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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-305.964005
Energy at 298.15K-305.974784
HF Energy-305.964005
Nuclear repulsion energy265.779886
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3259 2954 52.36      
2 A 3254 2950 35.27      
3 A 3246 2942 26.23      
4 A 3221 2920 55.52      
5 A 3187 2888 64.50      
6 A 3179 2881 20.67      
7 A 3153 2858 64.18      
8 A 3109 2818 91.87      
9 A 1666 1510 0.51      
10 A 1648 1494 3.48      
11 A 1605 1455 20.86      
12 A 1604 1454 5.59      
13 A 1581 1433 72.30      
14 A 1530 1387 17.29      
15 A 1522 1380 1.58      
16 A 1517 1375 1.95      
17 A 1471 1334 0.63      
18 A 1370 1241 29.59      
19 A 1343 1217 3.91      
20 A 1297 1175 227.00      
21 A 1276 1156 48.98      
22 A 1240 1124 46.30      
23 A 1224 1109 41.31      
24 A 1189 1078 7.12      
25 A 1153 1045 45.76      
26 A 1025 929 13.38      
27 A 984 892 50.44      
28 A 955 866 4.59      
29 A 922 835 4.48      
30 A 767 695 2.41      
31 A 746 676 4.58      
32 A 540 490 5.85      
33 A 359 325 5.54      
34 A 249 226 0.07      
35 A 203 184 4.56      
36 A 66 60 5.40      

Unscaled Zero Point Vibrational Energy (zpe) 28329.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 25677.8 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 HF/Def2TZVPP
ABC
0.23984 0.11619 0.08656

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.068 0.012 -0.216
H2 -2.613 -0.898 -0.004
H3 -2.616 0.851 0.190
H4 -1.980 0.132 -1.287
C5 -0.697 -0.053 0.400
H6 -0.745 -0.179 1.478
O7 0.039 1.112 0.135
O8 0.051 -1.094 -0.140
C9 1.395 -0.737 0.040
H10 2.008 -1.287 -0.655
H11 1.704 -0.966 1.054
C12 1.359 0.760 -0.207
H13 1.527 0.999 -1.249
H14 2.060 1.312 0.403

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.08191.08171.08091.50462.15792.40302.39073.55174.30044.09783.50763.86814.3714
H21.08191.75981.76292.13342.49103.33142.67484.01174.68364.44534.30954.72135.1853
H31.08171.75981.76122.13242.49482.66903.31734.31665.16464.76563.99644.38834.7036
H41.08091.76291.76122.12763.04402.65722.63443.72864.28004.50033.56493.61264.5348
C51.50462.13342.13242.12761.08631.40371.39052.22963.15482.64992.29272.96143.0759
H62.15792.49102.49483.04401.08632.02122.02202.63773.65492.60642.85473.73953.3533
O72.40303.33142.66902.65721.40372.02122.22352.29493.20302.81661.40862.03512.0478
O82.39072.67483.31732.63441.39052.02202.22351.40232.03352.04332.26992.79073.1810
C93.55174.01174.31663.72862.22962.63772.29491.40231.07801.08471.51732.16582.1843
H104.30044.68365.16464.28003.15483.65493.20302.03351.07801.76572.19332.41032.8064
H114.09784.44534.76564.50032.64992.60642.81662.04331.08471.76572.16513.03232.3957
C123.50764.30953.99643.56492.29272.85471.40862.26991.51732.19332.16511.08141.0807
H133.86814.72134.38833.61262.96143.73952.03512.79072.16582.41033.03231.08141.7632
H144.37145.18534.70364.53483.07593.35332.04783.18102.18432.80642.39571.08071.7632

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 111.778 C1 C5 O7 111.386
C1 C5 O8 111.277 H2 C1 H3 108.850
H2 C1 H4 109.190 H2 C1 C5 110.063
H3 C1 H4 109.048 H3 C1 C5 110.005
H4 C1 C5 109.661 C5 O7 C12 109.223
C5 O8 C9 105.945 H6 C5 O7 107.854
H6 C5 O8 108.829 O7 C5 O8 105.452
O7 C12 C9 103.255 O7 C12 H13 108.923
O7 C12 H14 109.998 O8 C9 H10 109.444
O8 C9 H11 109.826 O8 C9 C12 101.988
C9 C12 H13 111.811 C9 C12 H14 113.375
H10 C9 H11 109.456 H10 C9 C12 114.303
H11 C9 C12 111.553 H13 C12 H14 109.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.162      
2 H 0.059      
3 H 0.058      
4 H 0.052      
5 C 0.405      
6 H 0.016      
7 O -0.427      
8 O -0.415      
9 C 0.099      
10 H 0.056      
11 H 0.039      
12 C 0.150      
13 H 0.036      
14 H 0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.171 -0.187 0.417 1.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.419 -0.088 -0.758
y -0.088 -41.062 -0.704
z -0.758 -0.704 -35.708
Traceless
 xyz
x 6.966 -0.088 -0.758
y -0.088 -7.499 -0.704
z -0.758 -0.704 0.533
Polar
3z2-r21.066
x2-y29.643
xy-0.088
xz-0.758
yz-0.704


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.614 0.016 -0.126
y 0.016 6.883 -0.102
z -0.126 -0.102 6.765


<r2> (average value of r2) Å2
<r2> 147.840
(<r2>)1/2 12.159