> (average value of r2) Å2
<r2> 149.915
(<r2>)1/2 12.244