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All results from a given calculation for CH3C(NH2)HCH2CH3 (2-Butanamine)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-212.635546
Energy at 298.15K-212.648141
Nuclear repulsion energy192.895587
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 B3LYP/3-21G
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 3483 3361 2.15      
2 A 3390 3271 5.26      
3 A 3131 3021 37.58      
4 A 3117 3007 40.15      
5 A 3109 3000 39.62      
6 A 3105 2996 23.07      
7 A 3089 2981 1.58      
8 A 3050 2943 26.28      
9 A 3044 2937 11.91      
10 A 3043 2936 29.85      
11 A 2916 2814 78.88      
12 A 1714 1654 28.56      
13 A 1578 1522 9.63      
14 A 1569 1514 3.99      
15 A 1563 1509 4.22      
16 A 1556 1501 4.93      
17 A 1534 1480 1.91      
18 A 1455 1404 1.58      
19 A 1452 1401 16.46      
20 A 1422 1372 4.55      
21 A 1412 1363 19.36      
22 A 1374 1326 3.06      
23 A 1335 1289 3.87      
24 A 1282 1237 0.48      
25 A 1214 1171 2.08      
26 A 1166 1125 1.24      
27 A 1066 1028 8.13      
28 A 1030 994 4.31      
29 A 1025 989 4.71      
30 A 1015 980 0.99      
31 A 932 900 4.44      
32 A 836 806 11.71      
33 A 784 756 18.95      
34 A 716 691 137.96      
35 A 476 459 7.97      
36 A 451 436 8.50      
37 A 375 362 0.38      
38 A 281 271 26.79      
39 A 260 251 1.57      
40 A 237 229 4.22      
41 A 208 201 32.60      
42 A 85 82 6.84      

Unscaled Zero Point Vibrational Energy (zpe) 32941.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 31784.7 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 B3LYP/3-21G
ABC
0.25842 0.11291 0.08682

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.566 1.384 -0.224
H2 -0.224 1.967 0.070
H3 1.440 1.848 0.044
C4 1.785 -0.722 -0.012
H5 1.908 -0.709 -1.100
H6 2.654 -0.230 0.443
H7 1.754 -1.758 0.340
C8 0.485 0.017 0.351
H9 0.371 0.007 1.453
C10 -0.733 -0.708 -0.259
H11 -0.598 -0.719 -1.346
H12 -0.736 -1.746 0.101
C13 -2.081 -0.041 0.092
H14 -2.918 -0.625 -0.305
H15 -2.140 0.963 -0.343
H16 -2.205 0.037 1.180

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02451.02582.44292.63592.72213.40661.48532.17872.46332.65213.40523.02224.02252.74053.3855
H21.02451.66883.35773.61553.63974.22652.09402.47192.74343.05893.74812.73503.75742.20202.9802
H31.02581.66882.59402.83982.43943.63252.08842.55393.36973.56004.20213.99625.02363.70824.2263
C42.44293.35772.59401.09451.09721.09511.53902.16282.53072.73082.72343.92684.71374.28394.2332
H52.63593.61552.83981.09451.77931.78832.15763.06422.77172.51733.08304.21594.89184.44394.7610
H62.72213.63972.43941.09721.77931.77712.18482.50783.49223.74323.72914.75135.63615.00184.9219
H73.40664.22653.63251.09511.78831.77712.18212.50332.76523.07442.50104.20874.85064.79884.4274
C81.48532.09402.08841.53902.15762.18482.18211.10771.54362.14322.15882.57933.52492.87482.8150
H92.17872.47192.55392.16283.06422.50782.50331.10772.15863.04912.47452.80403.78223.23102.5905
C102.46332.74343.36972.53072.77173.49222.76521.54362.15861.09581.09771.54402.18712.18582.1889
H112.65213.05893.56002.73082.51733.74323.07442.14323.04911.09581.77972.17432.54552.49243.0879
H123.40523.74814.20212.72343.08303.72912.50102.15882.47451.09771.77972.17132.48683.08262.5499
C133.02222.73503.99623.92684.21594.75134.20872.57932.80401.54402.17432.17131.09561.09541.0972
H144.02253.75745.02364.71374.89185.63614.85063.52493.78222.18712.54552.48681.09561.76861.7748
H152.74052.20203.70824.28394.44395.00184.79882.87483.23102.18582.49243.08261.09541.76861.7827
H163.38552.98024.22634.23324.76104.92194.42742.81502.59052.18893.08792.54991.09721.77481.7827

picture of 2-Butanamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C8 C4 107.740 N1 C8 H9 113.529
N1 C8 C10 108.816 H2 N1 H3 108.963
H2 N1 C8 111.779 H3 N1 C8 111.221
C4 C8 H9 108.507 C4 C8 C10 110.367
H5 C4 H6 108.547 H5 C4 H7 109.510
H5 C4 C8 108.857 H6 C4 H7 108.309
H6 C4 C8 110.837 H7 C4 C8 110.744
C8 C10 H11 107.364 C8 C10 H12 108.451
C8 C10 C13 113.310 H9 C8 C10 107.881
C10 C13 H14 110.759 C10 C13 H15 110.666
C10 C13 H16 110.805 H11 C10 H12 108.451
H11 C10 C13 109.741 H12 C10 C13 109.397
H14 C13 H15 107.647 H14 C13 H16 108.074
H15 C13 H16 108.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.652      
2 H 0.262      
3 H 0.258      
4 C -0.531      
5 H 0.202      
6 H 0.175      
7 H 0.182      
8 C -0.076      
9 H 0.155      
10 C -0.340      
11 H 0.199      
12 H 0.176      
13 C -0.566      
14 H 0.190      
15 H 0.187      
16 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.073 0.345 1.225 1.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.741 0.456 0.885
y 0.456 -31.721 2.012
z 0.885 2.012 -35.439
Traceless
 xyz
x 0.839 0.456 0.885
y 0.456 2.369 2.012
z 0.885 2.012 -3.208
Polar
3z2-r2-6.417
x2-y2-1.020
xy0.456
xz0.885
yz2.012


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.987 0.051 0.021
y 0.051 7.122 -0.081
z 0.021 -0.081 6.081


<r2> (average value of r2) Å2
<r2> 151.634
(<r2>)1/2 12.314