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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-286.542347
Energy at 298.15K-286.552925
HF Energy-285.960645
Nuclear repulsion energy233.786249
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 MP2/SDD
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 3754 3624 33.96      
2 A 3595 3471 51.12      
3 A 3125 3016 77.13      
4 A 3120 3011 47.11      
5 A 3102 2994 1.76      
6 A 3086 2979 14.68      
7 A 3041 2936 33.62      
8 A 3028 2923 20.04      
9 A 3013 2909 36.69      
10 A 1696 1637 195.78      
11 A 1635 1578 131.67      
12 A 1544 1490 9.78      
13 A 1542 1489 8.84      
14 A 1533 1480 2.80      
15 A 1512 1460 9.23      
16 A 1459 1408 3.61      
17 A 1427 1377 37.75      
18 A 1382 1334 77.34      
19 A 1343 1296 4.69      
20 A 1316 1270 80.75      
21 A 1284 1240 24.10      
22 A 1166 1125 5.73      
23 A 1136 1096 7.15      
24 A 1077 1040 8.32      
25 A 1061 1024 1.50      
26 A 925 893 3.39      
27 A 912 881 2.91      
28 A 857 827 0.33      
29 A 771 745 7.13      
30 A 683 659 43.03      
31 A 602 581 68.87      
32 A 530 512 52.17      
33 A 463 447 211.11      
34 A 421 406 4.27      
35 A 332 321 2.06      
36 A 232 224 0.10      
37 A 185 179 5.97      
38 A 90 87 2.19      
39 A 37 36 5.51      

Unscaled Zero Point Vibrational Energy (zpe) 29008.2 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 28001.6 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 MP2/SDD
ABC
0.26312 0.05904 0.05142

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.772 -0.174 0.007
H2 -2.964 -0.020 1.086
H3 -3.544 0.375 -0.561
H4 -2.887 -1.253 -0.211
C5 -1.344 0.323 -0.374
H6 -1.175 0.182 -1.459
H7 -1.241 1.402 -0.163
C8 -0.235 -0.443 0.417
H9 -0.291 -1.527 0.192
H10 -0.408 -0.313 1.503
N11 2.139 -0.862 -0.208
H12 3.087 -0.558 -0.412
H13 1.925 -1.853 -0.218
C14 1.173 0.101 0.095
O15 1.450 1.345 0.104

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10601.10481.10611.55952.19782.20412.58382.83162.80044.96375.88704.99353.95544.4881
H21.10601.79001.79112.20733.11762.55902.84173.19602.60635.33166.25735.38234.25544.7234
H31.10481.79001.78952.20812.54102.55263.54593.84233.81645.82656.69805.91554.76985.1304
H41.10611.79111.78952.21122.55863.12382.84272.64123.15645.04106.01784.84964.29035.0649
C51.55952.20732.20812.21121.10751.10441.56302.20262.19163.68314.51843.93072.56993.0132
H62.19783.11762.54102.55861.10751.78192.18912.53503.09923.69244.45043.91022.81663.2686
H72.20412.55902.55263.12381.10441.78192.18063.09952.53214.06894.75844.54182.75442.7052
C82.58382.84173.54592.84271.56302.18912.18061.10751.10752.49043.42622.65651.54322.4768
H92.83163.19603.84232.64122.20262.53503.09951.10751.78962.55093.56612.27772.19133.3589
H102.80042.60633.81643.15642.19163.09922.53211.10751.78963.11723.99333.28292.15682.8564
N114.96375.33165.82655.04103.68313.69244.06892.49042.55093.11721.01661.01371.39782.3325
H125.88706.25736.69806.01784.51844.45044.75843.42623.56613.99331.01661.75062.08762.5625
H134.99355.38235.91554.84963.93073.91024.54182.65652.27773.28291.01371.75062.11753.2486
C143.95544.25544.76984.29032.56992.81662.75441.54322.19132.15681.39782.08762.11751.2739
O154.48814.72345.13045.06493.01323.26862.70522.47683.35892.85642.33252.56253.24861.2739

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.830 C1 C5 H7 110.502
C1 C5 C8 111.685 H2 C1 H3 108.123
H2 C1 H4 108.131 H2 C1 C5 110.662
H3 C1 H4 108.072 H3 C1 C5 110.791
H4 C1 C5 110.953 C5 C8 H9 109.961
C5 C8 H10 109.114 C5 C8 C14 111.650
H6 C5 H7 107.337 H6 C5 C8 108.920
H7 C5 C8 108.449 C8 C14 N11 115.632
C8 C14 O15 122.804 H9 C8 H10 107.792
H9 C8 C14 110.437 H10 C8 C14 107.774
N11 C14 O15 121.563 H12 N11 H13 119.143
H12 N11 C14 118.841 H13 N11 C14 122.010
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability