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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-287.767989
Energy at 298.15K-287.778271
Nuclear repulsion energy239.057385
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 mPW1PW91/6-31G*
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 3771 3576 35.33      
2 A 3639 3451 35.87      
3 A 3154 2991 42.09      
4 A 3152 2989 39.48      
5 A 3129 2967 4.69      
6 A 3099 2939 18.21      
7 A 3087 2927 23.82      
8 A 3068 2909 28.62      
9 A 3056 2898 12.60      
10 A 1840 1745 283.42      
11 A 1656 1570 124.23      
12 A 1540 1461 6.41      
13 A 1533 1454 7.94      
14 A 1524 1445 3.07      
15 A 1499 1422 7.77      
16 A 1448 1373 60.58      
17 A 1444 1369 21.58      
18 A 1386 1314 36.14      
19 A 1341 1271 25.85      
20 A 1288 1221 38.73      
21 A 1269 1203 4.41      
22 A 1156 1096 0.72      
23 A 1135 1076 3.06      
24 A 1099 1042 0.97      
25 A 1076 1020 1.93      
26 A 948 899 2.70      
27 A 899 853 1.19      
28 A 863 818 3.46      
29 A 758 719 8.31      
30 A 676 641 7.66      
31 A 621 589 16.30      
32 A 521 494 6.23      
33 A 428 406 1.96      
34 A 345 327 2.89      
35 A 249 236 0.40      
36 A 186 176 8.36      
37 A 180 171 242.29      
38 A 90 85 1.15      
39 A 36 34 5.03      

Unscaled Zero Point Vibrational Energy (zpe) 29092.2 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 27588.2 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 mPW1PW91/6-31G*
ABC
0.28949 0.06136 0.05280

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.723 -0.202 0.034
H2 -2.869 -0.381 1.105
H3 -3.513 0.479 -0.298
H4 -2.871 -1.156 -0.483
C5 -1.344 0.380 -0.247
H6 -1.235 0.586 -1.317
H7 -1.220 1.342 0.259
C8 -0.215 -0.542 0.200
H9 -0.251 -1.493 -0.344
H10 -0.342 -0.791 1.263
N11 2.183 -0.765 -0.144
H12 3.121 -0.397 -0.146
H13 2.060 -1.763 -0.106
C14 1.153 0.105 0.050
O15 1.326 1.310 0.107

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09551.09391.09561.52322.15922.16652.53602.81472.74414.94215.85055.03303.88834.3227
H21.09551.76671.76712.17523.07782.53052.80773.19202.56505.21856.11945.25974.18614.6315
H31.09391.76671.76652.17192.49812.51253.48733.81193.75575.83256.69346.00944.69364.9263
H41.09561.76711.76652.17912.53163.08502.80982.64493.09515.08056.04934.98174.25034.9033
C51.52322.17522.17192.17911.09591.09351.52392.17112.15763.71004.53334.02432.52932.8490
H62.15923.07782.49812.53161.09591.74812.14832.49813.05863.85854.61684.22362.79343.0183
H72.16652.53052.51253.08501.09351.74812.13533.05632.51574.02314.69394.53072.68392.5506
C82.53602.80773.48732.80981.52392.14832.13531.09711.09902.43393.35792.60031.52112.4109
H92.81473.19203.81192.64492.17112.49813.05631.09711.75652.54883.55172.33842.16383.2478
H102.74412.56503.75573.09512.15763.05862.51571.09901.75652.89103.75962.93022.12352.9208
N114.94215.21855.83255.08053.71003.85854.02312.43392.54882.89101.00771.00571.36292.2593
H125.85056.11946.69346.04934.53334.61684.69393.35793.55173.75961.00771.73042.04082.4899
H135.03305.25976.00944.98174.02434.22364.53072.60032.33842.93021.00571.73042.08223.1660
C143.88834.18614.69364.25032.52932.79342.68391.52112.16382.12351.36292.04082.08221.2183
O154.32274.63154.92634.90332.84903.01832.55062.41093.24782.92082.25932.48993.16601.2183

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.985 C1 C5 H7 110.704
C1 C5 C8 112.665 H2 C1 H3 107.589
H2 C1 H4 107.506 H2 C1 C5 111.279
H3 C1 H4 107.567 H3 C1 C5 111.113
H4 C1 C5 111.587 C5 C8 H9 110.806
C5 C8 H10 109.630 C5 C8 C14 112.324
H6 C5 H7 105.960 H6 C5 C8 109.076
H7 C5 C8 108.208 C8 C14 N11 115.006
C8 C14 O15 122.928 H9 C8 H10 106.231
H9 C8 C14 110.420 H10 C8 C14 107.180
N11 C14 O15 122.064 H12 N11 H13 118.511
H12 N11 C14 118.057 H13 N11 C14 122.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.523      
2 H 0.168      
3 H 0.176      
4 H 0.165      
5 C -0.313      
6 H 0.174      
7 H 0.199      
8 C -0.430      
9 H 0.167      
10 H 0.196      
11 N -0.802      
12 H 0.362      
13 H 0.355      
14 C 0.620      
15 O -0.515      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.336 -3.551 0.058 3.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.098 -6.211 -0.114
y -6.211 -38.182 -0.322
z -0.114 -0.322 -37.398
Traceless
 xyz
x 5.692 -6.211 -0.114
y -6.211 -3.434 -0.322
z -0.114 -0.322 -2.258
Polar
3z2-r2-4.516
x2-y26.084
xy-6.211
xz-0.114
yz-0.322


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 216.121
(<r2>)1/2 14.701