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

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-308.551873
Energy at 298.15K-308.563385
Nuclear repulsion energy251.521487
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/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 3053 3025 0.00      
2 Ag 2898 2871 0.00      
3 Ag 2886 2860 0.00      
4 Ag 1478 1465 0.00      
5 Ag 1453 1440 0.00      
6 Ag 1430 1417 0.00      
7 Ag 1393 1380 0.00      
8 Ag 1197 1186 0.00      
9 Ag 1128 1118 0.00      
10 Ag 1056 1047 0.00      
11 Ag 988 979 0.00      
12 Ag 387 384 0.00      
13 Ag 321 318 0.00      
14 Au 2940 2914 19.25      
15 Au 2934 2907 253.55      
16 Au 1428 1415 15.38      
17 Au 1190 1179 10.86      
18 Au 1134 1123 2.31      
19 Au 818 810 0.25      
20 Au 241 239 6.69      
21 Au 95 94 8.15      
22 Au 67 66 2.35      
23 Bg 2935 2908 0.00      
24 Bg 2911 2885 0.00      
25 Bg 1428 1415 0.00      
26 Bg 1248 1236 0.00      
27 Bg 1151 1141 0.00      
28 Bg 1112 1102 0.00      
29 Bg 229 227 0.00      
30 Bg 125 124 0.00      
31 Bu 3053 3025 58.74      
32 Bu 2900 2874 160.73      
33 Bu 2887 2861 95.14      
34 Bu 1485 1472 2.60      
35 Bu 1454 1440 26.63      
36 Bu 1424 1411 1.71      
37 Bu 1315 1303 16.52      
38 Bu 1172 1162 95.78      
39 Bu 1129 1118 269.63      
40 Bu 940 932 61.95      
41 Bu 490 485 3.28      
42 Bu 142 141 3.57      

Unscaled Zero Point Vibrational Energy (zpe) 30022.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 29749.3 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/6-311G**
ABC
0.62133 0.04275 0.04127

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.434 1.748 0.000
O2 -0.434 -1.748 0.000
C3 0.284 -2.971 0.000
C4 -0.284 2.971 0.000
C5 -0.434 0.625 0.000
C6 0.434 -0.625 0.000
H7 0.458 3.781 0.000
H8 -0.458 -3.781 0.000
H9 0.926 -3.070 0.899
H10 0.926 -3.070 -0.899
H11 -0.926 3.070 0.899
H12 -0.926 3.070 -0.899
H13 -1.089 0.623 0.896
H14 -1.089 0.623 -0.896
H15 1.089 -0.623 0.896
H16 1.089 -0.623 -0.896

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.60274.72151.41721.41952.37312.03305.60104.92664.92662.09852.09852.09452.09452.61812.6181
O23.60271.41724.72152.37311.41955.60102.03302.09852.09854.92664.92662.61812.61812.09452.0945
C34.72151.41725.96853.66632.35096.75421.09851.10901.10906.22636.22633.94973.94972.63872.6387
C41.41724.72155.96852.35093.66631.09856.75426.22636.22631.10901.10902.63872.63873.94973.9497
C51.41952.37313.66632.35091.52093.28004.40604.03854.03852.65182.65181.10971.10972.16252.1625
C62.37311.41952.35093.66631.52094.40603.28002.65182.65184.03854.03852.16252.16251.10971.1097
H72.03305.60106.75421.09853.28004.40607.61776.92626.92621.79651.79653.62903.62904.53834.5383
H85.60102.03301.09856.75424.40603.28007.61771.79651.79656.92626.92624.53834.53833.62903.6290
H94.92662.09851.10906.22634.03852.65186.92621.79651.79736.41406.66114.20724.57382.45303.0391
H104.92662.09851.10906.22634.03852.65186.92621.79651.79736.66116.41404.57384.20723.03912.4530
H112.09854.92666.22631.10902.65184.03851.79656.92626.41406.66111.79732.45303.03914.20724.5738
H122.09854.92666.22631.10902.65184.03851.79656.92626.66116.41401.79733.03912.45304.57384.2072
H132.09452.61813.94972.63871.10972.16253.62904.53834.20724.57382.45303.03911.79112.50903.0827
H142.09452.61813.94972.63871.10972.16253.62904.53834.57384.20723.03912.45301.79113.08272.5090
H152.61812.09452.63873.94972.16251.10974.53833.62902.45303.03914.20724.57382.50903.08271.7911
H162.61812.09452.63873.94972.16251.10974.53833.62903.03912.45304.57384.20723.08272.50901.7911

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 107.142 O1 C4 H11 111.753
O1 C4 H12 111.753 O1 C5 C6 107.572
O1 C5 H13 111.227 O1 C5 H14 111.227
O2 C3 H8 107.142 O2 C3 H9 111.753
O2 C3 H10 111.753 O2 C6 C5 107.572
O2 C6 H15 111.227 O2 C6 H16 111.227
C3 O2 C6 111.938 C4 O1 C5 111.938
C5 C6 H15 109.599 C5 C6 H16 109.599
C6 C5 H13 109.599 C6 C5 H14 109.599
H7 C4 H11 108.937 H7 C4 H12 108.937
H8 C3 H9 108.937 H8 C3 H10 108.937
H9 C3 H10 108.251 H11 C4 H12 108.251
H13 C5 H14 107.611 H15 C6 H16 107.611
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.327      
2 O -0.327      
3 C -0.158      
4 C -0.158      
5 C -0.062      
6 C -0.062      
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 0.109      
14 H 0.109      
15 H 0.109      
16 H 0.109      


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 -39.874 -3.804 0.000
y -3.804 -32.147 0.000
z 0.000 0.000 -38.738
Traceless
 xyz
x -4.432 -3.804 0.000
y -3.804 7.159 0.000
z 0.000 0.000 -2.727
Polar
3z2-r2-5.454
x2-y2-7.727
xy-3.804
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.706 -0.336 0.000
y -0.336 11.070 0.000
z 0.000 0.000 7.506


<r2> (average value of r2) Å2
<r2> 271.674
(<r2>)1/2 16.483