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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-286.096780
Energy at 298.15K-286.105273
HF Energy-284.831858
Nuclear repulsion energy217.642553
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 CBS-Q
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' 3275 3275 36.31      
2 A' 3203 3203 18.63      
3 A' 3190 3190 40.03      
4 A' 3162 3162 39.04      
5 A' 2634 2634 3.56      
6 A' 1671 1671 2.19      
7 A' 1644 1644 2.65      
8 A' 1635 1635 3.17      
9 A' 1598 1598 6.88      
10 A' 1550 1550 55.48      
11 A' 1522 1522 63.36      
12 A' 1296 1296 248.47      
13 A' 1260 1260 35.35      
14 A' 1135 1135 18.45      
15 A' 1025 1025 23.35      
16 A' 970 970 0.72      
17 A' 609 609 2.40      
18 A' 449 449 1.74      
19 A' 329 329 3.27      
20 A' 144 144 4.06      
21 A" 3287 3287 38.75      
22 A" 3230 3230 31.35      
23 A" 3198 3198 57.08      
24 A" 1619 1619 3.91      
25 A" 1427 1427 5.05      
26 A" 1392 1392 3.10      
27 A" 1295 1295 7.92      
28 A" 1137 1137 2.74      
29 A" 883 883 0.09      
30 A" 418 418 4.14      
31 A" 270 270 0.63      
32 A" 120 120 8.58      
33 A" 83 83 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 25329.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25329.6 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 CBS-Q
ABC
0.51377 0.04980 0.04661

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.689 2.604 0.000
C2 -1.142 1.156 0.000
O3 0.000 0.337 0.000
C4 -0.279 -1.017 0.000
C5 0.992 -1.771 0.000
N6 1.946 -2.383 0.000
H7 -1.550 3.268 0.000
H8 -0.088 2.813 0.881
H9 -0.088 2.813 -0.881
H10 -1.749 0.940 -0.881
H11 -1.749 0.940 0.881
H12 -0.849 -1.311 -0.881
H13 -0.849 -1.311 0.881

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51672.36853.64354.68635.63971.08791.08651.08652.16062.16064.01584.0158
C21.51671.40502.33803.62244.69682.15092.15182.15181.09161.09162.63632.6363
O32.36851.40501.38262.33013.34483.31532.62902.62902.04892.04892.05282.0528
C43.64352.33801.38261.47822.61104.46943.93423.93422.60112.60111.08981.0898
C54.68633.62242.33011.47821.13335.64394.79104.79103.95463.95462.09212.0921
N65.63974.69683.34482.61101.13336.64505.64895.64895.04695.04693.12023.1202
H71.08792.15093.31534.46945.64396.64501.76641.76642.49722.49724.71564.7156
H81.08652.15182.62903.93424.79105.64891.76641.76233.06102.50294.54864.1933
H91.08652.15182.62903.93424.79105.64891.76641.76232.50293.06104.19334.5486
H102.16061.09162.04892.60113.95465.04692.49723.06102.50291.76212.42442.9972
H112.16061.09162.04892.60113.95465.04692.49722.50293.06101.76212.99722.4244
H124.01582.63632.05281.08982.09213.12024.71564.54864.19332.42442.99721.7625
H134.01582.63632.05281.08982.09213.12024.71564.19334.54862.99722.42441.7625

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.262 C1 C2 H10 110.807
C1 C2 H11 110.807 C2 C1 H7 110.260
C2 C1 H8 110.413 C2 C1 H9 110.413
C2 O3 C4 114.006 O3 C2 H10 109.665
O3 C2 H11 109.665 O3 C4 C5 109.031
O3 C4 H12 111.711 O3 C4 H13 111.711
C4 C5 N6 177.985 C5 C4 H12 108.168
C5 C4 H13 108.168 H7 C1 H8 108.655
H7 C1 H9 108.655 H8 C1 H9 108.388
H10 C2 H11 107.629 H12 C4 H13 107.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability