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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-287.475302
Energy at 298.15K-287.485501
Nuclear repulsion energy237.092390
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 PBEPBE/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 3628 3577 20.20      
2 A 3498 3448 17.32      
3 A 3058 3015 34.52      
4 A 3055 3011 50.82      
5 A 3032 2989 0.79      
6 A 3000 2957 19.71      
7 A 2988 2945 28.33      
8 A 2976 2934 25.79      
9 A 2957 2915 13.40      
10 A 1756 1730 233.92      
11 A 1590 1568 99.85      
12 A 1490 1469 5.59      
13 A 1483 1461 7.38      
14 A 1474 1453 2.50      
15 A 1445 1424 5.85      
16 A 1393 1373 1.42      
17 A 1377 1357 68.74      
18 A 1333 1314 25.83      
19 A 1291 1272 34.60      
20 A 1240 1222 31.28      
21 A 1222 1205 7.35      
22 A 1113 1097 1.28      
23 A 1091 1075 3.08      
24 A 1057 1042 0.60      
25 A 1037 1022 2.25      
26 A 914 901 2.52      
27 A 866 854 0.88      
28 A 829 817 5.01      
29 A 736 725 6.59      
30 A 659 650 6.43      
31 A 602 593 16.07      
32 A 504 497 6.79      
33 A 412 406 1.75      
34 A 334 329 2.28      
35 A 248 245 1.03      
36 A 207 204 215.68      
37 A 182 180 8.78      
38 A 93 92 1.58      
39 A 48 48 4.41      

Unscaled Zero Point Vibrational Energy (zpe) 28109.1 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 27707.1 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 PBEPBE/6-31G*
ABC
0.28240 0.06047 0.05221

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.741 -0.185 0.041
H2 -2.889 -0.265 1.133
H3 -3.530 0.478 -0.354
H4 -2.905 -1.190 -0.390
C5 -1.347 0.353 -0.293
H6 -1.236 0.461 -1.388
H7 -1.205 1.363 0.127
C8 -0.219 -0.540 0.238
H9 -0.249 -1.539 -0.237
H10 -0.365 -0.708 1.325
N11 2.190 -0.775 -0.172
H12 3.138 -0.406 -0.167
H13 2.066 -1.781 -0.094
C14 1.160 0.107 0.061
O15 1.342 1.325 0.121

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10511.10341.10511.53132.17402.18292.55512.84972.75134.97085.88775.06733.91204.3541
H21.10511.78201.78152.18953.10122.54932.82933.23512.56965.26826.16755.32494.20444.6315
H31.10341.78201.78152.18712.51612.53383.51433.85293.77395.85806.72926.04044.72254.9674
H41.10511.78151.78152.19412.55083.11022.83382.68253.10185.11586.09785.01464.28994.9613
C51.53132.18952.18712.19411.10601.10371.53392.18812.16993.71424.55114.03032.54372.8890
H62.17403.10122.51612.55081.10601.76412.16422.51033.08023.83994.62414.19632.82283.1096
H72.18292.54932.53383.11021.10371.76412.14633.07732.53574.02304.69914.54262.67842.5472
C82.55512.82933.51432.83381.53392.16422.14631.10691.10892.45443.38432.62141.53302.4343
H92.84973.23513.85292.68252.18812.51033.07731.10691.77252.55683.57312.33252.18733.2955
H102.75132.56963.77393.10182.16993.08022.53571.10891.77252.96133.81963.01222.14112.9144
N114.97085.26825.85805.11583.71423.83994.02302.45442.55682.96131.01821.01661.37592.2829
H125.88776.16756.72926.09784.55114.62414.69913.38433.57313.81961.01821.74542.05692.5108
H135.06735.32496.04045.01464.03034.19634.54262.62142.33253.01221.01661.74542.10013.1960
C143.91204.20444.72254.28992.54372.82282.67841.53302.18732.14111.37592.05692.10011.2325
O154.35414.63154.96744.96132.88903.10962.54722.43433.29552.91442.28292.51083.19601.2325

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.993 C1 C5 H7 110.830
C1 C5 C8 112.931 H2 C1 H3 107.589
H2 C1 H4 107.424 H2 C1 C5 111.268
H3 C1 H4 107.536 H3 C1 C5 111.181
H4 C1 C5 111.635 C5 C8 H9 110.873
C5 C8 H10 109.331 C5 C8 C14 112.078
H6 C5 H7 105.951 H6 C5 C8 109.057
H7 C5 C8 107.812 C8 C14 N11 114.976
C8 C14 O15 122.976 H9 C8 H10 106.252
H9 C8 C14 110.871 H10 C8 C14 107.186
N11 C14 O15 122.048 H12 N11 H13 118.142
H12 N11 C14 117.668 H13 N11 C14 122.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.488      
2 H 0.155      
3 H 0.161      
4 H 0.152      
5 C -0.277      
6 H 0.156      
7 H 0.181      
8 C -0.388      
9 H 0.146      
10 H 0.178      
11 N -0.725      
12 H 0.336      
13 H 0.329      
14 C 0.555      
15 O -0.471      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.418 -3.393 0.116 3.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.151 -6.074 0.004
y -6.074 -38.220 -0.440
z 0.004 -0.440 -37.653
Traceless
 xyz
x 5.785 -6.074 0.004
y -6.074 -3.318 -0.440
z 0.004 -0.440 -2.467
Polar
3z2-r2-4.935
x2-y26.069
xy-6.074
xz0.004
yz-0.440


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.657 -0.416 -0.229
y -0.416 8.141 0.105
z -0.229 0.105 5.880


<r2> (average value of r2) Å2
<r2> 218.896
(<r2>)1/2 14.795