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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-306.899155
Energy at 298.15K-306.910875
Nuclear repulsion energy250.362356
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 HF/LANL2DZ
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 3341 3007 0.00      
2 Ag 3218 2896 0.00      
3 Ag 3190 2871 0.00      
4 Ag 1674 1507 0.00      
5 Ag 1652 1487 0.00      
6 Ag 1621 1459 0.00      
7 Ag 1579 1420 0.00      
8 Ag 1333 1200 0.00      
9 Ag 1257 1132 0.00      
10 Ag 1169 1052 0.00      
11 Ag 1054 948 0.00      
12 Ag 408 367 0.00      
13 Ag 332 299 0.00      
14 Au 3285 2956 175.41      
15 Au 3261 2934 153.53      
16 Au 1647 1482 19.83      
17 Au 1337 1203 22.19      
18 Au 1264 1138 3.90      
19 Au 921 829 0.15      
20 Au 224 202 22.96      
21 Au 114 103 15.51      
22 Au 69 62 8.38      
23 Bg 3261 2935 0.00      
24 Bg 3257 2931 0.00      
25 Bg 1647 1482 0.00      
26 Bg 1423 1281 0.00      
27 Bg 1279 1151 0.00      
28 Bg 1244 1119 0.00      
29 Bg 203 183 0.00      
30 Bg 115 103 0.00      
31 Bu 3341 3007 102.56      
32 Bu 3219 2897 137.63      
33 Bu 3189 2870 147.65      
34 Bu 1679 1511 8.23      
35 Bu 1652 1486 21.59      
36 Bu 1613 1451 2.67      
37 Bu 1501 1351 27.65      
38 Bu 1318 1186 154.84      
39 Bu 1236 1112 307.83      
40 Bu 983 885 68.93      
41 Bu 514 463 8.52      
42 Bu 151 136 8.69      

Unscaled Zero Point Vibrational Energy (zpe) 33387.1 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 30045.1 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 HF/LANL2DZ
ABC
0.65297 0.04155 0.04023

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.371 1.174 0.000
O2 -1.371 -1.174 0.000
C3 -1.605 -2.586 0.000
C4 1.605 2.586 0.000
C5 0.000 0.757 0.000
C6 0.000 -0.757 0.000
H7 2.674 2.727 0.000
H8 -2.674 -2.727 0.000
H9 -1.179 -3.050 0.885
H10 -1.179 -3.050 -0.885
H11 1.179 3.050 0.885
H12 1.179 3.050 -0.885
H13 -0.512 1.131 0.881
H14 -0.512 1.131 -0.881
H15 0.512 -1.131 0.881
H16 0.512 -1.131 -0.881

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.61074.79511.43041.43322.36892.02625.61945.01335.01332.08282.08282.07922.07922.61332.6133
O23.61071.43044.79512.36891.43325.61942.02622.08282.08285.01335.01332.61332.61332.07922.0792
C34.79511.43046.08613.70812.43256.82071.07831.08621.08626.34776.34773.97293.97292.71482.7148
C41.43044.79516.08612.43253.70811.07836.82076.34776.34771.08621.08622.71482.71483.97293.9729
C51.43322.36893.70812.43251.51473.32054.39164.08294.08292.72582.72581.08491.08492.14562.1456
C62.36891.43322.43253.70811.51474.39163.32052.72582.72584.08294.08292.14562.14561.08491.0849
H72.02625.61946.82071.07833.32054.39167.63746.99976.99971.76681.76683.66993.66994.50894.5089
H85.61942.02621.07836.82074.39163.32057.63741.76681.76686.99976.99974.50894.50893.66993.6699
H95.01332.08281.08626.34774.08292.72586.99971.76681.76976.54026.77544.23414.58742.55773.1078
H105.01332.08281.08626.34774.08292.72586.99971.76681.76976.77546.54024.58744.23413.10782.5577
H112.08285.01336.34771.08622.72584.08291.76686.99976.54026.77541.76972.55773.10784.23414.5874
H122.08285.01336.34771.08622.72584.08291.76686.99976.77546.54021.76973.10782.55774.58744.2341
H132.07922.61333.97292.71481.08492.14563.66994.50894.23414.58742.55773.10781.76122.48303.0442
H142.07922.61333.97292.71481.08492.14563.66994.50894.58744.23413.10782.55771.76123.04422.4830
H152.61332.07922.71483.97292.14561.08494.50893.66992.55773.10784.23414.58742.48303.04421.7612
H162.61332.07922.71483.97292.14561.08494.50893.66993.10782.55774.58744.23413.04422.48301.7612

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 106.901 O1 C4 H11 110.978
O1 C4 H12 110.978 O1 C5 C6 106.920
O1 C5 H13 110.554 O1 C5 H14 110.554
O2 C3 H8 106.901 O2 C3 H9 110.978
O2 C3 H10 110.978 O2 C6 C5 106.920
O2 C6 H15 110.554 O2 C6 H16 110.554
C3 O2 C6 116.311 C4 O1 C5 116.311
C5 C6 H15 110.151 C5 C6 H16 110.151
C6 C5 H13 110.151 C6 C5 H14 110.151
H7 C4 H11 109.423 H7 C4 H12 109.423
H8 C3 H9 109.423 H8 C3 H10 109.423
H9 C3 H10 109.100 H11 C4 H12 109.100
H13 C5 H14 108.512 H15 C6 H16 108.512
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.513      
2 O -0.513      
3 C -0.287      
4 C -0.287      
5 C -0.067      
6 C -0.067      
7 H 0.197      
8 H 0.197      
9 H 0.169      
10 H 0.169      
11 H 0.169      
12 H 0.169      
13 H 0.166      
14 H 0.166      
15 H 0.166      
16 H 0.166      


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 -42.661 3.052 0.000
y 3.052 -26.713 0.000
z 0.000 0.000 -37.978
Traceless
 xyz
x -10.316 3.052 0.000
y 3.052 13.607 0.000
z 0.000 0.000 -3.291
Polar
3z2-r2-6.583
x2-y2-15.949
xy3.052
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.959 1.196 0.000
y 1.196 7.635 0.000
z 0.000 0.000 5.866


<r2> (average value of r2) Å2
<r2> 276.841
(<r2>)1/2 16.639