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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-284.864771
Energy at 298.15K-284.872875
HF Energy-284.864771
Nuclear repulsion energy218.031237
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 HF/6-31G(2df,p)
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' 3253 2945 34.01      
2 A' 3181 2881 17.90      
3 A' 3162 2863 38.23      
4 A' 3132 2836 37.77      
5 A' 2616 2369 3.00      
6 A' 1656 1500 3.03      
7 A' 1629 1475 3.12      
8 A' 1618 1465 2.92      
9 A' 1587 1437 6.99      
10 A' 1538 1392 51.00      
11 A' 1512 1369 61.10      
12 A' 1296 1173 245.95      
13 A' 1254 1135 32.90      
14 A' 1131 1024 15.68      
15 A' 1017 921 20.56      
16 A' 964 873 0.49      
17 A' 612 554 2.71      
18 A' 449 406 1.49      
19 A' 331 300 3.64      
20 A' 145 131 4.24      
21 A" 3262 2954 35.87      
22 A" 3197 2895 26.85      
23 A" 3165 2866 52.07      
24 A" 1600 1449 3.99      
25 A" 1416 1282 4.57      
26 A" 1380 1249 3.37      
27 A" 1291 1169 6.84      
28 A" 1134 1027 1.94      
29 A" 880 797 0.15      
30 A" 423 383 4.57      
31 A" 268 243 0.48      
32 A" 117 106 7.29      
33 A" 80 72 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 25145.2 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 22769.0 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 HF/6-31G(2df,p)
ABC
0.51735 0.05076 0.04744

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.703 2.597 0.000
C2 -1.144 1.148 0.000
O3 0.000 0.337 0.000
C4 -0.271 -1.016 0.000
C5 1.000 -1.764 0.000
N6 1.953 -2.369 0.000
H7 -1.570 3.250 0.000
H8 -0.107 2.811 0.880
H9 -0.107 2.811 -0.880
H10 -1.750 0.931 -0.879
H11 -1.750 0.931 0.879
H12 -0.838 -1.316 -0.879
H13 -0.838 -1.316 0.879

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51432.36683.63824.68145.63161.08541.08421.08422.15532.15534.01294.0129
C21.51431.40202.33293.61564.68592.14512.14812.14811.09021.09022.63432.6343
O32.36681.40201.37952.32653.33703.30942.62782.62782.04682.04682.05142.0514
C43.63822.33291.37951.47492.60344.45933.92973.92972.59802.59801.08841.0884
C54.68143.61562.32651.47491.12885.63424.78804.78803.94933.94932.08582.0858
N65.63164.68593.33702.60341.12886.63225.64325.64325.03735.03733.10943.1094
H71.08542.14513.30944.45935.63426.63221.76301.76302.48732.48734.70784.7078
H81.08422.14812.62783.92974.78805.64321.76301.75933.05462.49734.54554.1913
H91.08422.14812.62783.92974.78805.64321.76301.75932.49733.05464.19134.5455
H102.15531.09022.04682.59803.94935.03732.48733.05462.49731.75872.42522.9958
H112.15531.09022.04682.59803.94935.03732.48732.49733.05461.75872.99582.4252
H124.01292.63432.05141.08842.08583.10944.70784.54554.19132.42522.99581.7588
H134.01292.63432.05141.08842.08583.10944.70784.19134.54552.99582.42521.7588

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.436 C1 C2 H10 110.640
C1 C2 H11 110.640 C2 C1 H7 110.115
C2 C1 H8 110.418 C2 C1 H9 110.418
C2 O3 C4 114.004 O3 C2 H10 109.796
O3 C2 H11 109.796 O3 C4 C5 109.137
O3 C4 H12 111.909 O3 C4 H13 111.909
C4 C5 N6 178.046 C5 C4 H12 107.968
C5 C4 H13 107.968 H7 C1 H8 108.694
H7 C1 H9 108.694 H8 C1 H9 108.450
H10 C2 H11 107.529 H12 C4 H13 107.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability