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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-305.956985
Energy at 298.15K-305.967746
HF Energy-305.956985
Nuclear repulsion energy265.688054
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/daug-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 3256 2946 50.36      
2 A 3251 2941 34.71      
3 A 3243 2934 25.47      
4 A 3218 2911 52.21      
5 A 3185 2881 66.53      
6 A 3176 2873 20.22      
7 A 3151 2851 61.95      
8 A 3106 2809 89.66      
9 A 1665 1506 0.61      
10 A 1648 1491 3.59      
11 A 1605 1452 18.38      
12 A 1604 1451 6.52      
13 A 1580 1429 71.89      
14 A 1528 1382 16.38      
15 A 1522 1377 2.42      
16 A 1515 1371 1.03      
17 A 1470 1330 0.63      
18 A 1369 1238 29.07      
19 A 1342 1214 4.50      
20 A 1296 1172 220.92      
21 A 1276 1154 51.38      
22 A 1241 1122 45.66      
23 A 1223 1107 42.04      
24 A 1189 1076 6.95      
25 A 1153 1043 46.62      
26 A 1025 927 12.73      
27 A 984 890 51.22      
28 A 952 861 3.86      
29 A 922 834 4.25      
30 A 766 693 2.31      
31 A 748 677 4.70      
32 A 541 489 5.62      
33 A 358 324 5.76      
34 A 248 224 0.07      
35 A 201 181 4.90      
36 A 64 58 5.31      

Unscaled Zero Point Vibrational Energy (zpe) 28309.6 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 25608.9 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/daug-cc-pVTZ
ABC
0.23998 0.11606 0.08641

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.071 0.011 -0.204
H2 -2.611 -0.895 0.039
H3 -2.613 0.859 0.193
H4 -2.001 0.106 -1.279
C5 -0.691 -0.039 0.395
H6 -0.744 -0.139 1.479
O7 0.036 1.115 0.087
O8 0.041 -1.097 -0.127
C9 1.388 -0.753 0.021
H10 1.971 -1.277 -0.719
H11 1.743 -1.027 1.011
C12 1.371 0.765 -0.169
H13 1.625 1.051 -1.181
H14 2.033 1.279 0.517

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.08251.08221.08181.50492.14832.39592.38613.54874.27354.13463.52403.96184.3555
H21.08251.76101.76462.13222.47583.32372.66504.00114.66044.46294.31974.81895.1501
H31.08221.76101.76322.13042.47772.66263.31234.31605.13894.81594.00144.45904.6758
H41.08181.76461.76322.13103.04142.65192.63613.73034.24414.53303.61163.74874.5693
C51.50492.13222.13042.13101.09031.39781.38892.22933.14062.69802.28423.00603.0287
H62.14832.47582.47773.04141.09032.02972.02862.65463.67472.68212.83013.75613.2638
O72.39593.32372.66262.65191.39782.02972.22232.30643.18082.89031.40412.03402.0498
O82.38612.66503.31232.63611.38892.02862.22231.39762.02702.04822.28912.86993.1670
C93.54874.00114.31603.73032.22932.65462.30641.39761.07901.08631.52982.18122.1889
H104.27354.66045.13894.24413.14063.67473.18082.02701.07901.76272.19872.39922.8400
H114.13464.46294.81594.53302.69802.68212.89032.04821.08631.76272.17693.02262.3759
C123.52404.31974.00143.61162.28422.83011.40412.28911.52982.19872.17691.08241.0824
H133.96184.81894.45903.74873.00603.75612.03402.86992.18122.39923.02261.08241.7610
H144.35555.15014.67584.56933.02873.26382.04983.16702.18892.84002.37591.08241.7610

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 110.736 C1 C5 O7 111.209
C1 C5 O8 111.028 H2 C1 H3 108.878
H2 C1 H4 109.239 H2 C1 C5 109.913
H3 C1 H4 109.136 H3 C1 C5 109.787
H4 C1 C5 109.866 C5 O7 C12 109.221
C5 O8 C9 106.269 H6 C5 O7 108.700
H6 C5 O8 109.233 O7 C5 O8 105.782
O7 C12 C9 103.562 O7 C12 H13 109.088
O7 C12 H14 110.378 O8 C9 H10 109.191
O8 C9 H11 110.467 O8 C9 C12 102.781
C9 C12 H13 112.093 C9 C12 H14 112.718
H10 C9 H11 108.994 H10 C9 C12 113.749
H11 C9 C12 111.506 H13 C12 H14 108.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.330      
2 H 0.235      
3 H 0.257      
4 H 0.412      
5 C 0.687      
6 H 0.798      
7 O -0.736      
8 O -0.910      
9 C -0.605      
10 H 0.599      
11 H 0.355      
12 C -0.669      
13 H 0.481      
14 H 0.426      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.163 -0.183 0.455 1.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.490 -0.080 -0.750
y -0.080 -41.150 -0.692
z -0.750 -0.692 -35.720
Traceless
 xyz
x 6.945 -0.080 -0.750
y -0.080 -7.545 -0.692
z -0.750 -0.692 0.600
Polar
3z2-r21.199
x2-y29.660
xy-0.080
xz-0.750
yz-0.692


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.861 0.013 -0.099
y 0.013 7.169 -0.086
z -0.099 -0.086 6.940


<r2> (average value of r2) Å2
<r2> 148.017
(<r2>)1/2 12.166