return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-285.331183
Energy at 298.15K-285.338778
HF Energy-284.692794
Nuclear repulsion energy212.040081
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 CCD/6-31G
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' 3111 2985 24.95      
2 A' 3034 2912 15.76      
3 A' 2993 2872 30.79      
4 A' 2985 2864 26.65      
5 A' 2300 2207 2.09      
6 A' 1581 1517 2.24      
7 A' 1562 1498 1.51      
8 A' 1553 1490 6.80      
9 A' 1480 1420 11.23      
10 A' 1464 1405 0.54      
11 A' 1407 1350 53.37      
12 A' 1167 1120 16.02      
13 A' 1111 1066 119.15      
14 A' 1031 990 13.96      
15 A' 958 919 12.20      
16 A' 883 847 9.33      
17 A' 526 505 0.45      
18 A' 416 400 1.30      
19 A' 278 267 1.87      
20 A' 122 117 2.63      
21 A" 3126 3000 26.51      
22 A" 3026 2903 17.16      
23 A" 3022 2899 57.73      
24 A" 1540 1477 5.47      
25 A" 1318 1264 0.30      
26 A" 1255 1204 2.47      
27 A" 1204 1155 8.71      
28 A" 1057 1014 2.64      
29 A" 853 819 0.59      
30 A" 315 302 0.74      
31 A" 245 235 0.80      
32 A" 100 96 10.63      
33 A" 70 67 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 23545.2 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 22591.6 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 CCD/6-31G
ABC
0.47796 0.04855 0.04521

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.837 2.612 0.000
C2 -1.246 1.137 0.000
O3 0.000 0.352 0.000
C4 -0.236 -1.088 0.000
C5 1.085 -1.758 0.000
N6 2.130 -2.306 0.000
H7 -1.731 3.257 0.000
H8 -0.236 2.838 0.893
H9 -0.236 2.838 -0.893
H10 -1.842 0.881 -0.897
H11 -1.842 0.881 0.897
H12 -0.810 -1.392 -0.895
H13 -0.810 -1.392 0.895

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.53092.41043.74894.77485.74431.10251.10021.10022.19292.19294.10354.1035
C21.53091.47232.44353.71674.82182.17532.17072.17071.10661.10662.71822.7182
O32.41041.47231.45922.37303.40633.38202.65212.65212.11582.11582.12122.1212
C43.74892.44351.45921.48082.66084.59554.02654.02652.69492.69491.10611.1061
C54.77483.71672.37301.48081.18005.75234.86524.86524.04204.04202.12702.1270
N65.74434.82183.40632.66081.18006.77225.73235.73235.17115.17113.20593.2059
H71.10252.17533.38204.59555.75236.77221.79181.79182.54172.54174.82384.8238
H81.10022.17072.65214.02654.86525.73231.79181.78603.10022.53154.62864.2692
H91.10022.17072.65214.02654.86525.73231.79181.78602.53153.10024.26924.6286
H102.19291.10662.11582.69494.04205.17112.54173.10022.53151.79332.49713.0734
H112.19291.10662.11582.69494.04205.17112.54172.53153.10021.79333.07342.4971
H124.10352.71822.12121.10612.12703.20594.82384.62864.26922.49713.07341.7904
H134.10352.71822.12121.10612.12703.20594.82384.26924.62863.07342.49711.7904

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.744 C1 C2 H10 111.479
C1 C2 H11 111.479 C2 C1 H7 110.331
C2 C1 H8 110.103 C2 C1 H9 110.103
C2 O3 C4 112.921 O3 C2 H10 109.436
O3 C2 H11 109.436 O3 C4 C5 107.627
O3 C4 H12 110.811 O3 C4 H13 110.811
C4 C5 N6 179.261 C5 C4 H12 109.765
C5 C4 H13 109.765 H7 C1 H8 108.871
H7 C1 H9 108.871 H8 C1 H9 108.520
H10 C2 H11 108.239 H12 C4 H13 108.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability