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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-287.784127
Energy at 298.15K-287.794404
Nuclear repulsion energy239.178800
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 3800 3616 40.04      
2 A 3654 3477 38.10      
3 A 3153 3000 35.05      
4 A 3151 2998 42.42      
5 A 3128 2976 3.81      
6 A 3098 2948 17.29      
7 A 3084 2934 23.14      
8 A 3063 2915 28.28      
9 A 3053 2905 13.34      
10 A 1837 1748 282.73      
11 A 1635 1555 136.49      
12 A 1523 1450 6.15      
13 A 1516 1442 7.44      
14 A 1508 1435 2.92      
15 A 1481 1409 8.47      
16 A 1440 1370 77.43      
17 A 1429 1360 5.39      
18 A 1376 1309 31.94      
19 A 1331 1266 26.56      
20 A 1276 1214 34.54      
21 A 1258 1197 3.20      
22 A 1149 1093 0.58      
23 A 1125 1071 2.72      
24 A 1092 1039 1.20      
25 A 1070 1018 1.75      
26 A 944 898 2.68      
27 A 893 850 1.10      
28 A 858 817 3.58      
29 A 755 718 8.14      
30 A 675 643 7.77      
31 A 617 587 13.71      
32 A 522 497 6.92      
33 A 428 407 2.17      
34 A 345 328 2.88      
35 A 249 237 0.21      
36 A 186 177 7.92      
37 A 165 157 225.89      
38 A 90 86 1.49      
39 A 41 39 3.99      

Unscaled Zero Point Vibrational Energy (zpe) 28998.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 27591.8 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
0.29029 0.06139 0.05283

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 -0.199 0.040
H2 -2.863 -0.373 1.111
H3 -3.511 0.481 -0.290
H4 -2.877 -1.155 -0.471
C5 -1.343 0.376 -0.251
H6 -1.240 0.579 -1.322
H7 -1.211 1.339 0.250
C8 -0.215 -0.546 0.193
H9 -0.247 -1.495 -0.354
H10 -0.340 -0.799 1.254
N11 2.188 -0.761 -0.130
H12 3.120 -0.385 -0.161
H13 2.062 -1.757 -0.146
C14 1.153 0.104 0.049
O15 1.320 1.310 0.107

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09451.09281.09461.52272.15842.16672.53662.82232.74114.94545.84895.03513.88714.3159
H21.09451.76471.76512.17403.07602.53022.80843.20182.56315.21546.11665.26784.18114.6197
H31.09281.76471.76442.17112.49702.51353.48683.81713.75305.83536.68896.00764.69154.9182
H41.09461.76511.76442.17832.53163.08432.81072.65463.08885.09126.05374.98574.25344.9015
C51.52272.17402.17112.17831.09521.09291.52342.17162.15733.71174.52844.01942.52832.8449
H62.15843.07602.49702.53161.09521.74622.14732.49493.05713.86864.61334.21172.79773.0216
H72.16672.53022.51353.08431.09291.74622.13263.05402.51804.01354.67964.52262.67422.5356
C82.53662.80843.48682.81071.52342.14732.13261.09641.09822.43343.35692.60081.52062.4096
H92.82233.20183.81712.65462.17162.49493.05401.09641.75482.55243.55002.33252.16303.2460
H102.74112.56313.75303.08882.15733.05712.51801.09821.75482.88173.76062.94032.12052.9190
N114.94545.21545.83535.09123.71173.86864.01352.43342.55242.88171.00571.00361.36142.2582
H125.84896.11666.68896.05374.52844.61334.67963.35693.55003.76061.00571.73262.03812.4866
H135.03515.26786.00764.98574.01944.21174.52262.60082.33252.94031.00361.73262.08083.1655
C143.88714.18114.69154.25342.52832.79772.67421.52062.16302.12051.36142.03812.08081.2185
O154.31594.61974.91824.90152.84493.02162.53562.40963.24602.91902.25822.48663.16551.2185

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.000 C1 C5 H7 110.796
C1 C5 C8 112.761 H2 C1 H3 107.569
H2 C1 H4 107.468 H2 C1 C5 111.284
H3 C1 H4 107.537 H3 C1 C5 111.155
H4 C1 C5 111.622 C5 C8 H9 110.921
C5 C8 H10 109.683 C5 C8 C14 112.317
H6 C5 H7 105.885 H6 C5 C8 109.076
H7 C5 C8 108.067 C8 C14 N11 115.096
C8 C14 O15 122.828 H9 C8 H10 106.191
H9 C8 C14 110.438 H10 C8 C14 107.030
N11 C14 O15 122.069 H12 N11 H13 119.153
H12 N11 C14 118.078 H13 N11 C14 122.527
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 -0.402      
2 H 0.129      
3 H 0.135      
4 H 0.126      
5 C -0.240      
6 H 0.136      
7 H 0.162      
8 C -0.332      
9 H 0.126      
10 H 0.160      
11 N -0.663      
12 H 0.298      
13 H 0.288      
14 C 0.594      
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
  0.343 -3.550 -0.088 3.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.035 -6.143 -0.491
y -6.143 -38.194 -0.143
z -0.491 -0.143 -37.319
Traceless
 xyz
x 5.721 -6.143 -0.491
y -6.143 -3.517 -0.143
z -0.491 -0.143 -2.204
Polar
3z2-r2-4.408
x2-y26.158
xy-6.143
xz-0.491
yz-0.143


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> 215.954
(<r2>)1/2 14.695