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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-307.572716
Energy at 298.15K-307.583158
Nuclear repulsion energy263.101609
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 B3PW91/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 3164 3053 13.05      
2 A 3160 3050 11.98      
3 A 3129 3020 28.06      
4 A 3078 2970 47.29      
5 A 3064 2956 8.88      
6 A 3032 2926 64.80      
7 A 2996 2891 60.44      
8 A 2925 2823 106.71      
9 A 1505 1452 0.54      
10 A 1485 1433 6.67      
11 A 1457 1406 14.28      
12 A 1455 1404 5.62      
13 A 1428 1378 68.47      
14 A 1377 1329 13.64      
15 A 1371 1323 1.11      
16 A 1366 1318 3.77      
17 A 1320 1274 0.53      
18 A 1243 1200 25.46      
19 A 1216 1173 1.33      
20 A 1186 1144 136.06      
21 A 1156 1115 28.30      
22 A 1130 1091 57.91      
23 A 1108 1069 50.28      
24 A 1086 1048 23.05      
25 A 1064 1027 34.08      
26 A 962 928 10.19      
27 A 888 857 30.21      
28 A 885 854 15.07      
29 A 855 825 9.05      
30 A 710 685 1.41      
31 A 681 657 2.34      
32 A 503 486 4.50      
33 A 330 318 5.29      
34 A 225 218 0.50      
35 A 205 198 3.46      
36 A 61 59 3.72      

Unscaled Zero Point Vibrational Energy (zpe) 26400.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 25476.8 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 B3PW91/cc-pVDZ
ABC
0.23369 0.11492 0.08533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.076 0.013 -0.197
H2 -2.634 -0.902 0.051
H3 -2.620 0.879 0.206
H4 -2.004 0.110 -1.290
C5 -0.693 -0.045 0.396
H6 -0.735 -0.160 1.504
O7 0.034 1.138 0.090
O8 0.037 -1.113 -0.157
C9 1.390 -0.753 0.045
H10 2.013 -1.308 -0.670
H11 1.715 -1.003 1.075
C12 1.378 0.763 -0.180
H13 1.626 1.028 -1.223
H14 2.071 1.297 0.492

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09961.09911.09951.50642.17252.40852.39523.55854.32324.12633.53493.97374.3957
H21.09961.78751.79352.14982.50333.35852.68754.02704.71984.46944.34984.84705.2119
H31.09911.78751.79122.14592.51302.66943.34114.33295.19774.80574.01874.48284.7185
H41.09951.79351.79122.14143.07982.66732.63553.74814.30474.54563.61893.74504.6032
C51.50642.14982.14592.14141.11431.42161.40732.22803.17052.67922.29653.02493.0737
H62.17252.50332.51303.07981.11432.06732.06522.64553.68732.62742.85563.79773.3196
O72.40853.35852.66942.66731.42162.06732.26472.32733.23662.89481.42132.06652.0823
O82.39522.68753.34112.63551.40732.06522.26471.41482.05032.08462.30632.87163.2197
C93.55854.02704.33293.74812.22802.64552.32731.41481.09851.10811.53272.19902.2056
H104.32324.71985.19774.30473.17053.68733.23662.05031.09851.79542.22082.43182.8529
H114.12634.46944.80574.54562.67922.62742.89482.08461.10811.79542.19273.06802.3991
C123.53494.34984.01873.61892.29652.85561.42132.30631.53272.22082.19271.10401.1033
H133.97374.84704.48283.74503.02493.79772.06652.87162.19902.43183.06801.10401.7921
H144.39575.21194.71854.60323.07373.31962.08233.21972.20562.85292.39911.10331.7921

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 111.108 C1 C5 O7 110.658
C1 C5 O8 110.540 H2 C1 H3 108.778
H2 C1 H4 109.289 H2 C1 C5 110.189
H3 C1 H4 109.118 H3 C1 C5 109.912
H4 C1 C5 109.534 C5 O7 C12 107.761
C5 O8 C9 104.274 H6 C5 O7 108.611
H6 C5 O8 109.424 O7 C5 O8 106.366
O7 C12 C9 103.910 O7 C12 H13 109.194
O7 C12 H14 110.499 O8 C9 H10 108.678
O8 C9 H11 110.845 O8 C9 C12 102.901
C9 C12 H13 112.006 C9 C12 H14 112.574
H10 C9 H11 108.910 H10 C9 C12 114.122
H11 C9 C12 111.247 H13 C12 H14 108.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.035      
2 H 0.051      
3 H 0.054      
4 H 0.050      
5 C 0.193      
6 H 0.014      
7 O -0.343      
8 O -0.315      
9 C 0.061      
10 H 0.047      
11 H 0.033      
12 C 0.113      
13 H 0.042      
14 H 0.035      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.990 -0.239 0.347 1.076
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.175 -0.157 -0.735
y -0.157 -40.203 -0.587
z -0.735 -0.587 -35.622
Traceless
 xyz
x 6.737 -0.157 -0.735
y -0.157 -6.804 -0.587
z -0.735 -0.587 0.067
Polar
3z2-r20.133
x2-y29.028
xy-0.157
xz-0.735
yz-0.587


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 149.538
(<r2>)1/2 12.229