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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-287.755278
Energy at 298.15K-287.765582
Nuclear repulsion energy238.447436
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 B3PW91/cc-pVDZ
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 3596 33.94      
2 A 3583 3458 30.04      
3 A 3125 3015 32.19      
4 A 3122 3012 48.56      
5 A 3098 2990 1.21      
6 A 3066 2959 12.99      
7 A 3062 2955 16.55      
8 A 3035 2928 32.00      
9 A 3022 2916 16.80      
10 A 1811 1748 273.61      
11 A 1593 1537 122.27      
12 A 1479 1428 6.01      
13 A 1469 1418 7.00      
14 A 1461 1410 3.25      
15 A 1438 1388 5.00      
16 A 1414 1365 83.96      
17 A 1397 1348 4.44      
18 A 1348 1301 31.08      
19 A 1313 1267 5.20      
20 A 1247 1203 44.04      
21 A 1235 1191 0.92      
22 A 1140 1100 0.33      
23 A 1101 1062 1.00      
24 A 1088 1049 0.10      
25 A 1060 1023 2.69      
26 A 938 906 2.06      
27 A 883 852 0.59      
28 A 846 816 3.53      
29 A 751 724 7.80      
30 A 635 613 5.74      
31 A 620 599 15.30      
32 A 503 485 7.59      
33 A 431 416 1.48      
34 A 343 331 2.96      
35 A 248 239 1.07      
36 A 228 220 188.50      
37 A 179 173 9.09      
38 A 98 94 0.29      
39 A 23 22 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 28578.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 27578.5 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 B3PW91/cc-pVDZ
ABC
0.29165 0.06113 0.05214

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.730 -0.230 0.022
H2 2.873 -1.021 -0.733
H3 3.539 0.504 -0.111
H4 2.865 -0.694 1.014
C5 1.361 0.427 -0.105
H6 1.246 1.233 0.637
H7 1.264 0.918 -1.088
C8 0.213 -0.559 0.069
H9 0.299 -1.076 1.043
H10 0.257 -1.355 -0.697
N11 -2.210 -0.762 -0.086
H12 -3.141 -0.377 0.021
H13 -2.089 -1.756 0.054
C14 -1.157 0.105 0.019
O15 -1.315 1.313 0.054

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10301.10101.10311.52392.17202.16762.53842.76872.80954.96975.87235.05463.90074.3288
H21.10301.77681.77692.18613.09882.54492.81623.12772.63705.13096.09525.07754.25104.8586
H31.10101.77681.77692.17962.51912.50963.49643.78523.81665.88716.73896.06714.71434.9232
H41.10311.77691.77692.18452.54453.09502.81832.59403.18755.19316.09525.15634.21904.7347
C51.52392.18612.17962.18451.10141.10271.52322.16942.17763.76394.57454.08552.54092.8227
H62.17203.09882.51912.54451.10141.75322.14532.52873.07454.05614.71374.51652.72582.6278
H72.16762.54492.50963.09501.10271.75322.15083.07442.51673.98774.72384.43862.78362.8480
C82.53842.81623.49642.81831.52322.14532.15081.10671.10482.43673.35922.59461.52292.4166
H92.76873.12773.78522.59402.16942.52873.07441.10671.76282.76953.65602.67272.13623.0482
H102.80952.63703.81663.18752.17763.07452.51671.10481.76282.61043.60842.49622.15453.1865
N114.96975.13095.88715.19313.76394.05613.98772.43672.76952.61041.01291.01081.36842.2648
H125.87236.09526.73896.09524.57454.71374.72383.35923.65603.60841.01291.73472.04182.4886
H135.05465.07756.06715.15634.08554.51654.43862.59462.67272.49621.01081.73472.08153.1654
C143.90074.25104.71434.21902.54092.72582.78361.52292.13622.15451.36842.04182.08151.2194
O154.32884.85864.92324.73472.82272.62782.84802.41663.04823.18652.26482.48863.16541.2194

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.619 C1 C5 H7 110.196
C1 C5 C8 112.831 H2 C1 H3 107.442
H2 C1 H4 107.307 H2 C1 C5 111.644
H3 C1 H4 107.455 H3 C1 C5 111.251
H4 C1 C5 111.514 C5 C8 H9 110.151
C5 C8 H10 110.907 C5 C8 C14 113.056
H6 C5 H7 105.392 H6 C5 C8 108.584
H7 C5 C8 108.931 C8 C14 N11 114.760
C8 C14 O15 123.203 H9 C8 H10 105.704
H9 C8 C14 107.597 H10 C8 C14 109.112
N11 C14 O15 122.033 H12 N11 H13 118.008
H12 N11 C14 117.277 H13 N11 C14 121.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.075      
2 H 0.037      
3 H 0.041      
4 H 0.038      
5 C -0.089      
6 H 0.053      
7 H 0.045      
8 C -0.097      
9 H 0.058      
10 H 0.048      
11 N -0.125      
12 H 0.112      
13 H 0.104      
14 C 0.123      
15 O -0.273      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.402 -3.426 0.313 3.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.442 5.991 -0.827
y 5.991 -38.429 -0.557
z -0.827 -0.557 -37.416
Traceless
 xyz
x 5.481 5.991 -0.827
y 5.991 -3.500 -0.557
z -0.827 -0.557 -1.981
Polar
3z2-r2-3.961
x2-y25.987
xy5.991
xz-0.827
yz-0.557


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> 217.701
(<r2>)1/2 14.755