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

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G*
 hartrees
Energy at 0K-60.445706
Energy at 298.15K-60.457355
Nuclear repulsion energy145.308044
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/CEP-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 3154 3019 0.00      
2 Ag 3020 2891 0.00      
3 Ag 3008 2879 0.00      
4 Ag 1519 1454 0.00      
5 Ag 1498 1434 0.00      
6 Ag 1485 1422 0.00      
7 Ag 1453 1391 0.00      
8 Ag 1245 1192 0.00      
9 Ag 1200 1149 0.00      
10 Ag 1093 1046 0.00      
11 Ag 1045 1000 0.00      
12 Ag 394 377 0.00      
13 Ag 332 317 0.00      
14 Au 3078 2947 75.65      
15 Au 3067 2935 220.94      
16 Au 1483 1420 15.00      
17 Au 1239 1186 10.58      
18 Au 1174 1124 0.87      
19 Au 818 783 0.01      
20 Au 254 243 8.96      
21 Au 106 101 11.74      
22 Au 76 73 3.14      
23 Bg 3067 2936 0.00      
24 Bg 3050 2919 0.00      
25 Bg 1483 1420 0.00      
26 Bg 1288 1232 0.00      
27 Bg 1185 1135 0.00      
28 Bg 1139 1090 0.00      
29 Bg 239 228 0.00      
30 Bg 135 129 0.00      
31 Bu 3154 3019 86.73      
32 Bu 3023 2894 156.59      
33 Bu 3007 2879 137.78      
34 Bu 1526 1461 3.83      
35 Bu 1496 1432 25.80      
36 Bu 1476 1413 2.82      
37 Bu 1354 1296 28.13      
38 Bu 1237 1184 287.11      
39 Bu 1187 1136 88.54      
40 Bu 1003 960 65.82      
41 Bu 498 476 3.87      
42 Bu 141 135 5.17      

Unscaled Zero Point Vibrational Energy (zpe) 31214.1 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 29878.1 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/CEP-31G*
ABC
0.62130 0.04288 0.04139

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.434 1.749 0.000
O2 -0.434 -1.749 0.000
C3 0.285 -2.963 0.000
C4 -0.285 2.963 0.000
C5 -0.434 0.631 0.000
C6 0.434 -0.631 0.000
H7 0.447 3.784 0.000
H8 -0.447 -3.784 0.000
H9 0.928 -3.057 0.898
H10 0.928 -3.057 -0.898
H11 -0.928 3.057 0.898
H12 -0.928 3.057 -0.898
H13 -1.088 0.632 0.895
H14 -1.088 0.632 -0.895
H15 1.088 -0.632 0.895
H16 1.088 -0.632 -0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.60364.71381.41071.41492.38002.03525.60244.91374.91372.09132.09132.08922.08922.62652.6265
O23.60361.41074.71382.38001.41495.60242.03522.09132.09134.91374.91372.62652.62652.08922.0892
C34.71381.41075.95273.66512.33636.74861.09981.10911.10916.20586.20583.95083.95082.62272.6227
C41.41074.71385.95272.33633.66511.09986.74866.20586.20581.10911.10912.62272.62273.95083.9508
C51.41492.38003.66512.33631.53203.27344.41524.03284.03282.63332.63331.10881.10882.17122.1712
C62.38001.41492.33633.66511.53204.41523.27342.63332.63334.03284.03282.17122.17121.10881.1088
H72.03525.60246.74861.09983.27344.41527.62056.91626.91621.79641.79643.61823.61824.55134.5513
H85.60242.03521.09986.74864.41523.27347.62051.79641.79646.91626.91624.55134.55133.61823.6182
H94.91372.09131.10916.20584.03282.63336.91621.79641.79676.38926.63704.20414.57072.42983.0201
H104.91372.09131.10916.20584.03282.63336.91621.79641.79676.63706.38924.57074.20413.02012.4298
H112.09134.91376.20581.10912.63334.03281.79646.91626.38926.63701.79672.42983.02014.20414.5707
H122.09134.91376.20581.10912.63334.03281.79646.91626.63706.38921.79673.02012.42984.57074.2041
H132.08922.62653.95082.62271.10882.17123.61824.55134.20414.57072.42983.02011.79042.51693.0888
H142.08922.62653.95082.62271.10882.17123.61824.55134.57074.20413.02012.42981.79043.08882.5169
H152.62652.08922.62273.95082.17121.10884.55133.61822.42983.02014.20414.57072.51693.08881.7904
H162.62652.08922.62273.95082.17121.10884.55133.61823.02012.42984.57074.20413.08882.51691.7904

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 107.683 O1 C4 H11 111.627
O1 C4 H12 111.627 O1 C5 C6 107.665
O1 C5 H13 111.175 O1 C5 H14 111.175
O2 C3 H8 107.683 O2 C3 H9 111.627
O2 C3 H10 111.627 O2 C6 C5 107.665
O2 C6 H15 111.175 O2 C6 H16 111.175
C3 O2 C6 111.548 C4 O1 C5 111.548
C5 C6 H15 109.569 C5 C6 H16 109.569
C6 C5 H13 109.569 C6 C5 H14 109.569
H7 C4 H11 108.829 H7 C4 H12 108.829
H8 C3 H9 108.829 H8 C3 H10 108.829
H9 C3 H10 108.180 H11 C4 H12 108.180
H13 C5 H14 107.679 H15 C6 H16 107.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.185      
2 O -0.185      
3 C -0.375      
4 C -0.375      
5 C -0.184      
6 C -0.184      
7 H 0.215      
8 H 0.215      
9 H 0.139      
10 H 0.139      
11 H 0.139      
12 H 0.139      
13 H 0.125      
14 H 0.125      
15 H 0.125      
16 H 0.125      


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 -38.568 -4.947 0.000
y -4.947 -30.837 0.000
z 0.000 0.000 -37.099
Traceless
 xyz
x -4.599 -4.947 0.000
y -4.947 6.996 0.000
z 0.000 0.000 -2.396
Polar
3z2-r2-4.793
x2-y2-7.730
xy-4.947
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.310 -0.162 0.000
y -0.162 9.173 0.000
z 0.000 0.000 6.231


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