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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-285.780989
Energy at 298.15K-285.788799
HF Energy-284.840339
Nuclear repulsion energy215.725082
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 QCISD/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' 3205 3017 23.31      
2 A' 3119 2937 14.06      
3 A' 3064 2885 46.31      
4 A' 3052 2873 27.29      
5 A' 2357 2219 1.79      
6 A' 1592 1499 1.48      
7 A' 1565 1473 2.81      
8 A' 1559 1467 3.20      
9 A' 1500 1412 9.86      
10 A' 1461 1375 13.81      
11 A' 1424 1341 82.74      
12 A' 1202 1131 173.86      
13 A' 1185 1116 19.32      
14 A' 1082 1019 17.03      
15 A' 975 918 12.85      
16 A' 926 872 4.74      
17 A' 554 522 0.99      
18 A' 429 404 1.00      
19 A' 301 283 2.17      
20 A' 133 125 3.32      
21 A" 3215 3027 23.58      
22 A" 3102 2920 15.69      
23 A" 3092 2911 66.41      
24 A" 1543 1453 3.93      
25 A" 1334 1256 2.15      
26 A" 1288 1213 3.47      
27 A" 1225 1153 6.70      
28 A" 1066 1004 2.36      
29 A" 846 796 0.11      
30 A" 359 338 2.16      
31 A" 262 247 0.46      
32 A" 110 103 6.71      
33 A" 74 70 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 24101.0 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 22688.7 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 QCISD/6-31G**
ABC
0.51291 0.04986 0.04663

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.933 2.541 0.000
C2 -1.243 1.059 0.000
O3 0.000 0.359 0.000
C4 -0.193 -1.037 0.000
C5 1.132 -1.689 0.000
N6 2.163 -2.237 0.000
H7 -1.858 3.120 0.000
H8 -0.355 2.804 0.885
H9 -0.355 2.804 -0.885
H10 -1.828 0.780 -0.886
H11 -1.828 0.780 0.886
H12 -0.747 -1.372 -0.886
H13 -0.747 -1.372 0.886

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51442.37403.65474.70785.69391.09051.08911.08912.16552.16554.01654.0165
C21.51441.42702.34503.63254.73982.15042.14862.14861.09761.09762.63432.6343
O32.37401.42701.40932.33983.37863.32812.62462.62462.07452.07452.08242.0824
C43.65472.34501.40931.47662.64354.47833.94543.94542.60002.60001.09701.0970
C54.70783.63252.33981.47661.16725.66264.81464.81463.95503.95502.10172.1017
N65.69394.73983.37862.64351.16726.69795.70385.70385.08055.08053.16233.1623
H71.09052.15043.32814.47835.66266.69791.77241.77242.50252.50254.71094.7109
H81.08912.14862.62463.94544.81465.70381.77241.76903.06652.50404.55254.1941
H91.08912.14862.62463.94544.81465.70381.77241.76902.50403.06654.19414.5525
H102.16551.09762.07452.60003.95505.08052.50253.06652.50401.77142.40762.9892
H112.16551.09762.07452.60003.95505.08052.50252.50403.06651.77142.98922.4076
H124.01652.63432.08241.09702.10173.16234.71094.55254.19412.40762.98921.7717
H134.01652.63432.08241.09702.10173.16234.71094.19414.55252.98922.40761.7717

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.593 C1 C2 H10 110.999
C1 C2 H11 110.999 C2 C1 H7 110.225
C2 C1 H8 110.164 C2 C1 H9 110.164
C2 O3 C4 111.535 O3 C2 H10 109.831
O3 C2 H11 109.831 O3 C4 C5 108.313
O3 C4 H12 111.771 O3 C4 H13 111.771
C4 C5 N6 178.166 C5 C4 H12 108.596
C5 C4 H13 108.596 H7 C1 H8 108.817
H7 C1 H9 108.817 H8 C1 H9 108.612
H10 C2 H11 107.593 H12 C4 H13 107.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability