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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-286.962458
Energy at 298.15K-286.972997
HF Energy-286.044673
Nuclear repulsion energy238.926652
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 MP3=FULL/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 3768 3535 35.07      
2 A 3646 3421 41.73      
3 A 3180 2984 38.78      
4 A 3179 2983 42.30      
5 A 3158 2963 1.81      
6 A 3126 2934 13.99      
7 A 3121 2928 9.97      
8 A 3095 2904 23.42      
9 A 3080 2890 13.23      
10 A 1887 1770 272.76      
11 A 1683 1579 125.42      
12 A 1569 1473 6.12      
13 A 1562 1466 7.40      
14 A 1554 1458 2.74      
15 A 1536 1441 5.67      
16 A 1489 1397 70.86      
17 A 1477 1386 8.89      
18 A 1408 1321 61.62      
19 A 1368 1283 0.45      
20 A 1306 1225 54.92      
21 A 1299 1219 0.37      
22 A 1183 1110 1.46      
23 A 1160 1088 1.23      
24 A 1129 1059 1.00      
25 A 1095 1028 2.16      
26 A 968 908 2.86      
27 A 922 865 1.34      
28 A 881 827 1.90      
29 A 774 727 8.67      
30 A 642 602 33.06      
31 A 631 592 10.09      
32 A 503 472 28.24      
33 A 447 420 7.92      
34 A 357 335 14.42      
35 A 339 318 253.88      
36 A 253 238 0.03      
37 A 188 176 8.53      
38 A 98 92 0.47      
39 A 22 20 2.14      

Unscaled Zero Point Vibrational Energy (zpe) 29541.4 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 27718.7 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 MP3=FULL/6-31G*
ABC
0.29273 0.06143 0.05230

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.721 -0.239 0.006
H2 -2.854 -0.740 0.971
H3 -3.528 0.492 -0.106
H4 -2.840 -0.993 -0.780
C5 -1.356 0.439 -0.079
H6 -1.251 0.958 -1.037
H7 -1.262 1.206 0.695
C8 -0.214 -0.558 0.073
H9 -0.270 -1.330 -0.706
H10 -0.298 -1.086 1.034
N11 2.205 -0.766 -0.081
H12 3.136 -0.387 0.006
H13 2.084 -1.758 0.050
C14 1.154 0.107 0.018
O15 1.308 1.314 0.042

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09551.09431.09551.52732.16442.16642.52902.77632.76524.95545.85965.04053.89114.3189
H21.09551.76971.77012.17683.08032.52942.79533.13742.58045.16786.07825.12634.20654.7339
H31.09431.76971.76972.17322.50392.50733.48143.78083.77125.86956.72286.04874.69954.9079
H41.09551.77011.76972.17782.52893.08212.79522.59303.12405.09796.05785.05204.21884.8167
C51.52732.17682.17322.17781.09491.09381.52372.16792.16383.75904.56784.08382.53342.8065
H62.16443.08032.50392.52891.09491.74982.14682.51143.06203.97884.70564.43682.76082.7999
H72.16642.52942.50733.08211.09381.74982.14453.06232.50964.06354.72814.51682.73912.6542
C82.52902.79533.48142.79521.52372.14682.14451.09801.09932.43243.35492.59251.52212.4130
H92.77633.13743.78082.59302.16792.51143.06231.09801.75712.61393.60512.50952.14883.1684
H102.76522.58043.77123.12402.16383.06202.50961.09931.75712.75883.65252.66382.13653.0538
N114.95545.16785.86955.09793.75903.97884.06352.43242.61392.75881.00941.00781.37022.2687
H125.85966.07826.72286.05784.56784.70564.72813.35493.60513.65251.00941.72912.04272.4969
H135.04055.12636.04875.05204.08384.43684.51682.59252.50952.66381.00781.72912.08493.1688
C143.89114.20654.69954.21882.53342.76082.73911.52212.14882.13651.37022.04272.08491.2167
O154.31894.73394.90794.81672.80652.79992.65422.41303.16843.05382.26872.49693.16881.2167

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.174 C1 C5 H7 110.392
C1 C5 C8 111.979 H2 C1 H3 107.829
H2 C1 H4 107.784 H2 C1 C5 111.123
H3 C1 H4 107.837 H3 C1 C5 110.909
H4 C1 C5 111.205 C5 C8 H9 110.519
C5 C8 H10 110.115 C5 C8 C14 112.559
H6 C5 H7 106.156 H6 C5 C8 109.041
H7 C5 C8 108.916 C8 C14 N11 114.386
C8 C14 O15 123.155 H9 C8 H10 106.199
H9 C8 C14 109.124 H10 C8 C14 108.095
N11 C14 O15 122.452 H12 N11 H13 117.994
H12 N11 C14 117.476 H13 N11 C14 121.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability