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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-287.491192
Energy at 298.15K-287.501311
Nuclear repulsion energy237.228132
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 3662 3612 24.36      
2 A 3518 3470 19.36      
3 A 3062 3020 32.04      
4 A 3057 3015 48.57      
5 A 3035 2993 0.44      
6 A 3002 2961 18.62      
7 A 2989 2948 26.29      
8 A 2976 2935 26.07      
9 A 2958 2917 13.95      
10 A 1753 1729 234.51      
11 A 1568 1547 110.80      
12 A 1473 1453 5.15      
13 A 1465 1445 6.77      
14 A 1457 1437 2.39      
15 A 1427 1407 6.07      
16 A 1378 1359 1.89      
17 A 1369 1350 70.05      
18 A 1324 1306 22.75      
19 A 1281 1264 34.40      
20 A 1228 1211 28.91      
21 A 1212 1195 5.40      
22 A 1106 1091 0.95      
23 A 1081 1066 2.57      
24 A 1051 1037 1.03      
25 A 1030 1016 1.72      
26 A 910 898 2.50      
27 A 860 848 0.80      
28 A 823 812 5.07      
29 A 732 722 6.42      
30 A 658 649 5.77      
31 A 598 590 12.64      
32 A 505 498 6.76      
33 A 412 406 1.98      
34 A 334 330 2.34      
35 A 247 244 0.22      
36 A 183 180 7.90      
37 A 149 147 200.87      
38 A 92 91 2.47      
39 A 51 50 4.15      

Unscaled Zero Point Vibrational Energy (zpe) 28006.9 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 27623.2 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
0.28360 0.06050 0.05220

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 0.047
H2 -2.881 -0.278 1.138
H3 -3.530 0.483 -0.334
H4 -2.910 -1.183 -0.394
C5 -1.348 0.353 -0.290
H6 -1.245 0.477 -1.383
H7 -1.198 1.357 0.142
C8 -0.218 -0.547 0.221
H9 -0.245 -1.537 -0.272
H10 -0.360 -0.738 1.303
N11 2.197 -0.769 -0.151
H12 3.140 -0.391 -0.173
H13 2.072 -1.775 -0.134
C14 1.159 0.106 0.058
O15 1.333 1.325 0.119

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10381.10201.10391.53092.17322.18312.55522.85662.74834.97635.88865.07203.91094.3456
H21.10381.77951.77892.18823.09912.54902.82963.24372.56805.26206.16305.32824.19964.6226
H31.10201.77951.77882.18652.51532.53503.51343.85733.77115.86536.72926.04364.72064.9564
H41.10391.77891.77882.19332.55093.10912.83412.69163.09525.12966.10565.02394.29234.9557
C51.53092.18822.18652.19331.10491.10281.53322.18852.16953.72104.55094.03132.54312.8811
H62.17323.09912.51532.55091.10491.76142.16282.50753.07833.86164.63064.19892.82683.1018
H72.18312.54902.53503.10911.10281.76142.14343.07462.53804.01664.68794.53662.66982.5318
C82.55522.82963.51342.83411.53322.16282.14341.10591.10782.45313.38412.62221.53272.4334
H92.85663.24373.85732.69162.18852.50753.07461.10591.76992.56233.57452.33302.18613.2914
H102.74832.56803.77113.09522.16953.07832.53801.10781.76992.94203.81433.00922.13832.9202
N114.97635.26205.86535.12963.72103.86164.01662.45312.56232.94201.01601.01431.37382.2814
H125.88866.16306.72926.10564.55094.63064.68793.38413.57453.81431.01601.74852.05552.5094
H135.07205.32826.04365.02394.03134.19894.53662.62222.33303.00921.01431.74852.10023.1974
C143.91094.19964.72064.29232.54312.82682.66981.53272.18612.13831.37382.05552.10021.2328
O154.34564.62264.95644.95572.88113.10182.53182.43343.29142.92022.28142.50943.19741.2328

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.024 C1 C5 H7 110.929
C1 C5 C8 113.011 H2 C1 H3 107.556
H2 C1 H4 107.373 H2 C1 C5 111.278
H3 C1 H4 107.495 H3 C1 C5 111.248
H4 C1 C5 111.676 C5 C8 H9 111.010
C5 C8 H10 109.406 C5 C8 C14 112.094
H6 C5 H7 105.852 H6 C5 C8 109.060
H7 C5 C8 107.685 C8 C14 N11 115.030
C8 C14 O15 122.905 H9 C8 H10 106.162
H9 C8 C14 110.854 H10 C8 C14 107.053
N11 C14 O15 122.063 H12 N11 H13 118.908
H12 N11 C14 117.889 H13 N11 C14 122.442
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 -0.372      
2 H 0.119      
3 H 0.122      
4 H 0.115      
5 C -0.209      
6 H 0.120      
7 H 0.145      
8 C -0.293      
9 H 0.106      
10 H 0.143      
11 N -0.592      
12 H 0.275      
13 H 0.266      
14 C 0.527      
15 O -0.472      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.439 -3.400 -0.029 3.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.068 -6.016 -0.357
y -6.016 -38.235 -0.256
z -0.357 -0.256 -37.581
Traceless
 xyz
x 5.840 -6.016 -0.357
y -6.016 -3.411 -0.256
z -0.357 -0.256 -2.429
Polar
3z2-r2-4.858
x2-y26.167
xy-6.016
xz-0.357
yz-0.256


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.792 -0.421 -0.218
y -0.421 8.221 0.104
z -0.218 0.104 5.944


<r2> (average value of r2) Å2
<r2> 218.766
(<r2>)1/2 14.791