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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-284.053735
Energy at 298.15K-284.063726
Nuclear repulsion energy233.752415
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 B1B95/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 3842 3393 0.48      
2 A 3631 3206 5.34      
3 A 3509 3098 1.49      
4 A 3509 3098 2.29      
5 A 3480 3073 0.69      
6 A 3456 3051 0.34      
7 A 3376 2981 1.94      
8 A 3349 2957 2.50      
9 A 3335 2945 2.38      
10 A 1911 1687 67.17      
11 A 1759 1553 17.21      
12 A 1695 1497 3.28      
13 A 1687 1490 4.24      
14 A 1669 1474 2.63      
15 A 1651 1458 1.67      
16 A 1579 1394 0.58      
17 A 1524 1346 10.46      
18 A 1427 1260 15.49      
19 A 1418 1253 6.39      
20 A 1354 1196 0.92      
21 A 1316 1162 96.00      
22 A 1227 1084 4.32      
23 A 1185 1046 2.77      
24 A 1155 1020 0.02      
25 A 1138 1005 6.52      
26 A 1003 885 3.41      
27 A 947 836 0.48      
28 A 891 786 3.06      
29 A 794 701 12.06      
30 A 625 552 107.65      
31 A 571 504 28.24      
32 A 518 457 113.38      
33 A 435 384 14.78      
34 A 380 336 37.70      
35 A 336 297 4.24      
36 A 237 209 0.02      
37 A 158 139 3.35      
38 A 83 73 0.29      
39 A 25 22 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 31091.4 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 27453.7 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 B1B95/STO-3G
ABC
0.27330 0.05923 0.05017

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.770 -0.239 0.009
H2 -2.891 -0.808 0.940
H3 -3.570 0.511 -0.042
H4 -2.895 -0.932 -0.834
C5 -1.385 0.442 -0.042
H6 -1.292 1.026 -0.970
H7 -1.288 1.151 0.795
C8 -0.227 -0.579 0.028
H9 -0.277 -1.275 -0.825
H10 -0.312 -1.183 0.947
N11 2.251 -0.818 -0.121
H12 3.170 -0.424 0.182
H13 2.074 -1.735 0.345
C14 1.167 0.128 0.015
O15 1.352 1.361 0.031

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09821.09801.09821.54412.17792.17912.56552.82552.79525.05615.94555.08143.95454.4220
H21.09821.77931.77902.18973.09362.53602.82533.18882.60655.25096.12075.08654.26674.8516
H31.09801.77931.77922.18602.51302.51383.51693.82733.80315.97166.80846.08754.75334.9957
H41.09821.77901.77922.18962.53393.09442.82552.64023.14755.19636.17035.17004.28304.9034
C51.54412.18972.18602.18961.10071.10091.54572.18882.18403.84944.64234.10622.57262.8885
H62.17793.09362.51302.53391.10071.76892.16982.51983.08484.08394.83144.54882.79772.8474
H72.17912.53602.51383.09441.10091.76892.16973.08752.53474.15234.76754.45422.77192.7561
C82.56552.82533.51692.82551.54572.16982.16971.10181.10282.49433.40432.59511.56362.5020
H92.82553.18883.82732.64022.18882.51983.08751.10181.77442.66383.69062.66642.18173.2153
H102.79522.60653.80313.14752.18403.08482.53471.10281.77442.80063.64502.52232.18513.1749
N115.05615.25095.97165.19633.84944.08394.15232.49432.66382.80061.04481.04411.44492.3623
H125.94556.12076.80846.17034.64234.83144.76753.40433.69063.64501.04481.71682.08402.5522
H135.08145.08656.08755.17004.10624.54884.45422.59512.66642.52231.04411.71682.09843.1952
C143.95454.26674.75334.28302.57262.79772.77191.56362.18172.18511.44492.08402.09841.2473
O154.42204.85164.99574.90342.88852.84742.75612.50203.21533.17492.36232.55223.19521.2473

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.725 C1 C5 H7 109.808
C1 C5 C8 112.265 H2 C1 H3 108.220
H2 C1 H4 108.187 H2 C1 C5 110.807
H3 C1 H4 108.219 H3 C1 C5 110.518
H4 C1 C5 110.794 C5 C8 H9 110.409
C5 C8 H10 109.977 C5 C8 C14 111.659
H6 C5 H7 106.922 H6 C5 C8 108.992
H7 C5 C8 108.978 C8 C14 N11 111.950
C8 C14 O15 125.392 H9 C8 H10 107.198
H9 C8 C14 108.633 H10 C8 C14 108.841
N11 C14 O15 122.509 H12 N11 H13 110.543
H12 N11 C14 112.669 H13 N11 C14 113.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.228      
2 H 0.073      
3 H 0.078      
4 H 0.074      
5 C -0.133      
6 H 0.080      
7 H 0.080      
8 C -0.160      
9 H 0.084      
10 H 0.075      
11 N -0.386      
12 H 0.192      
13 H 0.187      
14 C 0.207      
15 O -0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.099 -2.134 1.139 2.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.737 -3.230 2.980
y -3.230 -35.722 -1.474
z 2.980 -1.474 -34.452
Traceless
 xyz
x 3.350 -3.230 2.980
y -3.230 -2.628 -1.474
z 2.980 -1.474 -0.722
Polar
3z2-r2-1.445
x2-y23.985
xy-3.230
xz2.980
yz-1.474


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.101 -0.213 0.024
y -0.213 4.790 -0.059
z 0.024 -0.059 2.775


<r2> (average value of r2) Å2
<r2> 223.220
(<r2>)1/2 14.941