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All results from a given calculation for C2H3OC2H5 (Ethene, ethoxy-)

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 C1 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-231.837519
Energy at 298.15K-231.845894
HF Energy-230.980588
Nuclear repulsion energy174.533759
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 A 3350 3164 1.43      
2 A 3242 3062 0.69      
3 A 3223 3045 12.35      
4 A 3216 3038 12.51      
5 A 3196 3018 14.28      
6 A 3122 2949 31.55      
7 A 3118 2945 8.77      
8 A 3068 2898 40.55      
9 A 1723 1628 130.53      
10 A 1555 1469 8.46      
11 A 1530 1446 2.75      
12 A 1513 1429 5.03      
13 A 1459 1378 8.05      
14 A 1434 1354 51.18      
15 A 1409 1331 30.06      
16 A 1357 1282 5.72      
17 A 1319 1246 0.41      
18 A 1241 1172 206.04      
19 A 1200 1134 13.15      
20 A 1176 1110 105.23      
21 A 1116 1054 8.88      
22 A 1002 947 8.54      
23 A 997 942 15.39      
24 A 871 822 4.71      
25 A 843 796 41.58      
26 A 828 782 3.12      
27 A 724 683 2.76      
28 A 497 470 2.36      
29 A 439 414 1.27      
30 A 260 246 0.57      
31 A 212 201 0.41      
32 A 90 85 2.86      
33 A 39 37 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 25184.7 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 23786.9 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
0.80269 0.07960 0.07462

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.436 -0.286 0.042
H2 -2.485 -1.359 0.153
H3 -3.351 0.284 0.000
C4 -1.265 0.344 -0.059
H5 -1.200 1.424 -0.170
O6 -0.079 -0.315 -0.057
C7 1.054 0.533 0.082
H8 1.019 1.050 1.048
H9 1.048 1.294 -0.708
C10 2.285 -0.340 -0.020
H11 2.277 -1.094 0.767
H12 2.307 -0.848 -0.984
H13 3.188 0.263 0.081

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 O6 C7 H8 H9 C10 H11 H12 H13
C11.08041.07881.33282.12032.35883.58493.83773.89754.72114.83654.88485.6503
H21.08041.86352.10583.08302.63134.01434.34514.50144.88074.80934.95195.9009
H31.07881.86352.08722.44033.32674.41294.55814.56825.67015.84495.85346.5392
C41.33282.10582.08721.08801.35722.33152.63432.58333.61573.91163.87804.4561
H52.12033.08302.44031.08802.07272.43722.55892.31513.90934.39474.25764.5462
O62.35882.63133.32671.35722.07271.42242.07062.06952.36422.61492.61483.3205
C73.58494.01434.41292.33152.43721.42241.09611.09661.51262.14792.14782.1507
H83.83774.34514.55812.63432.55892.07061.09611.77342.16212.50113.06402.5018
H93.89754.50144.56822.58332.31512.06951.09661.77342.16223.06442.49992.5033
C104.72114.88075.67013.61573.90932.36421.51262.16212.16221.08971.08971.0907
H114.83654.80935.84493.91164.39472.61492.14792.50113.06441.08971.76881.7721
H124.88484.95195.85343.87804.25762.61482.14783.06402.49991.08971.76881.7730
H135.65035.90096.53924.45614.54623.32052.15072.50182.50331.09071.77211.7730

picture of Ethene, ethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 121.972 C1 C4 O6 122.537
H2 C1 H3 119.318 H2 C1 C4 121.174
H3 C1 C4 119.505 C4 O6 C7 114.006
H5 C4 O6 115.478 O6 C7 H8 109.925
O6 C7 H9 109.807 O6 C7 C10 107.283
C7 C10 H11 110.196 C7 C10 H12 110.186
C7 C10 H13 110.362 H8 C7 H9 107.957
H8 C7 C10 110.948 H9 C7 C10 110.926
H11 C10 H12 108.504 H11 C10 H13 108.737
H12 C10 H13 108.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability