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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-308.109214
Energy at 298.15K-308.120974
HF Energy-307.013862
Nuclear repulsion energy253.875901
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3205 3027 0.00      
2 Ag 3054 2884 0.00      
3 Ag 3044 2875 0.00      
4 Ag 1558 1472 0.00      
5 Ag 1538 1452 0.00      
6 Ag 1510 1426 0.00      
7 Ag 1464 1383 0.00      
8 Ag 1264 1194 0.00      
9 Ag 1199 1133 0.00      
10 Ag 1109 1048 0.00      
11 Ag 1046 988 0.00      
12 Ag 404 382 0.00      
13 Ag 341 322 0.00      
14 Au 3121 2948 50.19      
15 Au 3110 2938 113.90      
16 Au 1521 1437 11.89      
17 Au 1255 1185 12.23      
18 Au 1200 1133 1.99      
19 Au 848 800 0.21      
20 Au 257 243 7.54      
21 Au 107 101 6.49      
22 Au 73 69 3.64      
23 Bg 3121 2948 0.00      
24 Bg 3087 2915 0.00      
25 Bg 1521 1437 0.00      
26 Bg 1311 1238 0.00      
27 Bg 1217 1149 0.00      
28 Bg 1176 1111 0.00      
29 Bg 241 228 0.00      
30 Bg 130 123 0.00      
31 Bu 3205 3027 40.86      
32 Bu 3054 2885 105.56      
33 Bu 3047 2878 52.57      
34 Bu 1565 1478 2.62      
35 Bu 1539 1454 19.48      
36 Bu 1503 1420 4.66      
37 Bu 1376 1300 26.52      
38 Bu 1245 1176 164.56      
39 Bu 1195 1129 183.29      
40 Bu 997 942 53.78      
41 Bu 513 484 4.03      
42 Bu 145 137 3.99      

Unscaled Zero Point Vibrational Energy (zpe) 31707.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 29947.6 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 MP2/6-31G(2df,p)
ABC
0.62632 0.04370 0.04215

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.345 1.171 0.000
O2 -1.345 -1.171 0.000
C3 -1.442 -2.576 0.000
C4 1.442 2.576 0.000
C5 0.000 0.757 0.000
C6 0.000 -0.757 0.000
H7 2.501 2.829 0.000
H8 -2.501 -2.829 0.000
H9 -0.969 -3.012 0.889
H10 -0.969 -3.012 -0.889
H11 0.969 3.012 0.889
H12 0.969 3.012 -0.889
H13 -0.532 1.127 0.887
H14 -0.532 1.127 -0.887
H15 0.532 -1.127 0.887
H16 0.532 -1.127 -0.887

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.56634.66931.40781.40702.35052.02135.54894.86234.86232.07822.07822.07652.07652.59352.5935
O23.56631.40784.66932.35051.40705.54892.02132.07822.07824.86234.86232.59352.59352.07652.0765
C34.66931.40785.90343.63092.32096.69001.08921.09721.09726.15006.15003.91413.91412.60472.6047
C41.40784.66935.90342.32093.63091.08926.69006.15006.15001.09721.09722.60472.60473.91413.9141
C51.40702.35053.63092.32091.51373.24804.37193.99153.99152.61052.61051.09881.09882.14892.1489
C62.35051.40702.32093.63091.51374.37193.24802.61052.61053.99153.99152.14892.14891.09881.0988
H72.02135.54896.69001.08923.24804.37197.55216.85196.85191.78051.78053.58993.58994.50664.5066
H85.54892.02131.08926.69004.37193.24807.55211.78051.78056.85196.85194.50664.50663.58993.5899
H94.86232.07821.09726.15003.99152.61056.85191.78051.77786.32796.57294.16144.52462.41022.9940
H104.86232.07821.09726.15003.99152.61056.85191.78051.77786.57296.32794.52464.16142.99402.4102
H112.07824.86236.15001.09722.61053.99151.78056.85196.32796.57291.77782.41022.99404.16144.5246
H122.07824.86236.15001.09722.61053.99151.78056.85196.57296.32791.77782.99402.41024.52464.1614
H132.07652.59353.91412.60471.09882.14893.58994.50664.16144.52462.41022.99401.77452.49203.0592
H142.07652.59353.91412.60471.09882.14893.58994.50664.52464.16142.99402.41021.77453.05922.4920
H152.59352.07652.60473.91412.14891.09884.50663.58992.41022.99404.16144.52462.49203.05921.7745
H162.59352.07652.60473.91412.14891.09884.50663.58992.99402.41024.52464.16143.05922.49201.7745

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 107.412 O1 C4 H11 111.525
O1 C4 H12 111.525 O1 C5 C6 107.125
O1 C5 H13 111.340 O1 C5 H14 111.340
O2 C3 H8 107.412 O2 C3 H9 111.525
O2 C3 H10 111.525 O2 C6 C5 107.125
O2 C6 H15 111.340 O2 C6 H16 111.340
C3 O2 C6 111.088 C4 O1 C5 111.088
C5 C6 H15 109.663 C5 C6 H16 109.663
C6 C5 H13 109.663 C6 C5 H14 109.663
H7 C4 H11 109.051 H7 C4 H12 109.051
H8 C3 H9 109.051 H8 C3 H10 109.051
H9 C3 H10 108.228 H11 C4 H12 108.228
H13 C5 H14 107.706 H15 C6 H16 107.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability