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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-281.616605
Energy at 298.15K-281.624068
HF Energy-281.243037
Nuclear repulsion energy209.732867
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/STO-3G
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' 3564 3168 0.96      
2 A' 3383 3007 0.85      
3 A' 3331 2961 10.21      
4 A' 3319 2950 6.07      
5 A' 2112 1878 56.67      
6 A' 1739 1546 1.77      
7 A' 1718 1527 3.25      
8 A' 1696 1508 0.54      
9 A' 1617 1437 2.13      
10 A' 1562 1388 12.55      
11 A' 1498 1331 75.41      
12 A' 1285 1142 9.21      
13 A' 1237 1100 7.39      
14 A' 1141 1014 2.15      
15 A' 1015 902 0.71      
16 A' 966 859 1.40      
17 A' 549 488 0.19      
18 A' 444 395 0.45      
19 A' 304 270 1.04      
20 A' 132 117 1.79      
21 A" 3567 3171 1.24      
22 A" 3438 3056 11.79      
23 A" 3420 3040 6.49      
24 A" 1718 1527 1.23      
25 A" 1416 1259 0.54      
26 A" 1335 1187 1.55      
27 A" 1265 1124 9.04      
28 A" 1095 974 2.15      
29 A" 899 799 0.38      
30 A" 347 309 0.75      
31 A" 213 189 0.23      
32 A" 127 113 3.78      
33 A" 88 79 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 25769.8 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 22906.8 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/STO-3G
ABC
0.50572 0.04692 0.04404

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.363 2.438 0.000
C2 -1.391 0.880 0.000
O3 0.000 0.412 0.000
C4 -0.052 -1.054 0.000
C5 1.376 -1.573 0.000
N6 2.526 -2.000 0.000
H7 -2.393 2.833 0.000
H8 -0.840 2.812 0.896
H9 -0.840 2.812 -0.896
H10 -1.938 0.507 -0.899
H11 -1.938 0.507 0.899
H12 -0.579 -1.455 -0.901
H13 -0.579 -1.455 0.901

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.55862.44183.72994.85745.90091.10311.10271.10272.20652.20654.07214.0721
C21.55861.46792.35223.69834.86222.19472.20032.20031.11601.11602.63112.6311
O32.44181.46791.46682.41583.49283.40372.69602.69602.13842.13842.15252.1525
C43.72992.35221.46681.51982.74654.53704.04594.04592.60782.60781.11851.1185
C54.85743.69832.41581.51981.22675.79824.99464.99464.01504.01502.15642.1564
N65.90094.86223.49282.74651.22676.89585.94045.94045.19845.19843.27943.2794
H71.10312.19473.40374.53705.79826.89581.79321.79322.53452.53454.74184.7418
H81.10272.20032.69604.04594.99465.94041.79321.79143.12122.55394.63744.2752
H91.10272.20032.69604.04594.99465.94041.79321.79142.55393.12124.27524.6374
H102.20651.11602.13842.60784.01505.19842.53453.12122.55391.79712.38642.9890
H112.20651.11602.13842.60784.01505.19842.53452.55393.12121.79712.98902.3864
H124.07212.63112.15251.11852.15643.27944.74184.63744.27522.38642.98901.8024
H134.07212.63112.15251.11852.15643.27944.74184.27524.63742.98902.38641.8024

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.530 C1 C2 H10 110.068
C1 C2 H11 110.068 C2 C1 H7 109.902
C2 C1 H8 110.363 C2 C1 H9 110.363
C2 O3 C4 106.551 O3 C2 H10 110.973
O3 C2 H11 110.973 O3 C4 C5 107.960
O3 C4 H12 112.030 O3 C4 H13 112.030
C4 C5 N6 179.651 C5 C4 H12 108.689
C5 C4 H13 108.689 H7 C1 H8 108.769
H7 C1 H9 108.769 H8 C1 H9 108.630
H10 C2 H11 107.247 H12 C4 H13 107.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability