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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-307.321052
Energy at 298.15K-307.331515
HF Energy-307.321052
Nuclear repulsion energy263.931643
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 PBE1PBE/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 3188 3030 15.09      
2 A 3183 3025 12.31      
3 A 3162 3005 28.45      
4 A 3113 2958 46.49      
5 A 3094 2940 7.22      
6 A 3069 2916 59.87      
7 A 3034 2883 54.95      
8 A 2971 2823 97.51      
9 A 1560 1483 0.33      
10 A 1539 1463 3.47      
11 A 1514 1439 1.79      
12 A 1513 1438 6.65      
13 A 1468 1395 83.53      
14 A 1418 1347 9.25      
15 A 1414 1343 7.03      
16 A 1400 1330 4.74      
17 A 1355 1287 0.83      
18 A 1273 1209 25.53      
19 A 1244 1182 0.99      
20 A 1208 1148 136.83      
21 A 1184 1125 35.82      
22 A 1160 1103 61.01      
23 A 1138 1081 44.78      
24 A 1110 1055 16.83      
25 A 1086 1032 36.83      
26 A 974 926 7.85      
27 A 909 864 34.45      
28 A 902 857 11.60      
29 A 869 826 6.78      
30 A 714 678 1.46      
31 A 686 651 3.00      
32 A 510 484 4.69      
33 A 334 317 5.59      
34 A 235 224 0.37      
35 A 212 201 4.05      
36 A 49 47 4.23      

Unscaled Zero Point Vibrational Energy (zpe) 26893.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 25557.2 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 PBE1PBE/6-31G*
ABC
0.23492 0.11565 0.08582

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.072 0.013 -0.194
H2 -2.624 -0.900 0.046
H3 -2.614 0.871 0.211
H4 -1.998 0.116 -1.280
C5 -0.688 -0.045 0.396
H6 -0.726 -0.162 1.496
O7 0.034 1.134 0.090
O8 0.037 -1.110 -0.160
C9 1.386 -0.752 0.047
H10 2.008 -1.307 -0.659
H11 1.701 -0.997 1.074
C12 1.374 0.763 -0.181
H13 1.618 1.024 -1.218
H14 2.062 1.295 0.488

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09371.09331.09331.50512.16762.40202.38953.54984.31304.10653.52623.96014.3808
H21.09371.77921.78412.14462.50013.34692.67724.01264.70264.44654.33564.82605.1928
H31.09331.77921.78162.14062.50642.66333.33064.32035.18324.78084.00874.46934.7028
H41.09331.78411.78162.13323.06642.65352.62723.73794.29674.52423.60533.72884.5821
C51.50512.14462.14062.13321.10681.41631.40322.21923.15832.66012.28863.01093.0604
H62.16762.50012.50643.06641.10682.05732.05502.62813.66442.60112.84133.77653.3024
O72.40203.34692.66332.65351.41632.05732.25822.32203.22822.88001.41722.05742.0730
O82.38952.67723.33062.62721.40322.05502.25821.41092.04232.07462.30082.85853.2094
C93.54984.01264.32033.73792.21922.62812.32201.41091.09241.10151.53212.19322.2003
H104.31304.70265.18324.29673.15833.66443.22822.04231.09241.78702.21712.42902.8442
H114.10654.44654.78084.52422.66012.60112.88002.07461.10151.78702.18603.05712.3933
C123.52624.33564.00873.60532.28862.84131.41722.30081.53212.21712.18601.09721.0967
H133.96014.82604.46933.72883.01093.77652.05742.85852.19322.42903.05711.09721.7831
H144.38085.19284.70284.58213.06043.30242.07303.20942.20032.84422.39331.09671.7831

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 111.264 C1 C5 O7 110.578
C1 C5 O8 110.449 H2 C1 H3 108.879
H2 C1 H4 109.325 H2 C1 C5 110.215
H3 C1 H4 109.126 H3 C1 C5 109.927
H4 C1 C5 109.347 C5 O7 C12 107.742
C5 O8 C9 104.114 H6 C5 O7 108.626
H6 C5 O8 109.351 O7 C5 O8 106.435
O7 C12 C9 103.803 O7 C12 H13 109.160
O7 C12 H14 110.450 O8 C9 H10 108.678
O8 C9 H11 110.736 O8 C9 C12 102.772
C9 C12 H13 111.996 C9 C12 H14 112.592
H10 C9 H11 109.085 H10 C9 C12 114.249
H11 C9 C12 111.157 H13 C12 H14 108.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.540      
2 H 0.184      
3 H 0.187      
4 H 0.190      
5 C 0.341      
6 H 0.138      
7 O -0.502      
8 O -0.478      
9 C -0.131      
10 H 0.189      
11 H 0.164      
12 C -0.082      
13 H 0.172      
14 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.075 -0.245 0.372 1.164
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.786 -0.170 -0.732
y -0.170 -40.279 -0.658
z -0.732 -0.658 -35.544
Traceless
 xyz
x 7.126 -0.170 -0.732
y -0.170 -7.114 -0.658
z -0.732 -0.658 -0.012
Polar
3z2-r2-0.024
x2-y29.493
xy-0.170
xz-0.732
yz-0.658


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.302 0.039 -0.170
y 0.039 6.246 -0.114
z -0.170 -0.114 6.356


<r2> (average value of r2) Å2
<r2> 148.659
(<r2>)1/2 12.193