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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-306.078313
Energy at 298.15K-306.088682
Nuclear repulsion energy264.871478
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 LSDA/6-31G**
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 3113 3055 4.58      
2 A 3110 3052 6.90      
3 A 3067 3010 16.14      
4 A 3011 2954 3.99      
5 A 3002 2946 39.68      
6 A 2956 2901 57.99      
7 A 2914 2860 48.79      
8 A 2830 2777 99.86      
9 A 1475 1447 0.70      
10 A 1450 1423 13.15      
11 A 1428 1401 10.79      
12 A 1427 1400 4.72      
13 A 1399 1373 78.44      
14 A 1341 1316 10.51      
15 A 1333 1308 3.01      
16 A 1327 1302 2.22      
17 A 1283 1259 0.77      
18 A 1220 1197 42.74      
19 A 1187 1165 11.25      
20 A 1176 1154 109.38      
21 A 1136 1115 24.34      
22 A 1117 1097 67.33      
23 A 1093 1072 37.80      
24 A 1081 1061 34.89      
25 A 1060 1040 20.27      
26 A 948 930 4.01      
27 A 880 864 1.68      
28 A 868 852 30.28      
29 A 846 831 12.19      
30 A 700 687 1.26      
31 A 655 643 2.51      
32 A 499 489 4.66      
33 A 325 319 5.78      
34 A 236 232 2.07      
35 A 219 215 1.65      
36 A 54 53 3.57      

Unscaled Zero Point Vibrational Energy (zpe) 25881.7 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 25397.7 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 LSDA/6-31G**
ABC
0.23648 0.11690 0.08693

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.057 0.016 -0.188
H2 -2.619 -0.901 0.046
H3 -2.598 0.881 0.225
H4 -1.977 0.130 -1.280
C5 -0.684 -0.052 0.391
H6 -0.713 -0.187 1.504
O7 0.034 1.130 0.097
O8 0.037 -1.102 -0.183
C9 1.373 -0.746 0.064
H10 2.031 -1.320 -0.608
H11 1.653 -0.964 1.119
C12 1.364 0.756 -0.189
H13 1.601 0.995 -1.245
H14 2.078 1.297 0.461

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.10061.10011.10091.49142.17042.38652.37393.52294.32134.05343.50053.93194.3771
H21.10061.79081.79742.14052.50373.34152.67263.99474.71394.40444.32024.80305.2019
H31.10011.79081.79332.13462.51522.64683.32244.29415.19234.71853.98574.45044.6999
H41.10091.79741.79332.12093.07402.63532.60363.71484.31524.48643.57083.68234.5651
C51.49142.14052.13462.12091.12101.41401.39782.19623.15912.61222.27742.99953.0747
H62.17042.50372.51523.07401.12102.06662.06002.59543.64252.51912.84033.78213.3279
O72.38653.34152.64682.63531.41402.06662.25002.30523.23812.83701.41122.06732.0825
O82.37392.67263.32242.60361.39782.06002.25001.40502.05062.07962.28372.82433.2153
C93.52293.99474.29413.71482.19622.59542.30521.40501.10121.11291.52292.19012.1973
H104.32134.71395.19234.31523.15913.64253.23812.05061.10121.80292.21962.43932.8268
H114.05344.40444.71854.48642.61222.51912.83702.07961.11291.80292.17963.07032.3927
C123.50054.32023.98573.57082.27742.84031.41122.28371.52292.21962.17961.10791.1067
H133.93194.80304.45043.68232.99953.78212.06732.82432.19012.43933.07031.10791.7963
H144.37715.20194.69994.56513.07473.32792.08253.21532.19732.82682.39271.10671.7963

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 111.582 C1 C5 O7 110.424
C1 C5 O8 110.460 H2 C1 H3 108.926
H2 C1 H4 109.466 H2 C1 C5 110.437
H3 C1 H4 109.128 H3 C1 C5 109.997
H4 C1 C5 108.868 C5 O7 C12 107.426
C5 O8 C9 103.179 H6 C5 O7 108.665
H6 C5 O8 109.254 O7 C5 O8 106.297
O7 C12 C9 103.498 O7 C12 H13 109.710
O7 C12 H14 111.023 O8 C9 H10 109.216
O8 C9 H11 110.830 O8 C9 C12 102.446
C9 C12 H13 111.742 C9 C12 H14 112.399
H10 C9 H11 109.026 H10 C9 C12 114.570
H11 C9 C12 110.606 H13 C12 H14 108.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.440      
2 H 0.153      
3 H 0.157      
4 H 0.158      
5 C 0.295      
6 H 0.098      
7 O -0.429      
8 O -0.404      
9 C -0.091      
10 H 0.150      
11 H 0.128      
12 C -0.045      
13 H 0.137      
14 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.936 -0.279 0.316 1.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.050 -0.245 -0.649
y -0.245 -40.098 -0.660
z -0.649 -0.660 -35.879
Traceless
 xyz
x 6.939 -0.245 -0.649
y -0.245 -6.634 -0.660
z -0.649 -0.660 -0.305
Polar
3z2-r2-0.610
x2-y29.049
xy-0.245
xz-0.649
yz-0.660


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.818 0.058 -0.178
y 0.058 6.501 -0.152
z -0.178 -0.152 6.725


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000