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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-307.595292
Energy at 298.15K-307.605832
HF Energy-307.595292
Nuclear repulsion energy263.412596
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 wB97X-D/cc-pVDZ
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 3178 3027 16.93      
2 A 3175 3024 14.80      
3 A 3167 3017 26.23      
4 A 3119 2971 40.02      
5 A 3082 2936 10.29      
6 A 3068 2923 62.90      
7 A 3033 2889 57.98      
8 A 2971 2831 94.12      
9 A 1546 1473 0.47      
10 A 1523 1451 5.17      
11 A 1501 1430 3.14      
12 A 1495 1424 9.14      
13 A 1457 1388 78.81      
14 A 1407 1340 6.14      
15 A 1401 1334 10.11      
16 A 1397 1331 0.80      
17 A 1355 1291 0.40      
18 A 1268 1208 28.21      
19 A 1240 1181 2.02      
20 A 1202 1145 143.59      
21 A 1178 1122 31.96      
22 A 1152 1098 55.69      
23 A 1132 1079 48.85      
24 A 1105 1053 13.95      
25 A 1077 1026 44.20      
26 A 965 919 7.29      
27 A 904 861 47.86      
28 A 898 855 8.36      
29 A 866 825 7.35      
30 A 711 677 1.69      
31 A 689 656 3.36      
32 A 514 489 5.02      
33 A 338 322 6.71      
34 A 233 222 0.32      
35 A 213 203 4.69      
36 A 69 66 6.02      

Unscaled Zero Point Vibrational Energy (zpe) 26811.8 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 25540.9 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 wB97X-D/cc-pVDZ
ABC
0.23492 0.11481 0.08531

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.076 0.013 -0.212
H2 -2.627 -0.906 0.002
H3 -2.626 0.861 0.203
H4 -1.985 0.139 -1.294
C5 -0.700 -0.053 0.402
H6 -0.746 -0.181 1.497
O7 0.038 1.133 0.129
O8 0.045 -1.111 -0.153
C9 1.399 -0.744 0.051
H10 2.023 -1.309 -0.643
H11 1.701 -0.968 1.084
C12 1.371 0.762 -0.209
H13 1.550 0.995 -1.265
H14 2.079 1.320 0.412

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09291.09241.09231.50852.17482.41742.40153.56714.32874.11293.52823.90164.4003
H21.09291.77891.78402.14472.50953.35852.68384.02964.71134.46184.33744.76075.2217
H31.09241.77891.78092.14122.50962.67963.33924.33655.19984.78054.02014.42864.7321
H41.09231.78401.78092.13583.06992.66592.64253.74694.31034.52403.58163.63714.5624
C51.50852.14472.14122.13581.10341.42381.40812.23823.17582.65922.30872.99003.0997
H62.17482.50952.50963.06991.10342.05292.05212.64763.67672.60382.87853.77923.3782
O72.41743.35852.67962.66591.42382.05292.26192.32013.24012.84491.42452.06092.0683
O82.40152.68383.33922.64251.40812.05212.26191.41802.04752.07222.29602.81733.2194
C93.56714.02964.33653.74692.23822.64762.32011.41801.09071.09931.52882.18582.2026
H104.32874.71135.19984.31033.17583.67673.24012.04751.09071.78962.21382.43232.8329
H114.11294.46184.78054.52402.65922.60382.84492.07221.09931.78962.18543.06482.4146
C123.52824.33744.02013.58162.30872.87851.42452.29601.52882.21382.18541.09541.0941
H133.90164.76074.42863.63712.99003.77922.06092.81732.18582.43233.06481.09541.7874
H144.40035.22174.73214.56243.09973.37822.06833.21942.20262.83292.41461.09411.7874

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 111.807 C1 C5 O7 111.024
C1 C5 O8 110.806 H2 C1 H3 108.982
H2 C1 H4 109.446 H2 C1 C5 110.033
H3 C1 H4 109.205 H3 C1 C5 109.790
H4 C1 C5 109.368 C5 O7 C12 108.300
C5 O8 C9 104.739 H6 C5 O7 107.983
H6 C5 O8 108.986 O7 C5 O8 106.021
O7 C12 C9 103.492 O7 C12 H13 109.044
O7 C12 H14 109.713 O8 C9 H10 108.698
O8 C9 H11 110.167 O8 C9 C12 102.298
C9 C12 H13 111.746 C9 C12 H14 113.189
H10 C9 H11 109.603 H10 C9 C12 114.334
H11 C9 C12 111.468 H13 C12 H14 109.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.474      
2 H 0.170      
3 H 0.172      
4 H 0.182      
5 C 0.069      
6 H 0.123      
7 O -0.380      
8 O -0.351      
9 C -0.053      
10 H 0.162      
11 H 0.143      
12 C -0.061      
13 H 0.150      
14 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.201 -0.261 0.490 1.323
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.833 -0.144 -0.758
y -0.144 -41.453 -0.808
z -0.758 -0.808 -36.012
Traceless
 xyz
x 7.900 -0.144 -0.758
y -0.144 -8.031 -0.808
z -0.758 -0.808 0.131
Polar
3z2-r20.262
x2-y210.620
xy-0.144
xz-0.758
yz-0.808


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.045 0.027 -0.113
y 0.027 7.235 -0.102
z -0.113 -0.102 7.184


<r2> (average value of r2) Å2
<r2> 149.634
(<r2>)1/2 12.233