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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-286.217924
Energy at 298.15K-286.225584
HF Energy-286.217924
Nuclear repulsion energy214.717751
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 PBEPBE/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' 3082 3038 17.18      
2 A' 3002 2960 12.22      
3 A' 2903 2862 66.78      
4 A' 2891 2849 19.82      
5 A' 2294 2262 0.25      
6 A' 1510 1489 3.25      
7 A' 1483 1462 1.60      
8 A' 1472 1451 8.64      
9 A' 1414 1394 12.20      
10 A' 1380 1361 8.49      
11 A' 1344 1324 60.46      
12 A' 1134 1118 119.03      
13 A' 1116 1100 100.01      
14 A' 1028 1014 17.70      
15 A' 939 926 4.39      
16 A' 884 871 5.72      
17 A' 543 535 0.79      
18 A' 413 408 1.00      
19 A' 293 289 1.89      
20 A' 129 127 2.96      
21 A" 3087 3043 19.01      
22 A" 2931 2889 39.63      
23 A" 2911 2869 52.39      
24 A" 1466 1445 6.67      
25 A" 1269 1251 1.68      
26 A" 1221 1204 3.51      
27 A" 1160 1143 6.48      
28 A" 1007 992 0.50      
29 A" 811 799 1.21      
30 A" 370 365 1.19      
31 A" 247 243 0.23      
32 A" 116 114 5.76      
33 A" 79 78 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22963.1 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 22634.7 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 PBEPBE/6-31G*
ABC
0.51974 0.04925 0.04618

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.036 2.521 0.000
C2 -1.274 1.020 0.000
O3 0.000 0.369 0.000
C4 -0.143 -1.037 0.000
C5 1.188 -1.663 0.000
N6 2.236 -2.189 0.000
H7 -1.999 3.058 0.000
H8 -0.466 2.822 0.894
H9 -0.466 2.822 -0.894
H10 -1.859 0.711 -0.895
H11 -1.859 0.711 0.895
H12 -0.702 -1.397 -0.894
H13 -0.702 -1.397 0.894

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51982.38803.66844.73775.73421.10281.10201.10202.18032.18034.03244.0324
C21.51981.43082.34773.64104.75522.16352.16812.16811.11281.11282.63962.6396
O32.38801.43081.41382.35353.39703.35072.65202.65202.09112.09112.10052.1005
C43.66842.34771.41381.47012.64234.49663.97483.97482.60792.60791.11421.1142
C54.73773.64102.35351.47011.17235.69584.86304.86303.96413.96412.10742.1074
N65.73424.75523.39702.64231.17236.74245.76255.76255.09595.09593.17103.1710
H71.10282.16353.35074.49665.69586.74241.78991.78992.51642.51644.72564.7256
H81.10202.16812.65203.97484.86305.76251.78991.78753.09802.52914.58854.2259
H91.10202.16812.65203.97484.86305.76251.78991.78752.52913.09804.22594.5885
H102.18031.11282.09112.60793.96415.09592.51643.09802.52911.79072.40422.9969
H112.18031.11282.09112.60793.96415.09592.51642.52913.09801.79072.99692.4042
H124.03242.63962.10051.11422.10743.17104.72564.58854.22592.40422.99691.7876
H134.03242.63962.10051.11422.10743.17104.72564.22594.58852.99692.40421.7876

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.022 C1 C2 H10 110.885
C1 C2 H11 110.885 C2 C1 H7 110.156
C2 C1 H8 110.563 C2 C1 H9 110.563
C2 O3 C4 111.241 O3 C2 H10 109.957
O3 C2 H11 109.957 O3 C4 C5 109.375
O3 C4 H12 111.844 O3 C4 H13 111.844
C4 C5 N6 178.520 C5 C4 H12 108.482
C5 C4 H13 108.482 H7 C1 H8 108.552
H7 C1 H9 108.552 H8 C1 H9 108.390
H10 C2 H11 107.142 H12 C4 H13 106.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability