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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-286.937420
Energy at 298.15K-286.947961
HF Energy-286.044506
Nuclear repulsion energy238.718588
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 MP3/6-31G*
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 3764 3533 34.18      
2 A 3644 3420 40.63      
3 A 3179 2984 41.55      
4 A 3179 2983 40.17      
5 A 3157 2963 1.85      
6 A 3126 2934 13.99      
7 A 3120 2929 9.88      
8 A 3095 2905 23.52      
9 A 3079 2890 13.36      
10 A 1883 1767 270.19      
11 A 1683 1579 122.80      
12 A 1569 1472 6.05      
13 A 1561 1465 7.31      
14 A 1553 1458 2.68      
15 A 1536 1442 5.63      
16 A 1487 1396 69.77      
17 A 1476 1385 9.69      
18 A 1407 1320 61.68      
19 A 1366 1282 0.32      
20 A 1304 1224 55.16      
21 A 1298 1218 0.41      
22 A 1182 1110 1.67      
23 A 1158 1087 1.21      
24 A 1128 1058 1.13      
25 A 1094 1027 2.23      
26 A 966 907 2.81      
27 A 920 864 1.34      
28 A 880 826 1.90      
29 A 773 726 8.64      
30 A 641 602 34.58      
31 A 628 589 11.56      
32 A 501 470 32.91      
33 A 447 420 10.52      
34 A 358 336 98.38      
35 A 350 329 162.77      
36 A 252 237 0.02      
37 A 187 176 8.43      
38 A 97 91 0.49      
39 A 21 19 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 29524.3 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 27711.5 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 MP3/6-31G*
ABC
0.29238 0.06130 0.05219

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.726 -0.241 0.004
H2 -2.853 -0.819 0.927
H3 -3.535 0.494 -0.044
H4 -2.848 -0.929 -0.840
C5 -1.360 0.444 -0.034
H6 -1.261 1.040 -0.947
H7 -1.263 1.148 0.798
C8 -0.214 -0.561 0.029
H9 -0.273 -1.267 -0.810
H10 -0.291 -1.169 0.942
N11 2.216 -0.765 -0.076
H12 3.128 -0.365 0.089
H13 2.094 -1.734 0.175
C14 1.154 0.103 0.008
O15 1.309 1.311 0.025

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09571.09421.09561.52812.16652.16752.53252.78152.76944.97015.85635.04943.89524.3235
H21.09571.76931.76992.17813.08222.53172.79923.14262.58565.16696.05655.08704.21254.7613
H31.09421.76931.76942.17522.50732.50933.48543.78613.77635.88706.71986.05854.70554.9130
H41.09561.76991.76942.17842.53163.08302.79772.59793.12585.12376.07445.10954.21894.8007
C51.52812.17812.17522.17841.09471.09421.52572.17102.16723.77514.56264.08952.53772.8076
H62.16653.08222.50732.53161.09471.74772.14742.51403.06384.01284.72334.49602.76062.7607
H72.16752.53172.50933.08301.09421.74772.14743.06572.51614.06474.69814.46832.74882.6907
C82.53252.79923.48542.79771.52572.14742.14741.09821.09962.44053.34872.59371.52072.4136
H92.78153.14263.78612.59792.17102.51403.06571.09821.75522.64253.63172.60612.14063.1380
H102.76942.58563.77633.12582.16723.06382.51611.09961.75522.73533.61472.56872.13923.0904
N114.97015.16695.88705.12373.77514.01284.06472.44052.64252.73531.01021.00871.37392.2675
H125.85636.05656.71986.07444.56264.72334.69813.34873.63173.61471.01021.71842.03062.4741
H135.04945.08706.05855.10954.08954.49604.46832.59372.60612.56871.00871.71842.07073.1486
C143.89524.21254.70554.21892.53772.76062.74881.52072.14062.13921.37392.03062.07071.2183
O154.32354.76134.91304.80072.80762.76072.69072.41363.13803.09042.26752.47413.14861.2183

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.290 C1 C5 H7 110.399
C1 C5 C8 112.046 H2 C1 H3 107.795
H2 C1 H4 107.742 H2 C1 C5 111.150
H3 C1 H4 107.807 H3 C1 C5 111.008
H4 C1 C5 111.179 C5 C8 H9 110.604
C5 C8 H10 110.221 C5 C8 C14 112.818
H6 C5 H7 105.966 H6 C5 C8 108.959
H7 C5 C8 108.983 C8 C14 N11 114.850
C8 C14 O15 123.195 H9 C8 H10 105.993
H9 C8 C14 108.568 H10 C8 C14 108.378
N11 C14 O15 121.921 H12 N11 H13 116.679
H12 N11 C14 115.970 H13 N11 C14 119.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability