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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-287.914694
Energy at 298.15K-287.925017
Nuclear repulsion energy238.352508
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/6-311G*
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 3727 3602 20.90      
2 A 3596 3475 22.41      
3 A 3099 2995 56.33      
4 A 3090 2986 51.04      
5 A 3069 2966 16.01      
6 A 3047 2944 24.49      
7 A 3035 2933 30.42      
8 A 3022 2920 32.65      
9 A 3011 2909 13.62      
10 A 1784 1724 301.39      
11 A 1654 1599 106.32      
12 A 1526 1475 8.75      
13 A 1519 1467 8.90      
14 A 1510 1459 2.81      
15 A 1483 1433 7.86      
16 A 1429 1381 2.06      
17 A 1418 1370 59.52      
18 A 1369 1323 33.03      
19 A 1333 1289 37.07      
20 A 1280 1236 52.45      
21 A 1263 1220 11.68      
22 A 1144 1105 1.18      
23 A 1126 1088 2.53      
24 A 1081 1045 1.94      
25 A 1052 1016 2.77      
26 A 929 898 2.66      
27 A 895 865 1.07      
28 A 846 818 3.58      
29 A 755 730 6.21      
30 A 675 652 7.08      
31 A 617 597 15.20      
32 A 522 504 6.59      
33 A 426 412 2.12      
34 A 343 331 2.50      
35 A 245 237 1.04      
36 A 208 201 227.42      
37 A 187 181 8.04      
38 A 90 87 1.38      
39 A 36 35 3.95      

Unscaled Zero Point Vibrational Energy (zpe) 28720.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 27752.2 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 B3LYP/6-311G*
ABC
0.28869 0.06071 0.05235

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.737 -0.200 0.039
H2 -2.884 -0.347 1.114
H3 -3.527 0.470 -0.310
H4 -2.889 -1.168 -0.448
C5 -1.352 0.376 -0.261
H6 -1.248 0.554 -1.337
H7 -1.230 1.351 0.216
C8 -0.216 -0.536 0.207
H9 -0.251 -1.498 -0.319
H10 -0.345 -0.768 1.273
N11 2.191 -0.770 -0.145
H12 3.130 -0.406 -0.161
H13 2.062 -1.767 -0.124
C14 1.161 0.108 0.052
O15 1.339 1.310 0.111

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09491.09331.09501.52912.16282.16892.54842.82702.75094.96375.87385.05093.90954.3465
H21.09491.76361.76502.18173.08152.53452.82383.21082.57865.24536.14785.29244.20624.6455
H31.09331.76361.76362.17752.50072.51543.49883.82163.76395.85296.71606.02314.71564.9555
H41.09501.76501.76362.18652.53963.08842.82372.66183.09815.10456.07414.99804.27564.9324
C51.52912.18172.17752.18651.09551.09241.53012.17372.16253.72524.55084.03312.54642.8726
H62.16283.08152.50072.53961.09551.74532.15402.49843.06243.87334.63414.22132.81673.0596
H72.16892.53452.51543.08841.09241.74532.14223.05902.52784.04084.71574.54672.69952.5712
C82.54842.82383.49882.82371.53012.15402.14221.09641.09842.44373.36902.61041.52812.4158
H92.82703.21083.82162.66182.17372.49843.05901.09641.75402.55383.55652.33702.17003.2550
H102.75092.57863.76393.09812.16253.06242.52781.09841.75402.90493.77652.95672.12682.9157
N114.96375.24535.85295.10453.72523.87334.04082.44372.55382.90491.00751.00531.36762.2621
H125.87386.14786.71606.07414.55084.63414.71573.36903.55653.77651.00751.73032.04642.4953
H135.05095.29246.02314.99804.03314.22134.54672.61042.33702.95671.00531.73032.08763.1693
C143.90954.20624.71564.27562.54642.81672.69951.52812.17002.12681.36762.04642.08761.2166
O154.34654.64554.95554.93242.87263.05962.57122.41583.25502.91572.26212.49533.16931.2166

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.882 C1 C5 H7 110.551
C1 C5 C8 112.820 H2 C1 H3 107.412
H2 C1 H4 107.409 H2 C1 C5 111.419
H3 C1 H4 107.396 H3 C1 C5 111.178
H4 C1 C5 111.798 C5 C8 H9 110.616
C5 C8 H10 109.625 C5 C8 C14 112.741
H6 C5 H7 105.823 H6 C5 C8 109.121
H7 C5 C8 108.388 C8 C14 N11 115.000
C8 C14 O15 122.927 H9 C8 H10 106.104
H9 C8 C14 110.466 H10 C8 C14 107.007
N11 C14 O15 122.071 H12 N11 H13 118.545
H12 N11 C14 118.200 H13 N11 C14 122.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.615     -0.357
2 H 0.202     0.084
3 H 0.212     0.078
4 H 0.198     0.074
5 C -0.399     0.329
6 H 0.207     -0.043
7 H 0.227     -0.035
8 C -0.522     -0.358
9 H 0.203     0.087
10 H 0.228     0.088
11 N -0.777     -1.005
12 H 0.347     0.433
13 H 0.347     0.411
14 C 0.505     0.781
15 O -0.365     -0.566


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.363 -3.553 -0.024 3.572
CHELPG        
AIM        
ESP 0.339 -3.577 -0.001 3.593


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.254 -6.363 -0.256
y -6.363 -39.268 -0.189
z -0.256 -0.189 -38.280
Traceless
 xyz
x 5.520 -6.363 -0.256
y -6.363 -3.502 -0.189
z -0.256 -0.189 -2.019
Polar
3z2-r2-4.037
x2-y26.015
xy-6.363
xz-0.256
yz-0.189


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.740 -0.369 -0.181
y -0.369 8.338 0.045
z -0.181 0.045 6.271


<r2> (average value of r2) Å2
<r2> 218.463
(<r2>)1/2 14.781