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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B3LYP/CEP-121G

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-121G
 hartrees
Energy at 0K-53.852276
Energy at 298.15K-53.862937
Nuclear repulsion energy131.934081
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-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3718 3623 15.56      
2 A 3558 3467 19.59      
3 A 3080 3002 83.24      
4 A 3069 2991 63.60      
5 A 3047 2970 7.36      
6 A 3035 2958 23.59      
7 A 2998 2922 39.16      
8 A 2988 2912 26.45      
9 A 2976 2900 39.51      
10 A 1668 1626 269.43      
11 A 1633 1591 95.06      
12 A 1533 1494 12.43      
13 A 1523 1484 8.57      
14 A 1518 1480 2.43      
15 A 1496 1458 8.59      
16 A 1433 1396 2.93      
17 A 1399 1363 75.46      
18 A 1365 1330 47.75      
19 A 1319 1286 22.43      
20 A 1293 1260 48.26      
21 A 1254 1222 15.42      
22 A 1138 1109 4.04      
23 A 1121 1092 7.11      
24 A 1069 1042 2.86      
25 A 1052 1025 2.42      
26 A 919 896 2.66      
27 A 890 868 1.82      
28 A 853 831 1.82      
29 A 758 739 8.22      
30 A 686 668 55.23      
31 A 602 587 65.02      
32 A 532 518 77.12      
33 A 493 481 124.12      
34 A 417 407 3.40      
35 A 332 323 1.81      
36 A 236 230 0.15      
37 A 185 180 6.60      
38 A 91 88 2.61      
39 A 43 42 5.66      

Unscaled Zero Point Vibrational Energy (zpe) 28660.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 27929.7 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-121G
ABC
0.27037 0.05925 0.05166

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.743 -0.170 0.016
H2 -2.926 -0.031 1.091
H3 -3.513 0.391 -0.530
H4 -2.881 -1.237 -0.212
C5 -1.324 0.315 -0.376
H6 -1.177 0.200 -1.460
H7 -1.209 1.383 -0.156
C8 -0.207 -0.460 0.377
H9 -0.240 -1.530 0.122
H10 -0.379 -0.381 1.462
N11 2.192 -0.794 -0.190
H12 3.127 -0.446 -0.359
H13 2.021 -1.789 -0.224
C14 1.189 0.122 0.095
O15 1.426 1.364 0.128

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09961.09821.09991.54932.18332.18982.57812.85002.77864.97805.88805.03703.94344.4438
H21.09961.77511.77652.19913.10182.55032.84433.22502.59745.33076.23815.41254.23674.6709
H31.09821.77511.77502.19512.52132.53623.53243.85013.79245.83626.69435.95554.75085.0767
H41.09991.77651.77502.20432.55473.10912.84702.67813.12965.09236.06184.93334.30225.0436
C51.54932.19912.19512.20431.10051.09691.55442.19652.18003.69154.51573.95472.56432.9867
H62.18333.10182.52132.55471.10051.76122.17982.52383.08373.73484.48903.96342.83243.2640
H72.18982.55032.53623.10911.09691.76122.16483.08232.53344.03814.71014.52752.72092.6504
C82.57812.84433.53242.84701.55442.17982.16481.10031.10102.48703.41382.66261.53822.4610
H92.85003.22503.85012.67812.19652.52383.08231.10031.77032.55983.56982.30222.18443.3395
H102.77862.59743.79243.12962.18003.08372.53341.10101.77033.08363.95133.25342.14002.8436
N114.97805.33075.83625.09233.69153.73484.03812.48702.55983.08361.01221.00961.38802.3122
H125.88806.23816.69436.06184.51574.48904.71013.41383.56983.95131.01221.74492.06982.5309
H135.03705.41255.95554.93333.95473.96344.52752.66262.30223.25341.00961.74492.10843.2279
C143.94344.23674.75084.30222.56432.83242.72091.53822.18442.14001.38802.06982.10841.2651
O154.44384.67095.07675.04362.98673.26402.65042.46103.33952.84362.31222.53093.22791.2651

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.810 C1 C5 H7 110.532
C1 C5 C8 112.337 H2 C1 H3 107.738
H2 C1 H4 107.742 H2 C1 C5 111.104
H3 C1 H4 107.712 H3 C1 C5 110.874
H4 C1 C5 111.501 C5 C8 H9 110.499
C5 C8 H10 109.172 C5 C8 C14 112.031
H6 C5 H7 106.552 H6 C5 C8 109.191
H7 C5 C8 108.237 C8 C14 N11 116.315
C8 C14 O15 122.481 H9 C8 H10 107.071
H9 C8 C14 110.677 H10 C8 C14 107.200
N11 C14 O15 121.202 H12 N11 H13 119.318
H12 N11 C14 118.325 H13 N11 C14 122.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.478      
2 H 0.143      
3 H 0.153      
4 H 0.136      
5 C -0.214      
6 H 0.131      
7 H 0.172      
8 C -0.403      
9 H 0.118      
10 H 0.163      
11 N -0.498      
12 H 0.325      
13 H 0.315      
14 C 0.139      
15 O -0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.127 -4.086 -0.304 4.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.753 -7.522 -1.447
y -7.522 -40.294 0.064
z -1.447 0.064 -38.388
Traceless
 xyz
x 5.588 -7.522 -1.447
y -7.522 -4.224 0.064
z -1.447 0.064 -1.364
Polar
3z2-r2-2.729
x2-y26.541
xy-7.522
xz-1.447
yz0.064


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.815 -0.345 -0.285
y -0.345 8.728 0.124
z -0.285 0.124 6.651


<r2> (average value of r2) Å2
<r2> 181.389
(<r2>)1/2 13.468