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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-287.546687
Energy at 298.15K-287.556898
Nuclear repulsion energy237.510676
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 PBEPBE/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 3640 3602 15.26      
2 A 3506 3469 12.46      
3 A 3038 3006 50.30      
4 A 3036 3004 51.40      
5 A 3012 2981 4.44      
6 A 2984 2953 24.13      
7 A 2972 2941 31.33      
8 A 2960 2929 30.82      
9 A 2945 2914 15.69      
10 A 1735 1717 267.04      
11 A 1599 1583 101.75      
12 A 1476 1461 9.30      
13 A 1470 1455 9.94      
14 A 1460 1445 3.32      
15 A 1428 1413 8.65      
16 A 1379 1364 2.24      
17 A 1368 1354 70.46      
18 A 1326 1312 23.84      
19 A 1291 1277 40.98      
20 A 1236 1223 27.10      
21 A 1219 1207 7.79      
22 A 1110 1098 1.32      
23 A 1088 1077 2.27      
24 A 1054 1043 0.55      
25 A 1033 1023 2.71      
26 A 911 902 2.78      
27 A 864 855 0.89      
28 A 824 815 4.91      
29 A 732 724 6.13      
30 A 662 656 5.17      
31 A 601 595 13.31      
32 A 508 502 7.32      
33 A 412 408 2.15      
34 A 334 331 2.13      
35 A 244 242 1.09      
36 A 205 203 211.05      
37 A 183 181 8.32      
38 A 91 90 1.64      
39 A 45 45 4.05      

Unscaled Zero Point Vibrational Energy (zpe) 27990.1 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 27699.0 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 PBEPBE/6-311G*
ABC
0.28470 0.06056 0.05226

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.738 -0.188 0.047
H2 -2.881 -0.285 1.136
H3 -3.531 0.476 -0.331
H4 -2.905 -1.185 -0.395
C5 -1.350 0.357 -0.287
H6 -1.247 0.487 -1.379
H7 -1.209 1.360 0.146
C8 -0.218 -0.541 0.219
H9 -0.249 -1.527 -0.278
H10 -0.358 -0.738 1.299
N11 2.193 -0.771 -0.151
H12 3.139 -0.403 -0.170
H13 2.065 -1.776 -0.127
C14 1.160 0.108 0.057
O15 1.337 1.321 0.118

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10271.10101.10291.52922.17092.17842.55102.84492.74464.96955.88495.06233.90984.3468
H21.10271.77591.77672.18733.09682.54562.82863.23572.56815.25726.16075.31854.20104.6269
H31.10101.77591.77572.18502.51272.52993.50913.84493.76755.86086.72916.03584.72144.9616
H41.10291.77671.77572.19302.55143.10552.83082.68023.09115.12056.09825.01264.28974.9538
C51.52922.18732.18502.19301.10391.10121.53122.18242.16743.72044.55364.02982.54552.8832
H62.17093.09682.51272.55141.10391.75782.16062.50273.07563.86314.63564.20242.82873.1013
H72.17842.54562.52993.10551.10121.75782.14503.07192.54014.02534.70204.54212.68102.5469
C82.55102.82863.50912.83081.53122.16062.14501.10491.10692.44963.38152.61861.53152.4278
H92.84493.23573.84492.68022.18242.50273.07191.10491.76692.55983.57142.33302.18503.2844
H102.74462.56813.76753.09112.16743.07562.54011.10691.76692.93473.80752.99762.13592.9166
N114.96955.25725.86085.12053.72043.86314.02532.44962.55982.93471.01511.01331.37232.2761
H125.88496.16076.72916.09824.55364.63564.70203.38153.57143.80751.01511.74352.05592.5095
H135.06235.31856.03585.01264.02984.20244.54212.61862.33302.99761.01331.74352.09853.1907
C143.90984.20104.72144.28972.54552.82872.68101.53152.18502.13591.37232.05592.09851.2271
O154.34684.62694.96164.95382.88323.10132.54692.42783.28442.91662.27612.50953.19071.2271

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.019 C1 C5 H7 110.772
C1 C5 C8 112.936 H2 C1 H3 107.390
H2 C1 H4 107.324 H2 C1 C5 111.389
H3 C1 H4 107.360 H3 C1 C5 111.307
H4 C1 C5 111.833 C5 C8 H9 110.725
C5 C8 H10 109.443 C5 C8 C14 112.435
H6 C5 H7 105.715 H6 C5 C8 109.083
H7 C5 C8 108.037 C8 C14 N11 114.929
C8 C14 O15 122.929 H9 C8 H10 106.045
H9 C8 C14 110.909 H10 C8 C14 107.004
N11 C14 O15 122.141 H12 N11 H13 118.533
H12 N11 C14 118.118 H13 N11 C14 122.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.640      
2 H 0.212      
3 H 0.221      
4 H 0.208      
5 C -0.426      
6 H 0.216      
7 H 0.236      
8 C -0.544      
9 H 0.210      
10 H 0.237      
11 N -0.759      
12 H 0.343      
13 H 0.344      
14 C 0.478      
15 O -0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.472 -3.463 -0.034 3.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.948 -6.251 -0.289
y -6.251 -39.061 -0.187
z -0.289 -0.187 -38.362
Traceless
 xyz
x 5.763 -6.251 -0.289
y -6.251 -3.406 -0.187
z -0.289 -0.187 -2.357
Polar
3z2-r2-4.714
x2-y26.113
xy-6.251
xz-0.289
yz-0.187


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.371 -0.432 -0.219
y -0.432 8.650 0.048
z -0.219 0.048 6.456


<r2> (average value of r2) Å2
<r2> 219.052
(<r2>)1/2 14.800