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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-308.789145
Energy at 298.15K-308.800812
Nuclear repulsion energy253.915206
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 B1B95/6-311G**
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 3137 3012 0.00      
2 Ag 2988 2869 0.00      
3 Ag 2978 2860 0.00      
4 Ag 1526 1465 0.00      
5 Ag 1502 1442 0.00      
6 Ag 1483 1424 0.00      
7 Ag 1446 1389 0.00      
8 Ag 1246 1197 0.00      
9 Ag 1192 1144 0.00      
10 Ag 1094 1051 0.00      
11 Ag 1038 996 0.00      
12 Ag 399 383 0.00      
13 Ag 329 316 0.00      
14 Au 3038 2917 39.47      
15 Au 3030 2909 219.69      
16 Au 1481 1422 15.98      
17 Au 1238 1189 13.31      
18 Au 1176 1129 3.06      
19 Au 839 806 0.41      
20 Au 247 237 7.96      
21 Au 101 97 8.75      
22 Au 69 66 2.71      
23 Bg 3031 2910 0.00      
24 Bg 3009 2889 0.00      
25 Bg 1481 1422 0.00      
26 Bg 1293 1241 0.00      
27 Bg 1193 1145 0.00      
28 Bg 1152 1106 0.00      
29 Bg 232 223 0.00      
30 Bg 128 123 0.00      
31 Bu 3137 3012 62.47      
32 Bu 2991 2872 140.78      
33 Bu 2979 2860 95.55      
34 Bu 1534 1472 3.79      
35 Bu 1502 1442 26.21      
36 Bu 1474 1416 1.80      
37 Bu 1361 1307 22.33      
38 Bu 1230 1181 221.37      
39 Bu 1184 1136 179.65      
40 Bu 992 952 66.62      
41 Bu 499 479 3.75      
42 Bu 143 137 3.98      

Unscaled Zero Point Vibrational Energy (zpe) 31062.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 29822.9 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 B1B95/6-311G**
ABC
0.63655 0.04349 0.04200

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.429 1.732 0.000
O2 -0.429 -1.732 0.000
C3 0.273 -2.946 0.000
C4 -0.273 2.946 0.000
C5 -0.429 0.621 0.000
C6 0.429 -0.621 0.000
H7 0.462 3.749 0.000
H8 -0.462 -3.749 0.000
H9 0.909 -3.045 0.890
H10 0.909 -3.045 -0.890
H11 -0.909 3.045 0.890
H12 -0.909 3.045 -0.890
H13 -1.078 0.621 0.887
H14 -1.078 0.621 -0.887
H15 1.078 -0.621 0.887
H16 1.078 -0.621 -0.887

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.56934.68101.40221.40382.35362.01745.55364.88304.88302.07482.07482.07172.07172.59722.5972
O23.56931.40224.68102.35361.40385.55362.01742.07482.07484.88304.88302.59722.59722.07172.0717
C34.68101.40225.91743.63572.33006.69811.08891.09841.09846.17096.17093.91603.91602.61542.6154
C41.40224.68105.91742.33003.63571.08896.69816.17096.17091.09841.09842.61542.61543.91603.9160
C51.40382.35363.63572.33001.50993.25254.37084.00284.00282.62612.62611.09901.09902.14472.1447
C62.35361.40382.33003.63571.50994.37083.25252.62612.62614.00284.00282.14472.14471.09901.0990
H72.01745.55366.69811.08893.25254.37087.55556.86696.86691.77971.77973.59783.59784.50184.5018
H85.55362.01741.08896.69814.37083.25257.55551.77971.77976.86696.86694.50184.50183.59783.5978
H94.88302.07481.09846.17094.00282.62616.86691.77971.78076.35516.59984.16934.53242.42983.0105
H104.88302.07481.09846.17094.00282.62616.86691.77971.78076.59986.35514.53244.16933.01052.4298
H112.07484.88306.17091.09842.62614.00281.77976.86696.35516.59981.78072.42983.01054.16934.5324
H122.07484.88306.17091.09842.62614.00281.77976.86696.59986.35511.78073.01052.42984.53244.1693
H132.07172.59723.91602.61541.09902.14473.59784.50184.16934.53242.42983.01051.77442.48733.0553
H142.07172.59723.91602.61541.09902.14473.59784.50184.53244.16933.01052.42981.77443.05532.4873
H152.59722.07172.61543.91602.14471.09904.50183.59782.42983.01054.16934.53242.48733.05531.7744
H162.59722.07172.61543.91602.14471.09904.50183.59783.01052.42984.53244.16933.05532.48731.7744

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 107.495 O1 C4 H11 111.568
O1 C4 H12 111.568 O1 C5 C6 107.703
O1 C5 H13 111.156 O1 C5 H14 111.156
O2 C3 H8 107.495 O2 C3 H9 111.568
O2 C3 H10 111.568 O2 C6 C5 107.703
O2 C6 H15 111.156 O2 C6 H16 111.156
C3 O2 C6 112.275 C4 O1 C5 112.275
C5 C6 H15 109.578 C5 C6 H16 109.578
C6 C5 H13 109.578 C6 C5 H14 109.578
H7 C4 H11 108.918 H7 C4 H12 108.918
H8 C3 H9 108.918 H8 C3 H10 108.918
H9 C3 H10 108.315 H11 C4 H12 108.315
H13 C5 H14 107.661 H15 C6 H16 107.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.357      
2 O -0.357      
3 C -0.147      
4 C -0.147      
5 C -0.054      
6 C -0.054      
7 H 0.126      
8 H 0.126      
9 H 0.102      
10 H 0.102      
11 H 0.102      
12 H 0.102      
13 H 0.113      
14 H 0.113      
15 H 0.113      
16 H 0.113      


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 -39.472 -4.036 0.000
y -4.036 -31.615 0.000
z 0.000 0.000 -38.179
Traceless
 xyz
x -4.575 -4.036 0.000
y -4.036 7.210 0.000
z 0.000 0.000 -2.635
Polar
3z2-r2-5.270
x2-y2-7.857
xy-4.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.334 -0.258 0.000
y -0.258 10.308 0.000
z 0.000 0.000 7.170


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