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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-287.857249
Energy at 298.15K-287.867471
Nuclear repulsion energy238.106692
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 3746 3599 30.71      
2 A 3604 3463 30.73      
3 A 3116 2994 47.87      
4 A 3113 2991 40.97      
5 A 3091 2970 6.97      
6 A 3063 2943 21.22      
7 A 3050 2930 26.73      
8 A 3036 2917 27.53      
9 A 3022 2904 12.77      
10 A 1802 1731 268.23      
11 A 1624 1560 116.69      
12 A 1523 1464 4.52      
13 A 1514 1455 5.77      
14 A 1507 1448 2.07      
15 A 1481 1423 5.41      
16 A 1429 1373 1.79      
17 A 1420 1364 62.43      
18 A 1368 1314 32.10      
19 A 1325 1273 30.54      
20 A 1274 1224 52.68      
21 A 1256 1207 6.86      
22 A 1139 1094 0.63      
23 A 1121 1077 2.80      
24 A 1076 1034 1.19      
25 A 1053 1012 2.35      
26 A 929 893 2.10      
27 A 890 855 0.99      
28 A 847 814 3.56      
29 A 754 724 6.14      
30 A 673 646 8.00      
31 A 613 589 14.45      
32 A 519 499 6.20      
33 A 425 409 1.99      
34 A 342 329 2.66      
35 A 248 239 0.19      
36 A 187 180 7.71      
37 A 145 140 214.88      
38 A 91 88 2.05      
39 A 42 41 4.42      

Unscaled Zero Point Vibrational Energy (zpe) 28728.2 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 27602.1 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
0.28731 0.06069 0.05235

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 -2.738 -0.195 0.038
H2 -2.886 -0.327 1.116
H3 -3.524 0.475 -0.324
H4 -2.892 -1.171 -0.437
C5 -1.349 0.369 -0.269
H6 -1.241 0.529 -1.348
H7 -1.220 1.351 0.196
C8 -0.216 -0.540 0.218
H9 -0.248 -1.511 -0.292
H10 -0.348 -0.751 1.290
N11 2.192 -0.769 -0.147
H12 3.129 -0.397 -0.178
H13 2.064 -1.767 -0.142
C14 1.159 0.106 0.054
O15 1.336 1.314 0.112

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09621.09451.09631.53012.16482.17272.55172.83582.75524.96685.87445.05623.90914.3456
H21.09621.76771.76782.18213.08372.53672.82423.21602.57915.25086.15245.30624.20424.6393
H31.09451.76771.76732.17832.50272.51933.50233.83153.76805.85276.71156.02414.71334.9516
H41.09631.76781.76732.18642.53903.09162.82602.66953.10355.10786.07575.00014.27584.9351
C51.53012.18212.17832.18641.09691.09411.53172.17902.16443.72154.54394.02862.54282.8722
H62.16483.08372.50272.53901.09691.74972.15582.50313.06523.86224.61804.20172.81233.0649
H72.17272.53672.51933.09161.09411.74972.14083.06202.52474.03174.70194.54142.68942.5579
C82.55172.82423.50232.82601.53172.15582.14081.09771.09962.44663.37162.61471.52842.4205
H92.83583.21603.83152.66952.17902.50313.06201.09771.75782.55433.55772.33092.17123.2643
H102.75522.57913.76803.10352.16443.06522.52471.09961.75782.91753.78982.98302.12832.9127
N114.96685.25085.85275.10783.72153.86224.03172.44662.55432.91751.00871.00651.36822.2670
H125.87446.15246.71156.07574.54394.61804.70193.37163.55773.78981.00871.73612.04582.4950
H135.05625.30626.02415.00014.02864.20174.54142.61472.33092.98301.00651.73612.08933.1766
C143.90914.20424.71334.27582.54282.81232.68941.52842.17122.12831.36822.04582.08931.2228
O154.34564.63934.95164.93512.87223.06492.55792.42053.26432.91272.26702.49503.17661.2228

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.887 C1 C5 H7 110.672
C1 C5 C8 112.891 H2 C1 H3 107.588
H2 C1 H4 107.471 H2 C1 C5 111.298
H3 C1 H4 107.545 H3 C1 C5 111.097
H4 C1 C5 111.638 C5 C8 H9 110.852
C5 C8 H10 109.587 C5 C8 C14 112.395
H6 C5 H7 105.986 H6 C5 C8 109.074
H7 C5 C8 108.075 C8 C14 N11 115.159
C8 C14 O15 122.851 H9 C8 H10 106.249
H9 C8 C14 110.465 H10 C8 C14 107.033
N11 C14 O15 121.985 H12 N11 H13 118.975
H12 N11 C14 118.004 H13 N11 C14 122.513
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 -0.323      
2 H 0.102      
3 H 0.105      
4 H 0.098      
5 C -0.169      
6 H 0.102      
7 H 0.129      
8 C -0.256      
9 H 0.092      
10 H 0.127      
11 N -0.612      
12 H 0.275      
13 H 0.265      
14 C 0.571      
15 O -0.506      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.324 -3.501 -0.050 3.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.424 -6.150 -0.421
y -6.150 -38.492 -0.213
z -0.421 -0.213 -37.533
Traceless
 xyz
x 5.589 -6.150 -0.421
y -6.150 -3.514 -0.213
z -0.421 -0.213 -2.075
Polar
3z2-r2-4.150
x2-y26.068
xy-6.150
xz-0.421
yz-0.213


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.244 -0.366 -0.195
y -0.366 7.962 0.100
z -0.195 0.100 5.811


<r2> (average value of r2) Å2
<r2> 218.065
(<r2>)1/2 14.767