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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-305.841662
Energy at 298.15K-305.852191
HF Energy-305.841662
Nuclear repulsion energy260.510165
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 M06-2X/3-21G*
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 3194 3026 14.19      
2 A 3173 3005 6.71      
3 A 3167 3000 16.61      
4 A 3150 2984 13.99      
5 A 3098 2934 36.77      
6 A 3091 2928 3.36      
7 A 3076 2913 35.62      
8 A 3044 2884 22.52      
9 A 1575 1492 0.35      
10 A 1563 1480 5.99      
11 A 1555 1473 2.43      
12 A 1548 1467 4.30      
13 A 1465 1387 23.48      
14 A 1429 1354 36.08      
15 A 1398 1324 0.61      
16 A 1386 1313 13.91      
17 A 1320 1250 7.81      
18 A 1256 1190 12.17      
19 A 1225 1161 3.18      
20 A 1181 1118 71.51      
21 A 1162 1101 60.64      
22 A 1145 1084 37.97      
23 A 1125 1065 52.86      
24 A 1066 1009 11.21      
25 A 1026 972 25.70      
26 A 946 896 5.99      
27 A 929 880 1.10      
28 A 872 826 37.39      
29 A 846 801 2.57      
30 A 714 676 2.30      
31 A 634 600 5.93      
32 A 464 440 19.36      
33 A 359 340 1.74      
34 A 252 239 0.65      
35 A 237 225 0.87      
36 A 82 78 12.84      

Unscaled Zero Point Vibrational Energy (zpe) 26876.1 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 25457.1 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 M06-2X/3-21G*
ABC
0.20343 0.11832 0.09070

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.925 0.006 -0.445
H2 -2.494 -0.926 -0.437
H3 -2.575 0.838 -0.167
H4 -1.533 0.171 -1.452
C5 -0.761 -0.089 0.522
H6 -1.072 -0.224 1.560
O7 0.054 1.118 0.475
O8 0.089 -1.197 0.090
C9 1.444 -0.669 -0.077
H10 1.925 -1.216 -0.887
H11 2.018 -0.765 0.850
C12 1.186 0.811 -0.400
H13 0.918 0.935 -1.455
H14 2.007 1.473 -0.130

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09181.09171.09291.51592.19092.44962.40643.45624.06334.22173.21383.15674.2085
H21.09181.78651.77642.14972.54983.39132.64963.96294.45064.69474.06914.01715.1092
H31.09171.78651.78352.15052.52432.72123.36264.29384.99874.97053.76853.72384.6258
H41.09291.77641.78352.13463.07202.67002.62263.38533.76804.33422.98452.56703.9964
C51.51592.14972.15052.13461.09211.45691.46232.35783.23562.87942.33462.78793.2444
H62.19092.54982.52433.07201.09212.06032.11083.03433.99373.21633.16403.79333.9006
O72.44963.39132.72122.67001.45692.06032.34742.33033.28682.74661.46372.12232.0750
O82.40642.64963.36262.62261.46232.11082.34741.46442.07952.11842.34022.76053.2954
C93.45623.96294.29383.38532.35783.03432.33031.46441.08951.09431.53652.17952.2155
H104.06334.45064.99873.76803.23563.99373.28682.07951.08951.79732.21172.44252.7954
H114.22174.69474.97054.33422.87943.21632.74662.11841.09431.79732.17723.06852.4439
C123.21384.06913.76852.98452.33463.16401.46372.34021.53652.21172.17721.09511.0888
H133.15674.01713.72382.56702.78793.79332.12232.76052.17952.44253.06851.09511.7972
H144.20855.10924.62583.99643.24443.90062.07503.29542.21552.79542.44391.08881.7972

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 113.293 C1 C5 O7 110.959
C1 C5 O8 107.790 H2 C1 H3 109.802
H2 C1 H4 108.799 H2 C1 C5 109.987
H3 C1 H4 109.444 H3 C1 C5 110.051
H4 C1 C5 108.730 C5 O7 C12 106.137
C5 O8 C9 107.339 H6 C5 O7 106.979
H6 C5 O8 110.611 O7 C5 O8 107.052
O7 C12 C9 101.892 O7 C12 H13 111.265
O7 C12 H14 107.860 O8 C9 H10 108.128
O8 C9 H11 110.942 O8 C9 C12 102.461
C9 C12 H13 110.707 C9 C12 H14 114.018
H10 C9 H11 110.774 H10 C9 C12 113.655
H11 C9 C12 110.572 H13 C12 H14 110.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.569      
2 H 0.211      
3 H 0.207      
4 H 0.206      
5 C 0.246      
6 H 0.219      
7 O -0.510      
8 O -0.516      
9 C -0.167      
10 H 0.219      
11 H 0.210      
12 C -0.186      
13 H 0.206      
14 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.054 0.189 -0.778 1.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.806 0.394 -1.495
y 0.394 -41.842 -1.363
z -1.495 -1.363 -35.764
Traceless
 xyz
x 7.997 0.394 -1.495
y 0.394 -8.557 -1.363
z -1.495 -1.363 0.560
Polar
3z2-r21.120
x2-y211.036
xy0.394
xz-1.495
yz-1.363


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.693 0.077 -0.361
y 0.077 5.693 -0.074
z -0.361 -0.074 5.786


<r2> (average value of r2) Å2
<r2> 147.308
(<r2>)1/2 12.137