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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-287.840638
Energy at 298.15K-287.850938
Nuclear repulsion energy237.976092
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*
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 3715 3568 26.36      
2 A 3588 3446 28.37      
3 A 3118 2994 50.39      
4 A 3114 2990 43.56      
5 A 3092 2969 8.53      
6 A 3064 2943 21.88      
7 A 3052 2931 29.06      
8 A 3040 2919 27.22      
9 A 3025 2905 11.98      
10 A 1805 1733 267.73      
11 A 1645 1579 106.03      
12 A 1539 1478 4.78      
13 A 1530 1470 6.22      
14 A 1522 1462 2.14      
15 A 1498 1439 5.15      
16 A 1443 1386 1.18      
17 A 1428 1371 59.92      
18 A 1377 1322 34.04      
19 A 1334 1281 29.85      
20 A 1285 1234 56.02      
21 A 1266 1216 9.63      
22 A 1146 1101 0.93      
23 A 1129 1084 3.44      
24 A 1083 1040 1.54      
25 A 1058 1016 2.41      
26 A 932 895 2.09      
27 A 896 860 1.12      
28 A 852 818 3.52      
29 A 757 727 6.24      
30 A 674 647 8.39      
31 A 617 593 18.16      
32 A 519 498 6.03      
33 A 425 408 1.80      
34 A 342 328 2.62      
35 A 250 240 0.70      
36 A 201 193 229.74      
37 A 187 180 9.55      
38 A 92 88 1.35      
39 A 40 39 4.74      

Unscaled Zero Point Vibrational Energy (zpe) 28840.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 27695.1 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*
ABC
0.28606 0.06065 0.05238

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.739 -0.194 0.033
H2 -2.892 -0.306 1.113
H3 -3.524 0.469 -0.347
H4 -2.888 -1.180 -0.426
C5 -1.348 0.367 -0.275
H6 -1.233 0.505 -1.358
H7 -1.225 1.358 0.172
C8 -0.218 -0.533 0.237
H9 -0.252 -1.516 -0.251
H10 -0.353 -0.716 1.313
N11 2.185 -0.774 -0.169
H12 3.127 -0.410 -0.171
H13 2.059 -1.773 -0.101
C14 1.160 0.106 0.058
O15 1.344 1.314 0.116

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09731.09571.09741.53072.16572.17282.55192.83082.75734.96155.87355.05273.91004.3530
H21.09731.76981.76992.18333.08562.53722.82413.20942.58015.25756.15645.30534.20764.6441
H31.09571.76981.76952.17922.50392.51883.50353.82863.77015.84506.71126.02134.71484.9620
H41.09741.76991.76952.18732.53903.09272.82612.66303.10855.09506.06944.99284.27424.9414
C51.53072.18332.17922.18731.09781.09481.53262.17902.16463.71404.54354.02712.54322.8805
H62.16573.08562.50392.53901.09781.75192.15722.50563.06663.83894.61124.19682.80943.0772
H72.17282.53722.51883.09271.09481.75192.14323.06402.52274.03584.71004.54552.69542.5698
C82.55192.82413.50352.82611.53262.15722.14321.09841.10042.44823.37202.61451.52872.4211
H92.83083.20943.82862.66302.17902.50563.06401.09841.75992.54823.55652.32992.17263.2694
H102.75732.58013.77013.10852.16463.06662.52271.10041.75992.93933.79622.98932.13072.9040
N114.96155.25755.84505.09503.71403.83894.03582.44822.54822.93931.01071.00871.37022.2685
H125.87356.15646.71126.06944.54354.61124.71003.37203.55653.79621.01071.73322.04712.4964
H135.05275.30536.02134.99284.02714.19684.54552.61452.32992.98931.00871.73322.08943.1755
C143.91004.20764.71484.27422.54322.80942.69541.52872.17262.13071.37022.04712.08941.2225
O154.35304.64414.96204.94142.88053.07722.56982.42113.26942.90402.26852.49643.17551.2225

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.867 C1 C5 H7 110.602
C1 C5 C8 112.825 H2 C1 H3 107.611
H2 C1 H4 107.507 H2 C1 C5 111.288
H3 C1 H4 107.575 H3 C1 C5 111.054
H4 C1 C5 111.607 C5 C8 H9 110.747
C5 C8 H10 109.497 C5 C8 C14 112.354
H6 C5 H7 106.071 H6 C5 C8 109.073
H7 C5 C8 108.161 C8 C14 N11 115.130
C8 C14 O15 122.896 H9 C8 H10 106.332
H9 C8 C14 110.516 H10 C8 C14 107.146
N11 C14 O15 121.973 H12 N11 H13 118.247
H12 N11 C14 117.801 H13 N11 C14 122.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.447 -0.210   -0.312
2 H 0.141 0.049   0.077
3 H 0.148 0.047   0.072
4 H 0.138 0.038   0.065
5 C -0.244 0.222   0.250
6 H 0.141 -0.034   -0.026
7 H 0.169 -0.025   -0.021
8 C -0.356 -0.224   -0.285
9 H 0.134 0.053   0.072
10 H 0.164 0.052   0.075
11 N -0.748 -0.938   -0.937
12 H 0.338 0.407   0.410
13 H 0.332 0.385   0.388
14 C 0.595 0.727   0.710
15 O -0.505 -0.551   -0.539


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.310 -3.493 0.105 3.508
CHELPG 0.311 -3.527 0.128 3.543
AIM        
ESP 0.295 -3.513 0.126 3.528


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.498 -6.210 -0.034
y -6.210 -38.482 -0.417
z -0.034 -0.417 -37.616
Traceless
 xyz
x 5.550 -6.210 -0.034
y -6.210 -3.425 -0.417
z -0.034 -0.417 -2.125
Polar
3z2-r2-4.251
x2-y25.983
xy-6.210
xz-0.034
yz-0.417


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.110 -0.363 -0.203
y -0.363 7.881 0.102
z -0.203 0.102 5.751


<r2> (average value of r2) Å2
<r2> 218.180
(<r2>)1/2 14.771