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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-287.852650
Energy at 298.15K-287.863007
Nuclear repulsion energy239.442802
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 mPW1PW91/6-311G**
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 3775 3612 37.42      
2 A 3636 3479 35.80      
3 A 3129 2993 45.44      
4 A 3126 2991 40.92      
5 A 3102 2968 5.54      
6 A 3078 2945 17.67      
7 A 3065 2932 24.43      
8 A 3045 2913 29.58      
9 A 3036 2905 13.19      
10 A 1818 1739 309.30      
11 A 1629 1559 131.00      
12 A 1511 1446 8.83      
13 A 1502 1437 8.62      
14 A 1496 1431 2.90      
15 A 1467 1403 10.13      
16 A 1428 1366 83.17      
17 A 1416 1354 2.76      
18 A 1367 1308 35.34      
19 A 1327 1269 27.17      
20 A 1270 1215 35.41      
21 A 1253 1198 3.63      
22 A 1146 1096 0.71      
23 A 1121 1073 1.99      
24 A 1089 1042 0.70      
25 A 1066 1020 2.47      
26 A 941 900 2.75      
27 A 891 853 1.00      
28 A 855 818 3.58      
29 A 754 721 7.04      
30 A 673 644 5.84      
31 A 619 592 13.91      
32 A 522 499 6.05      
33 A 428 409 1.93      
34 A 344 329 2.82      
35 A 247 236 0.76      
36 A 209 200 202.78      
37 A 185 177 8.02      
38 A 89 85 1.17      
39 A 39 38 3.76      

Unscaled Zero Point Vibrational Energy (zpe) 28845.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 27596.8 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 mPW1PW91/6-311G**
ABC
0.29161 0.06143 0.05287

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.721 -0.202 0.044
H2 -2.855 -0.385 1.114
H3 -3.513 0.479 -0.275
H4 -2.875 -1.153 -0.474
C5 -1.346 0.380 -0.248
H6 -1.249 0.592 -1.317
H7 -1.215 1.337 0.261
C8 -0.214 -0.543 0.181
H9 -0.243 -1.483 -0.381
H10 -0.335 -0.812 1.237
N11 2.187 -0.761 -0.127
H12 3.121 -0.391 -0.139
H13 2.056 -1.755 -0.126
C14 1.153 0.107 0.047
O15 1.321 1.307 0.106

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09371.09201.09391.52192.15682.16412.53432.82192.73644.94275.84835.02673.88674.3146
H21.09371.76341.76442.17213.07332.52652.80603.20362.55865.20616.10615.24774.17694.6168
H31.09201.76341.76322.16972.49492.51043.48383.81473.74855.83486.69216.00254.69194.9186
H41.09391.76441.76322.17712.53003.08142.80792.65433.08165.08896.05394.98044.25284.8979
C51.52192.17212.16972.17711.09421.09181.52192.16872.15563.71404.53394.01832.53082.8447
H62.15683.07332.49492.53001.09421.74472.14522.48873.05443.87914.63114.22512.80413.0222
H72.16412.52652.51043.08141.09181.74472.13193.05132.51954.01594.68504.51852.67742.5408
C82.53432.80603.48382.80791.52192.14522.13191.09531.09732.42993.35352.59161.51942.4044
H92.82193.20363.81472.65432.16872.48873.05131.09531.75432.54763.54552.32962.15893.2349
H102.73642.55863.74853.08162.15563.05442.51951.09731.75432.86833.74422.91022.11612.9176
N114.94275.20615.83485.08893.71403.87914.01592.42992.54762.86831.00521.00281.36102.2539
H125.84836.10616.69216.05394.53394.63114.68503.35353.54553.74421.00521.73112.03842.4864
H135.02675.24776.00254.98044.01834.22514.51852.59162.32962.91021.00281.73112.07703.1577
C143.88674.17694.69194.25282.53082.80412.67741.51942.15892.11611.36102.03842.07701.2127
O154.31464.61684.91864.89792.84473.02222.54082.40443.23492.91762.25392.48643.15771.2127

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 110.716
C1 C5 C8 112.738 H2 C1 H3 107.566
H2 C1 H4 107.521 H2 C1 C5 111.235
H3 C1 H4 107.536 H3 C1 C5 111.152
H4 C1 C5 111.628 C5 C8 H9 110.861
C5 C8 H10 109.704 C5 C8 C14 112.633
H6 C5 H7 105.900 H6 C5 C8 109.069
H7 C5 C8 108.181 C8 C14 N11 114.932
C8 C14 O15 122.901 H9 C8 H10 106.279
H9 C8 C14 110.262 H10 C8 C14 106.825
N11 C14 O15 122.161 H12 N11 H13 119.102
H12 N11 C14 118.183 H13 N11 C14 122.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.331      
2 H 0.117      
3 H 0.126      
4 H 0.113      
5 C -0.270      
6 H 0.131      
7 H 0.152      
8 C -0.312      
9 H 0.129      
10 H 0.154      
11 N -0.485      
12 H 0.237      
13 H 0.231      
14 C 0.387      
15 O -0.380      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.333 -3.563 -0.060 3.579
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.662 -6.223 -0.317
y -6.223 -38.836 -0.165
z -0.317 -0.165 -37.770
Traceless
 xyz
x 5.640 -6.223 -0.317
y -6.223 -3.620 -0.165
z -0.317 -0.165 -2.020
Polar
3z2-r2-4.040
x2-y26.174
xy-6.223
xz-0.317
yz-0.165


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.710 -0.351 -0.153
y -0.351 8.320 0.036
z -0.153 0.036 6.298


<r2> (average value of r2) Å2
<r2> 216.104
(<r2>)1/2 14.700