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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B3PW91/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-287.845920
Energy at 298.15K-287.856163
Nuclear repulsion energy239.307920
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-pVTZ
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 3748 3604 34.71      
2 A 3609 3470 33.12      
3 A 3107 2988 42.84      
4 A 3105 2985 36.56      
5 A 3081 2963 4.94      
6 A 3058 2940 15.80      
7 A 3045 2928 25.10      
8 A 3027 2911 27.94      
9 A 3018 2903 12.10      
10 A 1786 1717 297.42      
11 A 1612 1550 117.79      
12 A 1503 1445 7.94      
13 A 1493 1436 7.52      
14 A 1487 1430 2.31      
15 A 1458 1402 8.68      
16 A 1412 1357 77.32      
17 A 1407 1353 2.44      
18 A 1359 1307 31.99      
19 A 1318 1267 26.62      
20 A 1263 1215 43.42      
21 A 1247 1199 4.85      
22 A 1136 1093 0.70      
23 A 1115 1072 1.70      
24 A 1076 1035 0.94      
25 A 1056 1015 2.79      
26 A 933 897 2.64      
27 A 884 850 0.78      
28 A 847 814 3.27      
29 A 748 719 5.80      
30 A 668 642 4.10      
31 A 612 589 11.63      
32 A 521 501 5.04      
33 A 423 407 2.11      
34 A 340 327 2.42      
35 A 243 234 0.16      
36 A 183 176 7.46      
37 A 172 166 177.99      
38 A 86 83 1.40      
39 A 29 28 3.54      

Unscaled Zero Point Vibrational Energy (zpe) 28606.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 27507.7 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-pVTZ
ABC
0.29062 0.06130 0.05281

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.723 -0.202 0.038
H2 -2.866 -0.363 1.109
H3 -3.514 0.469 -0.303
H4 -2.869 -1.163 -0.462
C5 -1.347 0.379 -0.254
H6 -1.242 0.570 -1.326
H7 -1.228 1.347 0.235
C8 -0.216 -0.531 0.202
H9 -0.250 -1.489 -0.327
H10 -0.338 -0.766 1.267
N11 2.180 -0.770 -0.134
H12 3.117 -0.409 -0.168
H13 2.038 -1.762 -0.150
C14 1.154 0.106 0.050
O15 1.336 1.306 0.106

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09301.09141.09321.52162.15552.16202.53362.81112.74224.93835.84705.01393.88964.3305
H21.09301.76231.76282.17183.07182.52472.80573.18932.56545.21266.11805.25314.18424.6314
H31.09141.76231.76192.16902.49302.50753.48273.80553.75205.82906.68975.98554.69554.9384
H41.09321.76281.76192.17682.52933.07932.80672.64233.09115.07456.04044.95364.24984.9094
C51.52162.17182.16902.17681.09351.09101.52192.16712.15483.71124.53374.00722.53472.8614
H62.15553.07182.49302.52931.09351.74352.14512.49393.05363.86334.61524.19362.80203.0396
H72.16202.52472.50753.07931.09101.74352.13353.05142.51414.02824.70304.52572.69232.5671
C82.53362.80573.48272.80671.52192.14512.13351.09441.09652.43123.35592.59281.51932.4072
H92.81113.18933.80552.64232.16712.49393.05141.09441.75232.54123.53962.31172.15813.2423
H102.74222.56543.75203.09112.15483.05362.51411.09651.75232.88073.75762.94002.11362.9052
N114.93835.21265.82905.07453.71123.86334.02822.43122.54122.88071.00501.00251.36092.2536
H125.84706.11806.68976.04044.53374.61524.70303.35593.53963.75761.00501.73092.04042.4873
H135.01395.25315.98554.95364.00724.19364.52572.59282.31172.94001.00251.73092.07643.1580
C143.88964.18424.69554.24982.53472.80202.69231.51932.15812.11361.36092.04042.07641.2150
O154.33054.63144.93844.90942.86143.03962.56712.40723.24232.90522.25362.48733.15801.2150

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.944 C1 C5 H7 110.604
C1 C5 C8 112.702 H2 C1 H3 107.566
H2 C1 H4 107.477 H2 C1 C5 111.267
H3 C1 H4 107.519 H3 C1 C5 111.145
H4 C1 C5 111.661 C5 C8 H9 110.790
C5 C8 H10 109.691 C5 C8 C14 112.906
H6 C5 H7 105.894 H6 C5 C8 109.103
H7 C5 C8 108.347 C8 C14 N11 115.041
C8 C14 O15 122.986 H9 C8 H10 106.216
H9 C8 C14 110.252 H10 C8 C14 106.687
N11 C14 O15 121.964 H12 N11 H13 119.132
H12 N11 C14 118.406 H13 N11 C14 122.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.283      
2 H 0.085      
3 H 0.097      
4 H 0.081      
5 C -0.147      
6 H 0.088      
7 H 0.108      
8 C -0.195      
9 H 0.081      
10 H 0.106      
11 N -0.226      
12 H 0.155      
13 H 0.155      
14 C 0.233      
15 O -0.339      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.244 -3.564 -0.131 3.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.937 -6.330 -0.521
y -6.330 -38.936 -0.063
z -0.521 -0.063 -37.756
Traceless
 xyz
x 5.409 -6.330 -0.521
y -6.330 -3.589 -0.063
z -0.521 -0.063 -1.819
Polar
3z2-r2-3.639
x2-y25.999
xy-6.330
xz-0.521
yz-0.063


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> 216.462
(<r2>)1/2 14.713