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

using model chemistry: PBEPBE/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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-308.492735
Energy at 298.15K-308.504256
Nuclear repulsion energy250.900408
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/6-31+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 3067 3032 0.00      
2 Ag 2909 2875 0.00      
3 Ag 2898 2865 0.00      
4 Ag 1477 1460 0.00      
5 Ag 1455 1438 0.00      
6 Ag 1430 1414 0.00      
7 Ag 1392 1376 0.00      
8 Ag 1194 1181 0.00      
9 Ag 1132 1119 0.00      
10 Ag 1054 1042 0.00      
11 Ag 988 977 0.00      
12 Ag 386 382 0.00      
13 Ag 324 320 0.00      
14 Au 2958 2924 1.00      
15 Au 2951 2918 236.94      
16 Au 1437 1421 17.12      
17 Au 1191 1178 12.48      
18 Au 1135 1122 2.51      
19 Au 812 803 0.19      
20 Au 244 241 7.33      
21 Au 97 96 9.61      
22 Au 70 69 3.02      
23 Bg 2955 2921 0.00      
24 Bg 2929 2895 0.00      
25 Bg 1437 1421 0.00      
26 Bg 1250 1236 0.00      
27 Bg 1148 1135 0.00      
28 Bg 1110 1098 0.00      
29 Bg 234 231 0.00      
30 Bg 129 127 0.00      
31 Bu 3067 3032 51.05      
32 Bu 2911 2877 169.13      
33 Bu 2900 2867 98.68      
34 Bu 1483 1466 3.21      
35 Bu 1456 1439 25.30      
36 Bu 1425 1409 1.15      
37 Bu 1312 1297 19.26      
38 Bu 1173 1160 115.70      
39 Bu 1132 1119 249.21      
40 Bu 939 928 65.51      
41 Bu 492 486 3.07      
42 Bu 144 143 3.98      

Unscaled Zero Point Vibrational Energy (zpe) 30112.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 29769.5 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/6-31+G**
ABC
0.61973 0.04250 0.04103

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.435 1.753 0.000
O2 -0.435 -1.753 0.000
C3 0.281 -2.980 0.000
C4 -0.281 2.980 0.000
C5 -0.435 0.627 0.000
C6 0.435 -0.627 0.000
H7 0.465 3.789 0.000
H8 -0.465 -3.789 0.000
H9 0.923 -3.078 0.901
H10 0.923 -3.078 -0.901
H11 -0.923 3.078 0.901
H12 -0.923 3.078 -0.901
H13 -1.090 0.631 0.898
H14 -1.090 0.631 -0.898
H15 1.090 -0.631 0.898
H16 1.090 -0.631 -0.898

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.61264.73611.42061.42292.37992.03645.61524.93914.93912.10012.10012.09552.09552.63022.6302
O23.61261.42064.73612.37991.42295.61522.03642.10012.10014.93914.93912.63022.63022.09552.0955
C34.73611.42065.98723.67742.35876.77221.10071.11061.11066.24256.24253.96553.96552.64242.6424
C41.42064.73615.98722.35873.67741.10076.77226.24256.24251.11061.11062.64242.64243.96553.9655
C51.42292.37993.67742.35871.52533.28824.41624.04754.04752.65722.65721.11161.11162.17062.1706
C62.37991.42292.35873.67741.52534.41623.28822.65722.65724.04754.04752.17062.17061.11161.1116
H72.03645.61526.77221.10073.28824.41627.63576.94176.94171.80111.80113.63363.63364.55334.5533
H85.61522.03641.10076.77224.41623.28827.63571.80111.80116.94176.94174.55334.55333.63363.6336
H94.93912.10011.11066.24254.04752.65726.94171.80111.80236.42746.67534.21994.58742.45353.0423
H104.93912.10011.11066.24254.04752.65726.94171.80111.80236.67536.42744.58744.21993.04232.4535
H112.10014.93916.24251.11062.65724.04751.80116.94176.42746.67531.80232.45353.04234.21994.5874
H122.10014.93916.24251.11062.65724.04751.80116.94176.67536.42741.80233.04232.45354.58744.2199
H132.09552.63023.96552.64241.11162.17063.63364.55334.21994.58742.45353.04231.79552.51883.0932
H142.09552.63023.96552.64241.11162.17063.63364.55334.58744.21993.04232.45351.79553.09322.5188
H152.63022.09552.64243.96552.17061.11164.55333.63362.45353.04234.21994.58742.51883.09321.7955
H162.63022.09552.64243.96552.17061.11164.55333.63363.04232.45354.58744.21993.09322.51881.7955

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 107.054 O1 C4 H11 111.550
O1 C4 H12 111.550 O1 C5 C6 107.602
O1 C5 H13 110.947 O1 C5 H14 110.947
O2 C3 H8 107.054 O2 C3 H9 111.550
O2 C3 H10 111.550 O2 C6 C5 107.602
O2 C6 H15 110.947 O2 C6 H16 110.947
C3 O2 C6 112.093 C4 O1 C5 112.093
C5 C6 H15 109.812 C5 C6 H16 109.812
C6 C5 H13 109.812 C6 C5 H14 109.812
H7 C4 H11 109.080 H7 C4 H12 109.080
H8 C3 H9 109.080 H8 C3 H10 109.080
H9 C3 H10 108.472 H11 C4 H12 108.472
H13 C5 H14 107.726 H15 C6 H16 107.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.280      
2 O -0.280      
3 C -0.275      
4 C -0.275      
5 C -0.215      
6 C -0.215      
7 H 0.165      
8 H 0.165      
9 H 0.147      
10 H 0.147      
11 H 0.147      
12 H 0.147      
13 H 0.156      
14 H 0.156      
15 H 0.156      
16 H 0.156      


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 -40.677 -4.448 0.000
y -4.448 -32.313 0.000
z 0.000 0.000 -39.090
Traceless
 xyz
x -4.975 -4.448 0.000
y -4.448 7.571 0.000
z 0.000 0.000 -2.596
Polar
3z2-r2-5.191
x2-y2-8.364
xy-4.448
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.327 -0.250 0.000
y -0.250 11.333 0.000
z 0.000 0.000 7.966


<r2> (average value of r2) Å2
<r2> 273.336
(<r2>)1/2 16.533