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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B3LYP/CEP-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/CEP-31G*
 hartrees
Energy at 0K-53.915132
Energy at 298.15K-53.925409
Nuclear repulsion energy132.272570
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/CEP-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 3705 3578 24.15      
2 A 3572 3449 27.01      
3 A 3123 3016 84.92      
4 A 3106 2999 61.11      
5 A 3090 2984 11.66      
6 A 3075 2969 28.37      
7 A 3055 2950 28.75      
8 A 3035 2931 37.83      
9 A 3032 2928 18.07      
10 A 1771 1710 315.38      
11 A 1621 1565 98.51      
12 A 1507 1456 8.44      
13 A 1500 1449 8.38      
14 A 1492 1441 2.39      
15 A 1468 1418 8.58      
16 A 1416 1367 18.39      
17 A 1405 1357 50.13      
18 A 1347 1300 28.80      
19 A 1309 1264 32.40      
20 A 1255 1212 48.84      
21 A 1238 1196 25.16      
22 A 1124 1085 1.66      
23 A 1102 1064 3.45      
24 A 1059 1022 2.50      
25 A 1040 1004 3.85      
26 A 916 885 3.49      
27 A 866 836 0.85      
28 A 842 813 1.74      
29 A 731 706 8.14      
30 A 654 632 4.18      
31 A 602 581 24.35      
32 A 507 489 9.72      
33 A 413 398 1.69      
34 A 332 320 2.43      
35 A 284 274 236.11      
36 A 241 233 1.63      
37 A 181 175 8.68      
38 A 92 88 1.43      
39 A 35 34 4.52      

Unscaled Zero Point Vibrational Energy (zpe) 28569.5 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 27589.5 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/CEP-31G*
ABC
0.27745 0.05951 0.05157

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.738 -0.196 0.025
H2 -2.897 -0.243 1.118
H3 -3.535 0.436 -0.404
H4 -2.867 -1.218 -0.377
C5 -1.338 0.372 -0.311
H6 -1.211 0.439 -1.406
H7 -1.231 1.396 0.082
C8 -0.203 -0.500 0.280
H9 -0.231 -1.520 -0.144
H10 -0.347 -0.601 1.373
N11 2.211 -0.768 -0.212
H12 3.162 -0.405 -0.180
H13 2.081 -1.766 -0.070
C14 1.189 0.132 0.071
O15 1.397 1.348 0.135

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10561.10391.10561.54772.18712.19302.56602.83992.77484.98795.90765.06923.94114.4150
H21.10561.78451.78512.20193.11102.55642.83273.21362.58755.30446.19865.33934.23434.6831
H31.10391.78451.78432.19982.53112.54253.52793.84833.79425.87436.75366.04154.75765.0440
H41.10561.78511.78432.20692.55883.11772.83602.66283.12965.10076.08694.98744.29805.0023
C51.54772.20192.19982.20691.10491.10171.54862.19882.18243.72944.56894.03992.56722.9375
H62.18713.11102.53112.55881.10491.76912.17732.52833.09033.82024.61964.18132.83493.1620
H72.19302.55642.54253.11771.10171.76912.16633.09152.53714.07704.75564.58202.73092.6289
C82.56602.83273.52792.83601.54862.17732.16631.10511.10692.47853.39792.63471.54292.4485
H92.83993.21363.84832.66282.19882.52833.09151.10511.77762.55693.57262.32652.18933.3099
H102.77482.58753.79423.12962.18243.09032.53711.10691.77763.01403.84233.05532.14212.8929
N114.98795.30445.87435.10073.72943.82024.07702.47852.55693.01401.01861.01661.39092.2938
H125.90766.19866.75366.08694.56894.61964.75563.39793.57263.84231.01861.74222.06022.5077
H135.06925.33936.04154.98744.03994.18134.58202.63472.32653.05531.01661.74222.10173.1951
C143.94114.23434.75764.29802.56722.83492.73091.54292.18932.14211.39092.06022.10171.2356
O154.41504.68315.04405.00232.93753.16202.62892.44853.30992.89292.29382.50773.19511.2356

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.952 C1 C5 H7 110.606
C1 C5 C8 111.935 H2 C1 H3 107.733
H2 C1 H4 107.659 H2 C1 C5 111.077
H3 C1 H4 107.718 H3 C1 C5 111.011
H4 C1 C5 111.470 C5 C8 H9 110.790
C5 C8 H10 109.414 C5 C8 C14 112.280
H6 C5 H7 106.588 H6 C5 C8 109.131
H7 C5 C8 108.467 C8 C14 N11 115.204
C8 C14 O15 123.210 H9 C8 H10 106.952
H9 C8 C14 110.448 H10 C8 C14 106.729
N11 C14 O15 121.582 H12 N11 H13 117.745
H12 N11 C14 116.685 H13 N11 C14 120.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.431      
2 H 0.129      
3 H 0.181      
4 H 0.128      
5 C -0.233      
6 H 0.127      
7 H 0.169      
8 C -0.296      
9 H 0.129      
10 H 0.138      
11 N -0.370      
12 H 0.325      
13 H 0.313      
14 C -0.173      
15 O -0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.062 -3.702 0.241 3.711
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.709 -6.782 0.290
y -6.782 -38.710 -0.604
z 0.290 -0.604 -37.669
Traceless
 xyz
x 5.481 -6.782 0.290
y -6.782 -3.521 -0.604
z 0.290 -0.604 -1.960
Polar
3z2-r2-3.919
x2-y26.002
xy-6.782
xz0.290
yz-0.604


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.603 -0.232 -0.223
y -0.232 8.002 0.066
z -0.223 0.066 5.986


<r2> (average value of r2) Å2
<r2> 180.424
(<r2>)1/2 13.432