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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-286.416450
Energy at 298.15K-286.408391
HF Energy-286.598985
Nuclear repulsion energy216.064154
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 B3LYP/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' 3125 3015 19.23      
2 A' 3049 2943 12.82      
3 A' 2968 2864 60.78      
4 A' 2959 2856 15.34      
5 A' 2374 2291 0.43      
6 A' 1531 1477 4.27      
7 A' 1500 1448 0.09      
8 A' 1495 1443 7.19      
9 A' 1449 1398 8.55      
10 A' 1407 1358 9.49      
11 A' 1381 1333 62.66      
12 A' 1161 1121 190.75      
13 A' 1144 1104 39.46      
14 A' 1045 1008 14.90      
15 A' 953 920 7.40      
16 A' 899 867 4.90      
17 A' 560 540 1.40      
18 A' 421 406 0.99      
19 A' 303 293 2.47      
20 A' 134 129 3.36      
21 A" 3129 3019 20.82      
22 A" 2992 2888 18.37      
23 A" 2985 2881 57.73      
24 A" 1482 1431 4.65      
25 A" 1300 1254 2.61      
26 A" 1255 1211 3.87      
27 A" 1188 1147 6.00      
28 A" 1035 999 0.90      
29 A" 824 795 0.58      
30 A" 387 374 2.14      
31 A" 239 231 0.27      
32 A" 114 110 5.70      
33 A" 78 75 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 23432.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 22612.3 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 B3LYP/6-31G(2df,p)
ABC
0.52024 0.04982 0.04666

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.918 2.553 0.000
C2 -1.229 1.068 0.000
O3 0.000 0.355 0.000
C4 -0.186 -1.035 0.000
C5 1.121 -1.700 0.000
N6 2.134 -2.254 0.000
H7 -1.846 3.132 0.000
H8 -0.339 2.823 0.887
H9 -0.339 2.823 -0.887
H10 -1.823 0.791 -0.887
H11 -1.823 0.791 0.887
H12 -0.749 -1.372 -0.886
H13 -0.749 -1.372 0.886

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51762.38193.66174.71675.69431.09381.09321.09322.17002.17004.02794.0279
C21.51761.42082.34713.63104.72712.15492.15892.15891.10261.10262.64022.6402
O32.38191.42081.40222.34113.37093.33472.64402.64402.07352.07352.08132.0813
C43.66172.34711.40221.46652.62074.48563.96123.96122.60782.60781.10321.1032
C54.71673.63102.34111.46651.15445.67074.83474.83473.95723.95722.09542.0954
N65.69434.72713.37092.62071.15446.69745.71645.71645.07115.07113.14233.1423
H71.09382.15493.33474.48565.67076.69741.77621.77622.50372.50374.72054.7205
H81.09322.15892.64403.96124.83475.71641.77621.77323.07862.51614.57324.2156
H91.09322.15892.64403.96124.83475.71641.77621.77322.51613.07864.21564.5732
H102.17001.10262.07352.60783.95725.07112.50373.07862.51611.77482.41542.9967
H112.17001.10262.07352.60783.95725.07112.50372.51613.07861.77482.99672.4154
H124.02792.64022.08131.10322.09543.14234.72054.57324.21562.41542.99671.7726
H134.02792.64022.08131.10322.09543.14234.72054.21564.57322.99672.41541.7726

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.277 C1 C2 H10 110.609
C1 C2 H11 110.609 C2 C1 H7 110.236
C2 C1 H8 110.443 C2 C1 H9 110.443
C2 O3 C4 113.099 O3 C2 H10 110.071
O3 C2 H11 110.071 O3 C4 C5 109.359
O3 C4 H12 112.085 O3 C4 H13 112.085
C4 C5 N6 178.615 C5 C4 H12 108.028
C5 C4 H13 108.028 H7 C1 H8 108.635
H7 C1 H9 108.635 H8 C1 H9 108.391
H10 C2 H11 107.208 H12 C4 H13 107.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability