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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-286.125602
Energy at 298.15K-286.136263
Nuclear repulsion energy240.186352
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 HF/6-311G**
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 3957 3595 47.24      
2 A 3822 3473 51.05      
3 A 3240 2943 74.78      
4 A 3223 2928 64.40      
5 A 3200 2907 23.30      
6 A 3191 2899 11.13      
7 A 3184 2893 19.61      
8 A 3156 2867 38.13      
9 A 3151 2862 21.47      
10 A 1956 1777 402.62      
11 A 1773 1611 132.98      
12 A 1627 1478 6.21      
13 A 1616 1468 6.48      
14 A 1609 1462 1.85      
15 A 1589 1444 6.99      
16 A 1560 1417 66.47      
17 A 1536 1396 8.07      
18 A 1467 1333 57.76      
19 A 1436 1305 4.15      
20 A 1363 1239 107.58      
21 A 1358 1234 1.03      
22 A 1229 1117 1.90      
23 A 1217 1106 1.74      
24 A 1168 1061 6.03      
25 A 1113 1011 2.42      
26 A 991 900 2.79      
27 A 961 873 2.39      
28 A 910 827 1.19      
29 A 809 735 7.38      
30 A 678 616 11.50      
31 A 666 605 23.54      
32 A 536 487 5.73      
33 A 464 422 2.30      
34 A 366 333 4.07      
35 A 262 238 0.29      
36 A 228 207 248.80      
37 A 194 177 9.64      
38 A 105 96 0.81      
39 A 29 27 1.84      

Unscaled Zero Point Vibrational Energy (zpe) 30470.9 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 27682.8 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 HF/6-311G**
ABC
0.29885 0.06138 0.05248

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.726 -0.241 0.011
H2 -2.858 -0.729 0.973
H3 -3.528 0.482 -0.105
H4 -2.847 -0.995 -0.763
C5 -1.363 0.441 -0.084
H6 -1.269 0.950 -1.038
H7 -1.275 1.209 0.677
C8 -0.210 -0.546 0.071
H9 -0.258 -1.314 -0.698
H10 -0.283 -1.064 1.026
N11 2.200 -0.760 -0.078
H12 3.119 -0.391 0.007
H13 2.072 -1.736 0.039
C14 1.159 0.109 0.015
O15 1.321 1.290 0.044

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.08741.08551.08741.52732.15412.15602.53472.78272.77054.95415.84655.02513.90024.3270
H21.08741.75411.75622.17333.06432.51942.80323.14502.59685.16626.06355.11724.21334.7334
H31.08551.75411.75422.16612.48872.49323.47773.77733.76795.86146.70496.02454.70314.9186
H41.08741.75621.75422.17462.52003.06612.80172.60913.12725.09906.04565.03834.22734.8217
C51.52732.17332.16612.17461.08561.08411.52512.16312.15943.75984.55894.06802.54492.8176
H62.15413.06432.48872.52001.08561.73462.14222.50343.04813.98544.70614.42002.77702.8279
H72.15602.51942.49323.06611.08411.73462.14003.04802.50404.06504.72404.50322.75152.6737
C82.53472.80323.47772.80171.52512.14222.14001.08801.08962.42453.33322.57381.51842.3910
H92.78273.14503.77732.60912.16312.50343.04801.08801.74242.59543.57132.47972.13133.1353
H102.77052.59683.76793.12722.15943.04812.50401.08961.74242.73493.61442.64052.11593.0134
N114.95415.16625.86145.09903.75983.98544.06502.42452.59542.73490.99340.99121.35972.2341
H125.84656.06356.70496.04564.55894.70614.72403.33323.57133.61440.99341.70432.02302.4619
H135.02515.11726.02455.03834.06804.42004.50322.57382.47972.64050.99121.70432.05863.1177
C143.90024.21334.70314.22732.54492.77702.75151.51842.13132.11591.35972.02302.05861.1927
O154.32704.73344.91864.82172.81762.82792.67372.39103.13533.01342.23412.46193.11771.1927

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.904 C1 C5 H7 110.147
C1 C5 C8 112.281 H2 C1 H3 107.659
H2 C1 H4 107.709 H2 C1 C5 111.331
H3 C1 H4 107.666 H3 C1 C5 110.864
H4 C1 C5 111.433 C5 C8 H9 110.633
C5 C8 H10 110.243 C5 C8 C14 113.474
H6 C5 H7 106.164 H6 C5 C8 109.119
H7 C5 C8 109.034 C8 C14 N11 114.677
C8 C14 O15 123.300 H9 C8 H10 106.290
H9 C8 C14 108.588 H10 C8 C14 107.308
N11 C14 O15 122.022 H12 N11 H13 118.363
H12 N11 C14 117.731 H13 N11 C14 121.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.237      
2 H 0.083      
3 H 0.097      
4 H 0.082      
5 C -0.178      
6 H 0.102      
7 H 0.111      
8 C -0.266      
9 H 0.114      
10 H 0.118      
11 N -0.535      
12 H 0.236      
13 H 0.227      
14 C 0.518      
15 O -0.474      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.053 -3.713 0.314 3.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.726 -6.321 0.818
y -6.321 -39.674 -0.539
z 0.818 -0.539 -37.920
Traceless
 xyz
x 5.071 -6.321 0.818
y -6.321 -3.851 -0.539
z 0.818 -0.539 -1.221
Polar
3z2-r2-2.442
x2-y25.948
xy-6.321
xz0.818
yz-0.539


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.647 -0.214 -0.027
y -0.214 7.857 0.004
z -0.027 0.004 6.001


<r2> (average value of r2) Å2
<r2> 216.819
(<r2>)1/2 14.725