return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-284.152020
Energy at 298.15K-284.162104
Nuclear repulsion energy232.615105
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/STO-3G
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 3788 3381 0.05      
2 A 3580 3195 2.12      
3 A 3481 3106 3.35      
4 A 3479 3104 2.33      
5 A 3456 3084 1.56      
6 A 3441 3071 0.02      
7 A 3346 2986 4.06      
8 A 3331 2973 1.26      
9 A 3310 2954 2.78      
10 A 1866 1665 69.85      
11 A 1763 1573 14.54      
12 A 1698 1515 2.65      
13 A 1689 1507 3.77      
14 A 1675 1495 0.89      
15 A 1652 1474 0.33      
16 A 1578 1408 0.24      
17 A 1510 1348 7.23      
18 A 1425 1272 1.92      
19 A 1407 1255 9.26      
20 A 1366 1219 20.16      
21 A 1328 1185 80.75      
22 A 1224 1092 0.38      
23 A 1197 1068 7.61      
24 A 1129 1008 1.51      
25 A 1109 990 10.41      
26 A 982 877 1.53      
27 A 946 844 1.06      
28 A 882 788 5.08      
29 A 799 713 7.76      
30 A 667 595 43.17      
31 A 591 527 165.07      
32 A 530 473 28.11      
33 A 419 374 7.15      
34 A 381 340 37.08      
35 A 330 295 0.90      
36 A 235 210 0.04      
37 A 183 163 1.77      
38 A 86 77 0.48      
39 A 49 43 2.08      

Unscaled Zero Point Vibrational Energy (zpe) 30952.8 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 27622.3 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/STO-3G
ABC
0.24385 0.05910 0.05234

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.760 0.011 0.009
H2 2.995 -1.016 0.328
H3 3.460 0.294 -0.792
H4 2.922 0.684 0.865
C5 1.291 0.106 -0.496
H6 1.079 1.136 -0.833
H7 1.157 -0.559 -1.367
C8 0.261 -0.291 0.612
H9 0.400 0.357 1.495
H10 0.431 -1.335 0.924
N11 -1.636 1.213 -0.090
H12 -2.680 1.301 -0.145
H13 -1.264 1.859 0.648
C14 -1.221 -0.174 0.098
O15 -1.949 -1.140 -0.229

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10081.10091.10091.55622.19072.18772.58762.81022.84084.55775.59284.47423.98584.8534
H21.10081.78481.78442.20103.10662.54212.84273.15972.65175.15636.14845.14934.30554.9776
H31.10091.78481.78492.19712.52562.52193.54153.82103.84325.22526.25565.18114.78755.6242
H41.10091.78441.78492.20172.54633.10502.84532.62073.20744.68675.72614.35394.30005.3158
C51.55622.20102.19712.20171.10391.10381.56362.19622.19853.15504.16163.30342.59633.4819
H62.19073.10662.52562.54631.10391.77832.18912.54783.10052.81593.82532.86532.80613.8362
H72.18772.54212.52193.10501.10381.77832.18833.09922.52543.54524.43553.97132.81943.3589
C82.58762.84273.54152.84531.56362.18912.18831.10451.10312.52013.42912.63691.57282.5129
H92.81023.15973.82102.62072.19622.54783.09921.10451.78622.71823.61522.39712.20473.2762
H102.84082.65173.84323.20742.19853.10052.52541.10311.78623.43374.21563.62732.18142.6523
N114.55775.15635.22524.68673.15502.81593.54522.52012.71823.43371.04971.04911.45972.3774
H125.59286.14846.25565.72614.16163.82534.43553.42913.61524.21561.04971.71652.08912.5489
H134.47425.14935.18114.35393.30342.86533.97132.63692.39713.62731.04911.71652.10713.1992
C143.98584.30554.78754.30002.59632.80612.81941.57282.20472.18141.45972.08912.10711.2532
O154.85344.97765.62425.31583.48193.83623.35892.51293.27622.65232.37742.54893.19921.2532

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.716 C1 C5 H7 109.490
C1 C5 C8 112.077 H2 C1 H3 108.322
H2 C1 H4 108.283 H2 C1 C5 110.697
H3 C1 H4 108.320 H3 C1 C5 110.386
H4 C1 C5 110.749 C5 C8 H9 109.593
C5 C8 H10 109.854 C5 C8 C14 111.743
H6 C5 H7 107.324 H6 C5 C8 109.086
H7 C5 C8 109.027 C8 C14 N11 112.355
C8 C14 O15 125.165 H9 C8 H10 108.017
H9 C8 C14 109.623 H10 C8 C14 107.924
N11 C14 O15 122.221 H12 N11 H13 109.742
H12 N11 C14 111.670 H13 N11 C14 113.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.218      
2 H 0.073      
3 H 0.075      
4 H 0.070      
5 C -0.126      
6 H 0.075      
7 H 0.075      
8 C -0.151      
9 H 0.069      
10 H 0.081      
11 N -0.376      
12 H 0.185      
13 H 0.180      
14 C 0.205      
15 O -0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.540 1.776 1.447 2.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.206 -4.621 -2.140
y -4.621 -34.913 1.561
z -2.140 1.561 -34.377
Traceless
 xyz
x 0.439 -4.621 -2.140
y -4.621 -0.621 1.561
z -2.140 1.561 0.182
Polar
3z2-r20.365
x2-y20.706
xy-4.621
xz-2.140
yz1.561


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.107 0.036 0.404
y 0.036 4.830 0.249
z 0.404 0.249 3.058


<r2> (average value of r2) Å2
<r2> 220.361
(<r2>)1/2 14.845