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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-287.736292
Energy at 298.15K-287.746463
Nuclear repulsion energy236.441836
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 BLYP/6-31G(2df,p)
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 3615 3595 17.40      
2 A 3481 3462 15.26      
3 A 3025 3008 48.81      
4 A 3022 3006 44.90      
5 A 3000 2983 3.24      
6 A 2972 2956 21.67      
7 A 2960 2944 34.62      
8 A 2953 2937 22.26      
9 A 2933 2917 11.58      
10 A 1721 1712 219.91      
11 A 1569 1560 77.95      
12 A 1474 1465 2.94      
13 A 1464 1456 4.35      
14 A 1455 1447 1.69      
15 A 1427 1419 3.55      
16 A 1378 1370 1.06      
17 A 1349 1342 43.19      
18 A 1318 1311 20.97      
19 A 1279 1272 38.29      
20 A 1231 1225 58.80      
21 A 1215 1209 14.60      
22 A 1101 1095 1.22      
23 A 1081 1075 2.10      
24 A 1035 1030 1.54      
25 A 1014 1009 4.00      
26 A 896 891 1.76      
27 A 861 856 0.82      
28 A 811 807 4.39      
29 A 732 728 3.75      
30 A 649 645 4.08      
31 A 597 593 15.18      
32 A 502 499 4.55      
33 A 410 408 1.60      
34 A 330 329 2.05      
35 A 243 242 0.71      
36 A 208 207 169.70      
37 A 181 180 7.43      
38 A 89 89 1.42      
39 A 44 43 3.66      

Unscaled Zero Point Vibrational Energy (zpe) 27812.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 27659.2 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 BLYP/6-31G(2df,p)
ABC
0.28251 0.05979 0.05169

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.759 -0.187 0.045
H2 -2.903 -0.273 1.135
H3 -3.545 0.478 -0.345
H4 -2.923 -1.187 -0.390
C5 -1.357 0.356 -0.293
H6 -1.253 0.471 -1.385
H7 -1.217 1.362 0.133
C8 -0.218 -0.543 0.231
H9 -0.242 -1.534 -0.254
H10 -0.359 -0.725 1.313
N11 2.202 -0.775 -0.171
H12 3.149 -0.409 -0.155
H13 2.076 -1.777 -0.088
C14 1.168 0.111 0.061
O15 1.350 1.324 0.121

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10291.10131.10301.54062.17862.18752.57272.87062.76724.99965.91505.09143.93784.3779
H21.10291.77901.77822.19643.10312.55392.84673.25662.59055.29326.18955.34364.22794.6545
H31.10131.77901.77832.19212.51772.53603.52813.86953.78805.88436.75536.06244.74474.9891
H41.10301.77821.77832.20102.55543.11202.84982.70743.11325.14596.12615.04324.31564.9822
C51.54062.19642.19212.20101.10381.10091.54322.19562.17803.73604.57264.04732.56132.9040
H62.17863.10312.51772.55541.10381.76062.17082.51473.08413.86764.65444.22132.84263.1255
H72.18752.55392.53603.11201.10091.76062.15343.08052.54644.04254.71984.55472.69382.5664
C82.57272.84673.52812.84981.54322.17082.15341.10401.10652.46323.39102.62411.54132.4398
H92.87063.25663.86952.70742.19562.51473.08051.10401.76822.55983.57362.33642.18913.2927
H102.76722.59053.78803.11322.17803.08412.54641.10651.76822.96013.81553.00012.14412.9217
N114.99965.29325.88435.14593.73603.86764.04252.46322.55982.96011.01551.01341.38082.2837
H125.91506.18956.75536.12614.57264.65444.71983.39103.57363.81551.01551.73932.05942.5134
H135.09145.34366.06245.04324.04734.22134.55472.62412.33643.00011.01341.73932.10023.1916
C143.93784.22794.74474.31562.56132.84262.69381.54132.18912.14411.38082.05942.10021.2280
O154.37794.65454.98914.98222.90403.12552.56642.43983.29272.92172.28372.51343.19161.2280

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.843 C1 C5 H7 110.715
C1 C5 C8 113.078 H2 C1 H3 107.626
H2 C1 H4 107.437 H2 C1 C5 111.298
H3 C1 H4 107.561 H3 C1 C5 111.057
H4 C1 C5 111.660 C5 C8 H9 110.986
C5 C8 H10 109.465 C5 C8 C14 112.278
H6 C5 H7 105.986 H6 C5 C8 109.065
H7 C5 C8 107.885 C8 C14 N11 114.797
C8 C14 O15 123.131 H9 C8 H10 106.239
H9 C8 C14 110.607 H10 C8 C14 107.002
N11 C14 O15 122.071 H12 N11 H13 118.027
H12 N11 C14 117.694 H13 N11 C14 121.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.349      
2 H 0.099      
3 H 0.099      
4 H 0.095      
5 C -0.108      
6 H 0.084      
7 H 0.109      
8 C -0.253      
9 H 0.076      
10 H 0.106      
11 N -0.468      
12 H 0.237      
13 H 0.234      
14 C 0.358      
15 O -0.320      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.374 -3.272 0.079 3.294
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.734 -5.911 0.014
y -5.911 -38.531 -0.412
z 0.014 -0.412 -37.596
Traceless
 xyz
x 5.329 -5.911 0.014
y -5.911 -3.366 -0.412
z 0.014 -0.412 -1.963
Polar
3z2-r2-3.926
x2-y25.796
xy-5.911
xz0.014
yz-0.412


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.257 -0.403 -0.211
y -0.403 8.375 0.072
z -0.211 0.072 6.295


<r2> (average value of r2) Å2
<r2> 220.883
(<r2>)1/2 14.862