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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-283.995559
Energy at 298.15K-284.005442
Nuclear repulsion energy230.115670
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 BLYP/STO-3G
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 3621 3350 2.28      
2 A 3409 3154 1.51      
3 A 3374 3121 5.97      
4 A 3370 3118 3.70      
5 A 3346 3095 3.11      
6 A 3330 3081 0.05      
7 A 3240 2998 6.21      
8 A 3222 2981 2.00      
9 A 3208 2968 3.99      
10 A 1780 1646 57.63      
11 A 1711 1583 11.31      
12 A 1654 1530 2.24      
13 A 1646 1522 3.44      
14 A 1630 1508 0.67      
15 A 1606 1486 0.23      
16 A 1530 1416 0.31      
17 A 1453 1345 7.24      
18 A 1384 1281 0.83      
19 A 1356 1255 1.97      
20 A 1322 1223 7.36      
21 A 1264 1170 87.01      
22 A 1180 1092 0.75      
23 A 1153 1067 8.01      
24 A 1078 997 2.13      
25 A 1055 976 17.33      
26 A 942 872 1.42      
27 A 915 846 2.09      
28 A 838 775 8.87      
29 A 777 719 9.16      
30 A 631 583 47.29      
31 A 582 538 147.27      
32 A 508 470 24.20      
33 A 405 375 10.62      
34 A 371 344 27.98      
35 A 318 294 0.43      
36 A 228 211 0.03      
37 A 177 163 1.77      
38 A 86 79 0.41      
39 A 47 43 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 29871.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 27637.4 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 BLYP/STO-3G
ABC
0.23736 0.05787 0.05130

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.788 0.018 0.005
H2 3.028 -0.996 0.386
H3 3.490 0.255 -0.820
H4 2.955 0.746 0.824
C5 1.305 0.083 -0.505
H6 1.092 1.098 -0.906
H7 1.169 -0.639 -1.340
C8 0.267 -0.249 0.636
H9 0.404 0.460 1.482
H10 0.445 -1.278 1.017
N11 -1.672 1.220 -0.118
H12 -2.732 1.280 -0.166
H13 -1.329 1.881 0.640
C14 -1.234 -0.178 0.109
O15 -1.947 -1.173 -0.220

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10871.10891.10881.56972.20772.20502.61282.83982.86274.62085.66494.56334.02804.8874
H21.10871.79771.79752.21923.13042.56142.87123.19512.67435.22026.21745.22694.34835.0147
H31.10891.79771.79772.21422.54332.54103.57253.85603.87295.29776.33935.29094.83355.6528
H41.10881.79751.79772.22002.56663.12902.87242.65013.23014.74515.79654.43514.34845.3663
C51.56972.21922.21422.22001.11201.11201.57792.21452.21563.21004.22413.38832.62493.4972
H62.20773.13042.54332.56661.11201.79202.20732.56593.12432.87613.89872.97672.83993.8545
H72.20502.56142.54103.12901.11201.79202.20653.12372.54713.60814.50284.06292.84303.3531
C82.61282.87123.57252.87241.57792.20732.20651.11281.11142.54683.46012.66161.59212.5468
H92.83983.19513.85602.65012.21452.56593.12371.11281.79962.72873.63562.39382.23043.3301
H102.86272.67433.87293.23012.21563.12432.54711.11141.79963.46554.24643.64242.20292.6949
N114.62085.22025.29774.74513.21002.87613.60812.54682.72873.46551.06271.06231.48272.4110
H125.66496.21746.33935.79654.22413.89874.50283.46013.63564.24641.06271.72572.10822.5758
H134.56335.22695.29094.43513.38832.97674.06292.66162.39383.64241.06231.72572.12853.2323
C144.02804.34834.83354.34842.62492.83992.84301.59212.23042.20291.48272.10822.12851.2674
O154.88745.01475.65285.36633.49723.85453.35312.54683.33012.69492.41102.57583.23231.2674

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.642 C1 C5 H7 109.433
C1 C5 C8 112.213 H2 C1 H3 108.317
H2 C1 H4 108.307 H2 C1 C5 110.723
H3 C1 H4 108.316 H3 C1 C5 110.319
H4 C1 C5 110.775 C5 C8 H9 109.569
C5 C8 H10 109.728 C5 C8 C14 111.793
H6 C5 H7 107.370 H6 C5 C8 109.062
H7 C5 C8 108.998 C8 C14 N11 111.795
C8 C14 O15 125.525 H9 C8 H10 108.020
H9 C8 C14 109.825 H10 C8 C14 107.818
N11 C14 O15 122.298 H12 N11 H13 108.601
H12 N11 C14 110.755 H13 N11 C14 112.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.212      
2 H 0.071      
3 H 0.072      
4 H 0.068      
5 C -0.123      
6 H 0.073      
7 H 0.073      
8 C -0.146      
9 H 0.066      
10 H 0.077      
11 N -0.350      
12 H 0.178      
13 H 0.174      
14 C 0.177      
15 O -0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.381 1.748 1.378 2.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.707 -4.539 -2.062
y -4.539 -34.830 1.579
z -2.062 1.579 -34.460
Traceless
 xyz
x 0.938 -4.539 -2.062
y -4.539 -0.746 1.579
z -2.062 1.579 -0.192
Polar
3z2-r2-0.384
x2-y21.123
xy-4.539
xz-2.062
yz1.579


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.449 -0.045 0.419
y -0.045 5.031 0.226
z 0.419 0.226 3.156


<r2> (average value of r2) Å2
<r2> 224.548
(<r2>)1/2 14.985