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All results from a given calculation for C4H10O2 (Ethane, 1,2-dimethoxy-)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-308.495209
Energy at 298.15K-308.506928
HF Energy-308.495209
Nuclear repulsion energy253.715460
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 PBE1PBE/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 Ag 3166 3008 0.00      
2 Ag 3016 2866 0.00      
3 Ag 3005 2855 0.00      
4 Ag 1559 1481 0.00      
5 Ag 1533 1457 0.00      
6 Ag 1511 1436 0.00      
7 Ag 1470 1397 0.00      
8 Ag 1266 1203 0.00      
9 Ag 1215 1155 0.00      
10 Ag 1107 1052 0.00      
11 Ag 1057 1005 0.00      
12 Ag 405 385 0.00      
13 Ag 337 320 0.00      
14 Au 3065 2912 1.03      
15 Au 3061 2908 244.04      
16 Au 1515 1440 13.15      
17 Au 1255 1193 12.66      
18 Au 1194 1135 2.25      
19 Au 845 803 0.29      
20 Au 253 240 8.49      
21 Au 108 103 7.71      
22 Au 72 69 3.44      
23 Bg 3062 2910 0.00      
24 Bg 3037 2886 0.00      
25 Bg 1515 1440 0.00      
26 Bg 1312 1247 0.00      
27 Bg 1211 1151 0.00      
28 Bg 1170 1112 0.00      
29 Bg 238 226 0.00      
30 Bg 131 124 0.00      
31 Bu 3165 3008 60.44      
32 Bu 3018 2868 134.31      
33 Bu 3006 2856 80.05      
34 Bu 1565 1488 2.57      
35 Bu 1535 1458 25.45      
36 Bu 1502 1427 4.57      
37 Bu 1378 1310 32.33      
38 Bu 1255 1192 270.55      
39 Bu 1205 1145 116.98      
40 Bu 1012 962 62.92      
41 Bu 511 485 4.10      
42 Bu 148 141 3.95      

Unscaled Zero Point Vibrational Energy (zpe) 31493.1 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 29927.9 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 PBE1PBE/6-31G*
ABC
0.63458 0.04346 0.04197

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.429 1.733 0.000
O2 -0.429 -1.733 0.000
C3 0.270 -2.946 0.000
C4 -0.270 2.946 0.000
C5 -0.429 0.624 0.000
C6 0.429 -0.624 0.000
H7 0.471 3.750 0.000
H8 -0.471 -3.750 0.000
H9 0.908 -3.050 0.892
H10 0.908 -3.050 -0.892
H11 -0.908 3.050 0.892
H12 -0.908 3.050 -0.892
H13 -1.082 0.623 0.889
H14 -1.082 0.623 -0.889
H15 1.082 -0.623 0.889
H16 1.082 -0.623 -0.889

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.57044.68181.40071.40292.35642.01745.55604.88894.88892.07882.07882.07532.07532.60122.6012
O23.57041.40074.68182.35641.40295.55602.01742.07882.07884.88894.88892.60122.60122.07532.0753
C34.68181.40075.91743.63782.32826.69911.09301.10201.10206.17596.17593.91913.91912.61672.6167
C41.40074.68185.91742.32823.63781.09306.69916.17596.17591.10201.10202.61672.61673.91913.9191
C51.40292.35643.63782.32821.51443.25324.37354.01024.01022.62932.62931.10271.10272.15162.1516
C62.35641.40292.32823.63781.51444.37353.25322.62932.62934.01024.01022.15162.15161.10271.1027
H72.01745.55606.69911.09303.25324.37357.55846.87206.87201.78561.78563.60253.60254.50394.5039
H85.55602.01741.09306.69914.37353.25327.55841.78561.78566.87206.87204.50394.50393.60253.6025
H94.88892.07881.10206.17594.01022.62936.87201.78561.78486.36496.61044.17794.54172.43323.0154
H104.88892.07881.10206.17594.01022.62936.87201.78561.78486.61046.36494.54174.17793.01542.4332
H112.07884.88896.17591.10202.62934.01021.78566.87206.36496.61041.78482.43323.01544.17794.5417
H122.07884.88896.17591.10202.62934.01021.78566.87206.61046.36491.78483.01542.43324.54174.1779
H132.07532.60123.91912.61671.10272.15163.60254.50394.17794.54172.43323.01541.77742.49773.0656
H142.07532.60123.91912.61671.10272.15163.60254.50394.54174.17793.01542.43321.77743.06562.4977
H152.60122.07532.61673.91912.15161.10274.50393.60252.43323.01544.17794.54172.49773.06561.7774
H162.60122.07532.61673.91912.15161.10274.50393.60253.01542.43324.54174.17793.06562.49771.7774

picture of Ethane, 1,2-dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C4 H7 107.351 O1 C4 H11 111.763
O1 C4 H12 111.763 O1 C5 C6 107.691
O1 C5 H13 111.275 O1 C5 H14 111.275
O2 C3 H8 107.351 O2 C3 H9 111.763
O2 C3 H10 111.763 O2 C6 C5 107.691
O2 C6 H15 111.275 O2 C6 H16 111.275
C3 O2 C6 112.285 C4 O1 C5 112.285
C5 C6 H15 109.599 C5 C6 H16 109.599
C6 C5 H13 109.599 C6 C5 H14 109.599
H7 C4 H11 108.875 H7 C4 H12 108.875
H8 C3 H9 108.875 H8 C3 H10 108.875
H9 C3 H10 108.146 H11 C4 H12 108.146
H13 C5 H14 107.397 H15 C6 H16 107.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.470      
2 O -0.470      
3 C -0.261      
4 C -0.261      
5 C -0.079      
6 C -0.079      
7 H 0.185      
8 H 0.185      
9 H 0.154      
10 H 0.154      
11 H 0.154      
12 H 0.154      
13 H 0.158      
14 H 0.158      
15 H 0.158      
16 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.973 -4.056 0.000
y -4.056 -31.249 0.000
z 0.000 0.000 -37.950
Traceless
 xyz
x -4.374 -4.056 0.000
y -4.056 7.212 0.000
z 0.000 0.000 -2.838
Polar
3z2-r2-5.677
x2-y2-7.724
xy-4.056
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.723 -0.124 0.000
y -0.124 9.496 0.000
z 0.000 0.000 6.687


<r2> (average value of r2) Å2
<r2> 267.098
(<r2>)1/2 16.343