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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-287.815297
Energy at 298.15K-287.825609
Nuclear repulsion energy238.891356
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3771 3614 37.92      
2 A 3626 3475 35.51      
3 A 3141 3010 42.59      
4 A 3138 3007 35.80      
5 A 3114 2984 6.48      
6 A 3090 2961 15.21      
7 A 3073 2945 22.42      
8 A 3049 2922 31.62      
9 A 3044 2917 13.83      
10 A 1787 1713 330.74      
11 A 1621 1553 125.84      
12 A 1489 1427 8.22      
13 A 1478 1416 7.61      
14 A 1472 1411 2.03      
15 A 1446 1386 13.85      
16 A 1424 1364 83.63      
17 A 1398 1339 2.93      
18 A 1355 1298 30.89      
19 A 1313 1258 20.54      
20 A 1256 1203 36.97      
21 A 1241 1189 3.22      
22 A 1140 1092 0.76      
23 A 1113 1067 1.26      
24 A 1085 1040 0.73      
25 A 1063 1019 3.15      
26 A 941 901 2.27      
27 A 880 844 0.73      
28 A 856 820 2.43      
29 A 746 715 5.25      
30 A 665 638 4.30      
31 A 612 586 12.29      
32 A 524 502 6.66      
33 A 426 408 2.32      
34 A 342 328 2.54      
35 A 245 235 0.38      
36 A 201 193 175.55      
37 A 182 175 11.56      
38 A 86 83 1.41      
39 A 36 34 3.64      

Unscaled Zero Point Vibrational Energy (zpe) 28732.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 27534.6 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/aug-cc-pVDZ
ABC
0.28920 0.06121 0.05271

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.724 -0.204 0.035
H2 -2.869 -0.372 1.111
H3 -3.519 0.471 -0.307
H4 -2.867 -1.168 -0.473
C5 -1.349 0.382 -0.251
H6 -1.240 0.577 -1.327
H7 -1.233 1.353 0.246
C8 -0.217 -0.529 0.206
H9 -0.252 -1.491 -0.327
H10 -0.336 -0.764 1.275
N11 2.181 -0.773 -0.132
H12 3.120 -0.410 -0.175
H13 2.039 -1.768 -0.162
C14 1.153 0.104 0.050
O15 1.339 1.308 0.104

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09881.09701.09891.52262.16082.16652.53342.81042.74914.94085.85155.01663.88934.3362
H21.09881.77201.77322.17633.08212.52982.80663.18942.56925.21666.12605.25924.18694.6418
H31.09701.77201.77182.17262.49922.51173.48703.81053.76285.83636.69805.99284.69944.9464
H41.09891.77321.77182.18172.53463.08942.80862.63883.10275.07486.04204.95174.24864.9150
C51.52262.17632.17262.18171.09891.09631.52292.17222.16133.71574.53894.01292.53482.8647
H62.16083.08212.49922.53461.09891.75382.14902.50073.06433.86664.61604.19542.80073.0385
H72.16652.52982.51173.08941.09631.75382.13883.06232.51934.03914.71504.53922.69982.5760
C82.53342.80663.48702.80861.52292.14902.13881.09991.10172.43443.36122.59971.51772.4105
H92.81043.18943.81052.63882.17222.50073.06231.09991.76162.54423.54412.31312.15863.2488
H102.74912.56923.76283.10272.16133.06432.51931.10171.76162.88373.76462.95152.11482.9109
N114.94085.21665.83635.07483.71573.86664.03912.43442.54422.88371.00751.00531.36342.2575
H125.85156.12606.69806.04204.53894.61604.71503.36123.54413.76461.00751.73542.04562.4907
H135.01665.25925.99284.95174.01294.19544.53922.59972.31312.95151.00531.73542.08133.1658
C143.88934.18694.69944.24862.53482.80072.69981.51772.15862.11481.36342.04562.08131.2200
O154.33624.64184.94644.91502.86473.03852.57602.41053.24882.91092.25752.49073.16581.2200

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.972 C1 C5 H7 110.580
C1 C5 C8 112.578 H2 C1 H3 107.614
H2 C1 H4 107.580 H2 C1 C5 111.210
H3 C1 H4 107.584 H3 C1 C5 111.021
H4 C1 C5 111.638 C5 C8 H9 110.800
C5 C8 H10 109.827 C5 C8 C14 112.953
H6 C5 H7 106.058 H6 C5 C8 109.032
H7 C5 C8 108.392 C8 C14 N11 115.230
C8 C14 O15 123.036 H9 C8 H10 106.281
H9 C8 C14 110.085 H10 C8 C14 106.596
N11 C14 O15 121.722 H12 N11 H13 119.133
H12 N11 C14 118.492 H13 N11 C14 122.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.445      
2 H -0.120      
3 H -0.120      
4 H -0.120      
5 C 0.556      
6 H -0.268      
7 H -0.245      
8 C 0.441      
9 H -0.304      
10 H -0.139      
11 N -0.029      
12 H -0.054      
13 H -0.055      
14 C 0.621      
15 O -0.610      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.081 -3.636 -0.161 3.640
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.488 -6.454 -0.598
y -6.454 -39.549 -0.009
z -0.598 -0.009 -38.176
Traceless
 xyz
x 5.375 -6.454 -0.598
y -6.454 -3.717 -0.009
z -0.598 -0.009 -1.658
Polar
3z2-r2-3.316
x2-y26.061
xy-6.454
xz-0.598
yz-0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.158 -0.308 -0.189
y -0.308 9.531 -0.004
z -0.189 -0.004 7.559


<r2> (average value of r2) Å2
<r2> 217.212
(<r2>)1/2 14.738