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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-307.421789
Energy at 298.15K-307.431989
HF Energy-307.421789
Nuclear repulsion energy261.665870
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 PBEPBE/Def2TZVPP
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 3075 3037 13.64      
2 A 3072 3035 10.29      
3 A 3044 3007 27.17      
4 A 2996 2959 34.55      
5 A 2990 2954 8.23      
6 A 2954 2918 75.18      
7 A 2920 2885 51.87      
8 A 2831 2797 98.04      
9 A 1475 1457 0.58      
10 A 1458 1440 3.49      
11 A 1434 1416 2.60      
12 A 1433 1416 6.29      
13 A 1384 1367 68.23      
14 A 1342 1326 0.79      
15 A 1331 1315 7.04      
16 A 1318 1302 0.01      
17 A 1285 1270 0.82      
18 A 1206 1191 12.33      
19 A 1184 1169 1.10      
20 A 1138 1124 49.99      
21 A 1118 1105 24.96      
22 A 1088 1075 78.25      
23 A 1067 1054 42.65      
24 A 1026 1014 39.36      
25 A 1007 995 58.43      
26 A 926 915 9.20      
27 A 842 832 11.87      
28 A 832 822 33.43      
29 A 820 810 20.30      
30 A 682 674 0.60      
31 A 670 662 2.51      
32 A 497 491 3.10      
33 A 319 315 6.06      
34 A 206 204 0.48      
35 A 190 187 5.00      
36 A 39 39 2.99      

Unscaled Zero Point Vibrational Energy (zpe) 25598.5 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 25288.8 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 PBEPBE/Def2TZVPP
ABC
0.23300 0.11333 0.08377

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.086 0.014 -0.210
H2 -2.643 -0.905 0.013
H3 -2.637 0.869 0.202
H4 -2.000 0.133 -1.297
C5 -0.705 -0.051 0.400
H6 -0.754 -0.176 1.504
O7 0.040 1.146 0.125
O8 0.041 -1.121 -0.156
C9 1.404 -0.748 0.055
H10 2.034 -1.317 -0.638
H11 1.711 -0.967 1.095
C12 1.382 0.761 -0.209
H13 1.574 0.991 -1.270
H14 2.099 1.316 0.415

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09761.09691.09711.51222.17962.43212.41253.58234.35154.13373.54763.93384.4274
H21.09761.78371.79092.15372.51463.37912.69854.05024.74044.48714.36174.79835.2517
H31.09691.78371.78782.14912.51652.69263.35594.35465.22534.80344.04094.46244.7616
H41.09711.79091.78782.14363.08172.68592.65403.76734.33744.55043.60773.67584.5972
C51.51222.15372.14912.14361.11191.43571.41862.24723.19112.67542.32013.01093.1188
H62.17962.51462.51653.08171.11192.06872.06902.66103.69652.62092.89403.80483.3989
O72.43213.37912.69262.68591.43572.06872.28452.33443.25942.86281.43482.07902.0858
O82.41252.69853.35592.65401.41862.06902.28451.42842.05972.09192.31192.83773.2405
C93.58234.05024.35463.76732.24722.66102.33441.42841.09661.10581.53262.19312.2074
H104.35154.74045.22534.33743.19113.69653.25942.05971.09661.79722.22052.43702.8368
H114.13374.48714.80344.55042.67542.62092.86282.09191.10581.79722.19043.07342.4139
C123.54764.36174.04093.60772.32012.89401.43482.31191.53262.22052.19041.10211.1007
H133.93384.79834.46243.67583.01093.80482.07902.83772.19312.43703.07341.10211.7942
H144.42745.25174.76164.59723.11883.39892.08583.24052.20742.83682.41391.10071.7942

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 111.408 C1 C5 O7 111.161
C1 C5 O8 110.764 H2 C1 H3 108.741
H2 C1 H4 109.376 H2 C1 C5 110.215
H3 C1 H4 109.149 H3 C1 C5 109.892
H4 C1 C5 109.447 C5 O7 C12 107.852
C5 O8 C9 104.244 H6 C5 O7 107.908
H6 C5 O8 109.093 O7 C5 O8 106.328
O7 C12 C9 103.706 O7 C12 H13 109.374
O7 C12 H14 110.002 O8 C9 H10 108.606
O8 C9 H11 110.623 O8 C9 C12 102.604
C9 C12 H13 111.643 C9 C12 H14 112.894
H10 C9 H11 109.375 H10 C9 C12 114.225
H11 C9 C12 111.203 H13 C12 H14 109.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.219      
2 H 0.084      
3 H 0.087      
4 H 0.078      
5 C 0.177      
6 H 0.043      
7 O -0.261      
8 O -0.250      
9 C -0.035      
10 H 0.087      
11 H 0.068      
12 C 0.012      
13 H 0.070      
14 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.937 -0.208 0.509 1.087
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.874 -0.172 -0.700
y -0.172 -40.999 -0.442
z -0.700 -0.442 -36.438
Traceless
 xyz
x 6.844 -0.172 -0.700
y -0.172 -6.843 -0.442
z -0.700 -0.442 -0.001
Polar
3z2-r2-0.002
x2-y29.125
xy-0.172
xz-0.700
yz-0.442


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.211 0.035 -0.073
y 0.035 7.858 -0.120
z -0.073 -0.120 7.678


<r2> (average value of r2) Å2
<r2> 151.730
(<r2>)1/2 12.318