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All results from a given calculation for CH3OC2H5 (Ethane, methoxy-)

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-193.757506
Energy at 298.15K-193.766556
HF Energy-193.116379
Nuclear repulsion energy133.928495
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=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3242 3030 24.76      
2 A' 3242 3029 24.83      
3 A' 3143 2937 13.38      
4 A' 3078 2876 66.11      
5 A' 3059 2858 39.87      
6 A' 1596 1491 0.34      
7 A' 1572 1469 4.77      
8 A' 1564 1461 4.18      
9 A' 1529 1429 0.46      
10 A' 1481 1384 38.14      
11 A' 1441 1346 10.90      
12 A' 1270 1187 45.53      
13 A' 1198 1119 114.88      
14 A' 1151 1075 3.36      
15 A' 1069 999 17.09      
16 A' 897 838 11.67      
17 A' 477 446 0.70      
18 A' 295 276 2.91      
19 A" 3253 3039 21.14      
20 A" 3148 2942 57.13      
21 A" 3105 2901 67.88      
22 A" 1552 1450 4.90      
23 A" 1548 1446 3.21      
24 A" 1335 1247 0.96      
25 A" 1238 1157 10.50      
26 A" 1200 1121 0.02      
27 A" 849 793 0.11      
28 A" 281 263 2.24      
29 A" 223 208 1.68      
30 A" 115 108 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 24574.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 22962.2 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=FULL/6-31G**
ABC
0.93793 0.14001 0.13075

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.322 1.225 0.000
O2 0.005 0.714 0.000
C3 0.000 -0.704 0.000
C4 -1.439 -1.162 0.000
H5 1.243 2.308 0.000
H6 1.877 0.906 0.887
H7 1.877 0.906 -0.887
H8 0.529 -1.084 -0.883
H9 0.529 -1.084 0.883
H10 -1.494 -2.249 0.000
H11 -1.950 -0.786 0.882
H12 -1.950 -0.786 -0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41302.33863.64991.08561.09411.09412.59582.59584.47173.94083.9408
O21.41301.41752.36692.01872.08072.08072.06982.06983.31972.61702.6170
C32.33861.41751.51013.25832.62722.62721.09701.09702.14882.14192.1419
C43.64992.36691.51014.38564.00744.00742.15842.15841.08801.08661.0866
H51.08562.01873.25834.38561.77621.77623.57653.57655.31534.53284.5328
H61.09412.08072.62724.00741.77621.77402.98442.40314.70114.18464.5432
H71.09412.08072.62724.00741.77621.77402.40312.98444.70114.54324.1846
H82.59582.06981.09702.15843.57652.98442.40311.76542.49573.05782.4972
H92.59582.06981.09702.15843.57652.40312.98441.76542.49572.49723.0578
H104.47173.31972.14881.08805.31534.70114.70112.49572.49571.76801.7680
H113.94082.61702.14191.08664.53284.18464.54323.05782.49721.76801.7639
H123.94082.61702.14191.08664.53284.54324.18462.49723.05781.76801.7639

picture of Ethane, methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.426 O2 C1 H5 107.059
O2 C1 H6 111.550 O2 C1 H7 111.550
O2 C3 C4 107.857 O2 C3 H8 110.150
O2 C3 H9 110.150 C3 C4 H10 110.545
C3 C4 H11 110.082 C3 C4 H12 110.082
C4 C3 H8 110.774 C4 C3 H9 110.774
H5 C1 H6 109.153 H5 C1 H7 109.153
H6 C1 H7 108.329 H8 C3 H9 107.153
H10 C4 H11 108.784 H10 C4 H12 108.784
H11 C4 H12 108.517
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability