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

using model chemistry: HF/6-311G**

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/6-311G**
 hartrees
Energy at 0K-305.916664
Energy at 298.15K-305.927481
Nuclear repulsion energy265.586672
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/6-311G**
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 3269 2970 55.19      
2 A 3260 2962 39.80      
3 A 3252 2955 30.25      
4 A 3233 2937 59.00      
5 A 3194 2902 62.78      
6 A 3181 2890 19.31      
7 A 3160 2871 75.24      
8 A 3129 2843 89.59      
9 A 1665 1513 0.62      
10 A 1647 1496 4.40      
11 A 1607 1460 31.01      
12 A 1604 1457 4.96      
13 A 1584 1439 68.84      
14 A 1532 1392 21.17      
15 A 1520 1381 0.12      
16 A 1518 1379 5.57      
17 A 1470 1335 0.57      
18 A 1370 1245 33.07      
19 A 1341 1219 3.99      
20 A 1300 1181 233.00      
21 A 1275 1158 42.97      
22 A 1243 1130 53.96      
23 A 1226 1113 35.24      
24 A 1192 1083 7.14      
25 A 1154 1049 43.69      
26 A 1025 931 15.49      
27 A 988 898 53.35      
28 A 960 872 5.16      
29 A 926 841 5.32      
30 A 769 698 3.35      
31 A 743 675 4.28      
32 A 541 491 6.78      
33 A 359 326 5.66      
34 A 251 228 0.15      
35 A 210 191 4.57      
36 A 73 66 5.88      

Unscaled Zero Point Vibrational Energy (zpe) 28384.9 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 25787.6 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/6-311G**
ABC
0.23889 0.11625 0.08662

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.066 0.011 -0.211
H2 -2.612 -0.896 0.021
H3 -2.611 0.862 0.183
H4 -1.980 0.111 -1.287
C5 -0.691 -0.044 0.401
H6 -0.750 -0.153 1.484
O7 0.036 1.116 0.107
O8 0.042 -1.098 -0.129
C9 1.388 -0.750 0.027
H10 1.979 -1.285 -0.703
H11 1.734 -1.009 1.026
C12 1.366 0.765 -0.184
H13 1.589 1.034 -1.210
H14 2.047 1.292 0.474

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.08461.08421.08371.50572.15272.39612.38403.54504.27574.12483.51393.92504.3619
H21.08461.76581.76782.13582.48273.32762.66664.00304.66384.46264.31624.78495.1675
H31.08421.76581.76672.13362.48732.66063.31354.31445.14384.80553.99504.42864.6868
H41.08371.76781.76672.12923.04372.64932.62583.71674.23854.51693.58363.68774.5514
C51.50572.13582.13362.12921.09091.40041.38962.22763.14442.68452.28662.99303.0475
H62.15272.48272.48733.04371.09092.03152.03132.65573.67592.66772.84673.76073.3061
O72.39613.32762.66062.64931.40042.03152.22692.30553.19272.87161.40562.03792.0515
O82.38402.66663.31352.62581.38962.03132.22691.39882.02802.05032.28622.84753.1774
C93.54504.00304.31443.71672.22762.65572.30551.39881.08061.08841.52962.18022.1917
H104.27574.66385.14384.23853.14443.67593.19272.02801.08061.76702.20162.40572.8340
H114.12484.46264.80554.51692.68452.66772.87162.05031.08841.76702.17893.03262.3872
C123.51394.31623.99503.58362.28662.84671.40562.28621.52962.20162.17891.08431.0839
H133.92504.78494.42863.68772.99303.76072.03792.84752.18022.40573.03261.08431.7649
H144.36195.16754.68684.55143.04753.30612.05153.17742.19172.83402.38721.08391.7649

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 110.992 C1 C5 O7 111.027
C1 C5 O8 110.786 H2 C1 H3 109.007
H2 C1 H4 109.231 H2 C1 C5 110.016
H3 C1 H4 109.155 H3 C1 C5 109.869
H4 C1 C5 109.543 C5 O7 C12 109.151
C5 O8 C9 106.044 H6 C5 O7 108.619
H6 C5 O8 109.355 O7 C5 O8 105.908
O7 C12 C9 103.444 O7 C12 H13 109.180
O7 C12 H14 110.312 O8 C9 H10 109.092
O8 C9 H11 110.424 O8 C9 C12 102.558
C9 C12 H13 111.914 C9 C12 H14 112.875
H10 C9 H11 109.114 H10 C9 C12 113.910
H11 C9 C12 111.559 H13 C12 H14 108.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.219      
2 H 0.096      
3 H 0.097      
4 H 0.094      
5 C 0.373      
6 H 0.063      
7 O -0.501      
8 O -0.472      
9 C -0.000      
10 H 0.103      
11 H 0.088      
12 C 0.110      
13 H 0.086      
14 H 0.082      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.299 -0.217 0.416 1.381
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.114 -0.080 -0.856
y -0.080 -41.319 -0.765
z -0.856 -0.765 -35.671
Traceless
 xyz
x 7.381 -0.080 -0.856
y -0.080 -7.926 -0.765
z -0.856 -0.765 0.545
Polar
3z2-r21.091
x2-y210.205
xy-0.080
xz-0.856
yz-0.765


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.050 0.019 -0.134
y 0.019 6.248 -0.113
z -0.134 -0.113 6.319


<r2> (average value of r2) Å2
<r2> 147.826
(<r2>)1/2 12.158