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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-308.729000
Energy at 298.15K-308.740636
Nuclear repulsion energy253.314102
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 B1B95/6-31+G**
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 3155 3018 0.00      
2 Ag 3005 2875 0.00      
3 Ag 2996 2866 0.00      
4 Ag 1525 1459 0.00      
5 Ag 1502 1437 0.00      
6 Ag 1482 1418 0.00      
7 Ag 1445 1382 0.00      
8 Ag 1244 1190 0.00      
9 Ag 1193 1141 0.00      
10 Ag 1093 1045 0.00      
11 Ag 1036 991 0.00      
12 Ag 398 381 0.00      
13 Ag 330 316 0.00      
14 Au 3061 2928 17.30      
15 Au 3053 2921 208.86      
16 Au 1488 1423 17.13      
17 Au 1237 1183 14.64      
18 Au 1175 1124 3.20      
19 Au 833 797 0.27      
20 Au 243 233 9.17      
21 Au 98 94 9.26      
22 Au 71 68 3.62      
23 Bg 3055 2922 0.00      
24 Bg 3034 2902 0.00      
25 Bg 1488 1424 0.00      
26 Bg 1294 1238 0.00      
27 Bg 1189 1138 0.00      
28 Bg 1148 1098 0.00      
29 Bg 230 220 0.00      
30 Bg 129 124 0.00      
31 Bu 3155 3018 54.70      
32 Bu 3008 2878 138.54      
33 Bu 2996 2866 110.30      
34 Bu 1531 1464 4.08      
35 Bu 1503 1437 24.98      
36 Bu 1474 1410 1.36      
37 Bu 1357 1298 24.84      
38 Bu 1232 1178 251.28      
39 Bu 1184 1132 149.82      
40 Bu 989 946 68.73      
41 Bu 500 479 3.59      
42 Bu 145 139 4.30      

Unscaled Zero Point Vibrational Energy (zpe) 31151.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 29799.4 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 B1B95/6-31+G**
ABC
0.63592 0.04323 0.04176

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.430 1.736 0.000
O2 -0.430 -1.736 0.000
C3 0.268 -2.956 0.000
C4 -0.268 2.956 0.000
C5 -0.430 0.622 0.000
C6 0.430 -0.622 0.000
H7 0.475 3.755 0.000
H8 -0.475 -3.755 0.000
H9 0.902 -3.057 0.892
H10 0.902 -3.057 -0.892
H11 -0.902 3.057 0.892
H12 -0.902 3.057 -0.892
H13 -1.078 0.626 0.889
H14 -1.078 0.626 -0.889
H15 1.078 -0.626 0.889
H16 1.078 -0.626 -0.889

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.57764.69561.40551.40742.35882.01925.56554.89834.89832.07692.07692.07292.07292.60632.6063
O23.57761.40554.69562.35881.40745.56552.01922.07692.07694.89834.89832.60632.60632.07292.0729
C34.69561.40555.93713.64632.33976.71481.09041.09921.09926.19066.19063.92923.92922.62232.6223
C41.40554.69565.93712.33973.64631.09046.71486.19066.19061.09921.09922.62232.62233.92923.9292
C51.40742.35883.64632.33971.51323.26074.37774.01334.01332.63532.63531.10001.10002.15062.1506
C62.35881.40742.33973.64631.51324.37773.26072.63532.63534.01334.01332.15062.15061.10001.1000
H72.01925.56556.71481.09043.26074.37777.57006.88336.88331.78281.78283.60423.60424.51134.5113
H85.56552.01921.09046.71484.37773.26077.57001.78281.78286.88336.88334.51134.51133.60423.6042
H94.89832.07691.09926.19064.01332.63536.88331.78281.78466.37406.61924.18174.54522.43683.0184
H104.89832.07691.09926.19064.01332.63536.88331.78281.78466.61926.37404.54524.18173.01842.4368
H112.07694.89836.19061.09922.63534.01331.78286.88336.37406.61921.78462.43683.01844.18174.5452
H122.07694.89836.19061.09922.63534.01331.78286.88336.61926.37401.78463.01842.43684.54524.1817
H132.07292.60633.92922.62231.10002.15063.60424.51134.18174.54522.43683.01841.77772.49403.0627
H142.07292.60633.92922.62231.10002.15063.60424.51134.54524.18173.01842.43681.77773.06272.4940
H152.60632.07292.62233.92922.15061.10004.51133.60422.43683.01844.18174.54522.49403.06271.7777
H162.60632.07292.62233.92922.15061.10004.51133.60423.01842.43684.54524.18173.06272.49401.7777

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 107.327 O1 C4 H11 111.442
O1 C4 H12 111.442 O1 C5 C6 107.674
O1 C5 H13 110.930 O1 C5 H14 110.930
O2 C3 H8 107.327 O2 C3 H9 111.442
O2 C3 H10 111.442 O2 C6 C5 107.674
O2 C6 H15 110.930 O2 C6 H16 110.930
C3 O2 C6 112.561 C4 O1 C5 112.561
C5 C6 H15 109.750 C5 C6 H16 109.750
C6 C5 H13 109.750 C6 C5 H14 109.750
H7 C4 H11 109.019 H7 C4 H12 109.019
H8 C3 H9 109.019 H8 C3 H10 109.019
H9 C3 H10 108.537 H11 C4 H12 108.537
H13 C5 H14 107.807 H15 C6 H16 107.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.340      
2 O -0.340      
3 C -0.223      
4 C -0.223      
5 C -0.153      
6 C -0.153      
7 H 0.156      
8 H 0.156      
9 H 0.136      
10 H 0.136      
11 H 0.136      
12 H 0.136      
13 H 0.145      
14 H 0.145      
15 H 0.145      
16 H 0.145      


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 -40.104 -4.571 0.000
y -4.571 -31.734 0.000
z 0.000 0.000 -38.450
Traceless
 xyz
x -5.012 -4.571 0.000
y -4.571 7.543 0.000
z 0.000 0.000 -2.531
Polar
3z2-r2-5.063
x2-y2-8.370
xy-4.571
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.811 -0.181 0.000
y -0.181 10.487 0.000
z 0.000 0.000 7.534


<r2> (average value of r2) Å2
<r2> 268.623
(<r2>)1/2 16.390