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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-283.769797
Energy at 298.15K-283.777768
HF Energy-283.247106
Nuclear repulsion energy214.385598
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 CID/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' 3220 2996 18.93      
2 A' 3151 2932 10.22      
3 A' 3110 2894 27.79      
4 A' 3101 2886 20.20      
5 A' 2464 2293 0.73      
6 A' 1655 1540 3.17      
7 A' 1634 1521 2.44      
8 A' 1624 1511 6.79      
9 A' 1528 1422 7.31      
10 A' 1523 1417 4.55      
11 A' 1456 1355 62.84      
12 A' 1209 1125 49.56      
13 A' 1161 1080 107.49      
14 A' 1040 968 4.90      
15 A' 985 916 23.86      
16 A' 920 856 3.07      
17 A' 602 560 0.93      
18 A' 424 395 1.74      
19 A' 315 294 2.05      
20 A' 136 126 2.20      
21 A" 3231 3006 20.04      
22 A" 3138 2919 21.49      
23 A" 3134 2916 44.67      
24 A" 1608 1497 5.68      
25 A" 1379 1283 0.19      
26 A" 1335 1242 0.87      
27 A" 1251 1164 9.59      
28 A" 1114 1036 1.98      
29 A" 892 830 1.00      
30 A" 455 424 0.34      
31 A" 251 234 0.91      
32 A" 109 102 8.94      
33 A" 79 73 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 24616.2 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 22905.4 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 CID/3-21G*
ABC
0.47845 0.04992 0.04638

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.815 2.587 0.000
C2 -1.238 1.118 0.000
O3 0.000 0.344 0.000
C4 -0.240 -1.083 0.000
C5 1.071 -1.742 0.000
N6 2.103 -2.260 0.000
H7 -1.690 3.237 0.000
H8 -0.214 2.792 0.884
H9 -0.214 2.792 -0.884
H10 -1.832 0.879 -0.887
H11 -1.832 0.879 0.887
H12 -0.802 -1.395 -0.886
H13 -0.802 -1.395 0.886

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.52942.38663.71474.72275.65821.09031.08881.08882.17732.17734.07974.0797
C21.52941.45952.41583.67554.75082.16762.15272.15271.09421.09422.69962.6996
O32.38661.45951.44692.34543.34753.35082.61142.61142.10472.10472.11002.1100
C43.71472.41581.44691.46772.62234.55693.97433.97432.67752.67751.09431.0943
C54.72273.67552.34541.46771.15455.69414.79524.79524.01084.01082.10042.1004
N65.65824.75083.34752.62231.15456.67945.62825.62825.11135.11133.15743.1574
H71.09032.16763.35084.55695.69416.67941.77771.77772.52392.52394.79944.7994
H81.08882.15272.61143.97434.79525.62821.77771.76893.06872.50574.58364.2281
H91.08882.15272.61143.97434.79525.62821.77771.76892.50573.06874.22814.5836
H102.17731.09422.10472.67754.01085.11132.52393.06872.50571.77442.49653.0619
H112.17731.09422.10472.67754.01085.11132.52392.50573.06871.77443.06192.4965
H124.07972.69962.11001.09432.10043.15744.79944.58364.22812.49653.06191.7713
H134.07972.69962.11001.09432.10043.15744.79944.22814.58363.06192.49651.7713

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.946 C1 C2 H10 111.087
C1 C2 H11 111.087 C2 C1 H7 110.554
C2 C1 H8 109.464 C2 C1 H9 109.464
C2 O3 C4 112.440 O3 C2 H10 110.188
O3 C2 H11 110.188 O3 C4 C5 107.163
O3 C4 H12 111.517 O3 C4 H13 111.517
C4 C5 N6 179.946 C5 C4 H12 109.273
C5 C4 H13 109.273 H7 C1 H8 109.337
H7 C1 H9 109.337 H8 C1 H9 108.655
H10 C2 H11 108.348 H12 C4 H13 108.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability