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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-284.666918
Energy at 298.15K-284.674821
HF Energy-284.666918
Nuclear repulsion energy214.691426
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 PBE1PBE/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3168 3043 13.56      
2 A' 3087 2965 8.14      
3 A' 3016 2897 45.65      
4 A' 3010 2891 9.93      
5 A' 2389 2294 0.10      
6 A' 1586 1523 5.20      
7 A' 1566 1504 3.22      
8 A' 1558 1496 10.27      
9 A' 1464 1406 6.24      
10 A' 1457 1400 13.04      
11 A' 1385 1330 44.89      
12 A' 1167 1120 57.06      
13 A' 1117 1073 109.80      
14 A' 1031 990 7.62      
15 A' 972 933 10.85      
16 A' 900 864 5.47      
17 A' 600 577 0.72      
18 A' 416 400 1.55      
19 A' 310 298 1.87      
20 A' 132 127 2.05      
21 A" 3175 3049 14.91      
22 A" 3052 2931 36.45      
23 A" 3038 2918 31.80      
24 A" 1545 1483 9.13      
25 A" 1325 1273 0.04      
26 A" 1283 1232 0.81      
27 A" 1195 1148 8.99      
28 A" 1061 1019 0.37      
29 A" 867 833 2.67      
30 A" 467 448 0.06      
31 A" 236 227 0.58      
32 A" 115 111 7.57      
33 A" 77 74 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 23882.5 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 22936.7 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 PBE1PBE/3-21G
ABC
0.49179 0.04999 0.04658

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.988 2.521 0.000
C2 -1.294 1.032 0.000
O3 0.000 0.360 0.000
C4 -0.163 -1.076 0.000
C5 1.164 -1.671 0.000
N6 2.225 -2.145 0.000
H7 -1.915 3.104 0.000
H8 -0.402 2.775 0.888
H9 -0.402 2.775 -0.888
H10 -1.874 0.747 -0.892
H11 -1.874 0.747 0.892
H12 -0.714 -1.425 -0.889
H13 -0.714 -1.425 0.889

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.52032.37643.69054.71285.66531.09471.09381.09382.17402.17404.05414.0541
C21.52031.45782.39183.65374.74062.16342.14972.14971.10141.10142.67602.6760
O32.37641.45781.44522.34143.35033.34622.60412.60412.11092.11092.11792.1179
C43.69052.39181.44521.45512.61694.53223.95903.95902.65432.65431.10251.1025
C54.71283.65372.34141.45511.16185.68214.79684.79683.98433.98432.09292.0929
N65.66534.74063.35032.61691.16186.68505.64715.64715.09525.09523.15443.1544
H71.09472.16343.34624.53225.68216.68501.78481.78482.52042.52044.76904.7690
H81.09382.14972.60413.95904.79685.64711.78481.77613.07322.50524.57074.2110
H91.09382.14972.60413.95904.79685.64711.78481.77612.50523.07324.21104.5707
H102.17401.10142.11092.65433.98435.09522.52043.07322.50521.78422.46213.0389
H112.17401.10142.11092.65433.98435.09522.52042.50523.07321.78423.03892.4621
H124.05412.67602.11791.10252.09293.15444.76904.57074.21102.46213.03891.7782
H134.05412.67602.11791.10252.09293.15444.76904.21104.57073.03892.46211.7782

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.853 C1 C2 H10 111.031
C1 C2 H11 111.031 C2 C1 H7 110.583
C2 C1 H8 109.558 C2 C1 H9 109.558
C2 O3 C4 110.959 O3 C2 H10 110.376
O3 C2 H11 110.376 O3 C4 C5 107.666
O3 C4 H12 111.763 O3 C4 H13 111.763
C4 C5 N6 179.869 C5 C4 H12 109.052
C5 C4 H13 109.052 H7 C1 H8 109.278
H7 C1 H9 109.278 H8 C1 H9 108.554
H10 C2 H11 108.186 H12 C4 H13 107.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability