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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: PBEPBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-287.507636
Energy at 298.15K-287.517805
Nuclear repulsion energy236.906409
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/6-31+G**
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 3657 3616 30.72      
2 A 3513 3473 22.92      
3 A 3054 3019 33.20      
4 A 3050 3015 48.11      
5 A 3028 2994 0.76      
6 A 3002 2968 15.94      
7 A 2981 2947 31.12      
8 A 2969 2935 31.42      
9 A 2959 2925 14.92      
10 A 1716 1697 315.84      
11 A 1569 1551 109.74      
12 A 1462 1445 9.05      
13 A 1456 1439 10.15      
14 A 1449 1432 2.50      
15 A 1419 1403 9.74      
16 A 1370 1354 2.38      
17 A 1361 1345 80.09      
18 A 1317 1302 25.08      
19 A 1274 1259 31.24      
20 A 1228 1214 32.38      
21 A 1206 1193 9.29      
22 A 1099 1086 1.07      
23 A 1081 1069 2.87      
24 A 1043 1031 0.93      
25 A 1023 1011 3.90      
26 A 907 897 2.60      
27 A 856 847 0.98      
28 A 829 820 3.51      
29 A 729 721 4.47      
30 A 664 656 3.17      
31 A 591 584 9.91      
32 A 513 507 8.69      
33 A 413 409 2.50      
34 A 331 327 1.46      
35 A 241 238 0.59      
36 A 201 199 186.90      
37 A 180 178 15.51      
38 A 93 92 2.17      
39 A 40 39 5.06      

Unscaled Zero Point Vibrational Energy (zpe) 27935.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 27617.4 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/6-31+G**
ABC
0.27926 0.06024 0.05233

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.743 -0.177 0.030
H2 -2.910 -0.137 1.121
H3 -3.526 0.434 -0.448
H4 -2.894 -1.222 -0.292
C5 -1.344 0.332 -0.335
H6 -1.214 0.320 -1.433
H7 -1.218 1.382 -0.022
C8 -0.225 -0.497 0.313
H9 -0.267 -1.547 -0.034
H10 -0.375 -0.522 1.409
N11 2.165 -0.800 -0.179
H12 3.114 -0.451 -0.287
H13 2.005 -1.802 -0.201
C14 1.162 0.105 0.074
O15 1.379 1.321 0.119

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10421.10261.10441.53262.17402.18112.55442.83072.76214.95205.87235.02373.91504.3863
H21.10421.78041.78132.18963.10022.54562.82793.21062.58065.28126.19505.35514.21154.6399
H31.10261.78041.78002.18742.51582.53133.51383.83663.78115.82986.70115.97114.72835.0167
H41.10441.78131.78002.19492.55003.10842.83112.65943.11895.07766.05724.93354.28244.9888
C51.53262.18962.18742.19491.10551.10311.53612.18632.17083.69054.52683.97332.54902.9324
H62.17403.10022.51582.55001.10551.76592.16612.51773.08083.77404.54304.04742.82123.1830
H72.18112.54562.53133.10841.10311.76592.15163.07922.52714.02894.71154.53402.70262.6015
C82.55442.82793.51382.83111.53612.16612.15161.10611.10752.45853.39262.63381.52972.4313
H92.83073.21063.83662.65942.18632.51773.07921.10611.77302.54803.56322.29202.18593.3093
H102.76212.58063.78113.11892.17083.08082.52711.10751.77303.00883.88053.14542.13022.8526
N114.95205.28125.82985.07763.69053.77404.02892.45852.54803.00881.01711.01501.37452.2811
H125.87236.19506.70116.05724.52684.54304.71153.39263.56323.88051.01711.75052.06202.5128
H135.02375.35515.97114.93353.97334.04744.53402.63382.29203.14541.01501.75052.10283.2007
C143.91504.21154.72834.28242.54902.82122.70261.52972.18592.13021.37452.06202.10281.2360
O154.38634.63995.01674.98882.93243.18302.60152.43133.30932.85262.28112.51283.20071.2360

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.932 C1 C5 H7 110.635
C1 C5 C8 112.690 H2 C1 H3 107.565
H2 C1 H4 107.512 H2 C1 C5 111.236
H3 C1 H4 107.515 H3 C1 C5 111.158
H4 C1 C5 111.651 C5 C8 H9 110.621
C5 C8 H10 109.327 C5 C8 C14 112.492
H6 C5 H7 106.173 H6 C5 C8 109.082
H7 C5 C8 108.099 C8 C14 N11 115.563
C8 C14 O15 122.711 H9 C8 H10 106.441
H9 C8 C14 111.032 H10 C8 C14 106.655
N11 C14 O15 121.721 H12 N11 H13 118.949
H12 N11 C14 118.354 H13 N11 C14 122.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.657      
2 H 0.169      
3 H 0.173      
4 H 0.165      
5 C -0.174      
6 H 0.171      
7 H 0.203      
8 C -0.363      
9 H 0.149      
10 H 0.196      
11 N -0.529      
12 H 0.323      
13 H 0.297      
14 C 0.356      
15 O -0.478      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.032 -3.666 -0.214 3.672
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.012 -6.716 -0.971
y -6.716 -39.901 0.040
z -0.971 0.040 -38.864
Traceless
 xyz
x 5.371 -6.716 -0.971
y -6.716 -3.464 0.040
z -0.971 0.040 -1.908
Polar
3z2-r2-3.816
x2-y25.890
xy-6.716
xz-0.971
yz0.040


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.209 -0.355 -0.298
y -0.355 9.545 0.014
z -0.298 0.014 7.477


<r2> (average value of r2) Å2
<r2> 220.049
(<r2>)1/2 14.834