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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-285.791639
Energy at 298.15K-285.799427
HF Energy-284.850229
Nuclear repulsion energy215.007879
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/cc-pVDZ
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' 3161 3033 21.13      
2 A' 3072 2947 14.82      
3 A' 3021 2898 43.27      
4 A' 3002 2880 34.15      
5 A' 2334 2240 1.79      
6 A' 1535 1473 2.30      
7 A' 1506 1445 3.05      
8 A' 1502 1441 2.92      
9 A' 1463 1404 8.03      
10 A' 1414 1357 35.21      
11 A' 1388 1331 66.04      
12 A' 1199 1150 188.24      
13 A' 1166 1118 19.02      
14 A' 1081 1037 17.31      
15 A' 963 924 10.27      
16 A' 916 879 4.78      
17 A' 551 528 0.74      
18 A' 426 409 0.98      
19 A' 299 287 1.60      
20 A' 132 127 3.00      
21 A" 3167 3038 21.54      
22 A" 3059 2935 19.24      
23 A" 3042 2918 66.88      
24 A" 1482 1421 5.12      
25 A" 1304 1251 3.17      
26 A" 1265 1214 3.81      
27 A" 1195 1147 6.83      
28 A" 1040 998 2.47      
29 A" 826 793 0.15      
30 A" 362 347 1.35      
31 A" 258 248 0.50      
32 A" 111 106 5.71      
33 A" 74 71 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 23656.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 22695.9 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/cc-pVDZ
ABC
0.51133 0.04957 0.04639

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.955 2.542 0.000
C2 -1.247 1.049 0.000
O3 0.000 0.362 0.000
C4 -0.186 -1.032 0.000
C5 1.145 -1.688 0.000
N6 2.181 -2.234 0.000
H7 -1.899 3.116 0.000
H8 -0.372 2.816 0.896
H9 -0.372 2.816 -0.896
H10 -1.839 0.762 -0.896
H11 -1.839 0.762 0.896
H12 -0.744 -1.376 -0.896
H13 -0.744 -1.376 0.896

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.52112.38063.65594.72325.71431.10421.10361.10362.18032.18034.02514.0251
C21.52111.42382.33573.63544.74692.16712.16572.16571.11191.11192.63412.6341
O32.38061.42381.40602.34813.39073.34542.63932.63932.08432.08432.09232.0923
C43.65592.33571.40601.48482.65554.48743.95543.95542.59812.59811.11051.1105
C54.72323.63542.34811.48481.17105.68744.83684.83683.96363.96362.11472.1147
N65.71434.74693.39072.65551.17106.72855.72975.72975.09315.09313.17803.1780
H71.10422.16713.34544.48745.68746.72851.79551.79552.51982.51984.72394.7239
H81.10362.16572.63933.95544.83685.72971.79551.79113.09582.52474.57464.2091
H91.10362.16572.63933.95544.83685.72971.79551.79112.52473.09584.20914.5746
H102.18031.11192.08432.59813.96365.09312.51983.09582.52471.79232.40172.9968
H112.18031.11192.08432.59813.96365.09312.51982.52473.09581.79232.99682.4017
H124.02512.63412.09231.11052.11473.17804.72394.57464.20912.40172.99681.7924
H134.02512.63412.09231.11052.11473.17804.72394.20914.57462.99682.40171.7924

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.834 C1 C2 H10 110.846
C1 C2 H11 110.846 C2 C1 H7 110.266
C2 C1 H8 110.192 C2 C1 H9 110.192
C2 O3 C4 111.255 O3 C2 H10 109.959
O3 C2 H11 109.959 O3 C4 C5 108.610
O3 C4 H12 111.961 O3 C4 H13 111.961
C4 C5 N6 178.432 C5 C4 H12 108.283
C5 C4 H13 108.283 H7 C1 H8 108.829
H7 C1 H9 108.829 H8 C1 H9 108.489
H10 C2 H11 107.405 H12 C4 H13 107.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability