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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-213.518082
Energy at 298.15K-213.530852
HF Energy-213.290386
Nuclear repulsion energy193.912661
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 B2PLYP/6-31G*
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 3580 3398 0.65      
2 A 3492 3314 1.97      
3 A 3164 3003 36.08      
4 A 3154 2993 38.97      
5 A 3146 2986 43.44      
6 A 3144 2984 30.58      
7 A 3114 2956 11.33      
8 A 3076 2919 22.98      
9 A 3074 2917 37.29      
10 A 3069 2914 17.46      
11 A 2959 2809 76.71      
12 A 1716 1629 38.61      
13 A 1562 1483 6.97      
14 A 1551 1472 3.04      
15 A 1549 1471 3.54      
16 A 1542 1464 2.72      
17 A 1527 1450 0.36      
18 A 1463 1389 5.32      
19 A 1455 1381 5.72      
20 A 1450 1376 6.06      
21 A 1423 1350 15.69      
22 A 1371 1301 4.98      
23 A 1333 1265 1.48      
24 A 1289 1224 0.32      
25 A 1225 1163 1.74      
26 A 1190 1129 11.20      
27 A 1087 1032 1.83      
28 A 1052 998 2.66      
29 A 1041 988 6.35      
30 A 1006 955 2.77      
31 A 966 917 19.39      
32 A 905 859 108.56      
33 A 832 790 3.00      
34 A 785 745 1.23      
35 A 487 462 7.95      
36 A 462 439 5.38      
37 A 380 361 0.39      
38 A 310 294 40.60      
39 A 264 251 1.16      
40 A 237 225 6.15      
41 A 231 219 11.49      
42 A 108 102 2.03      

Unscaled Zero Point Vibrational Energy (zpe) 33384.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 31688.6 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 B2PLYP/6-31G*
ABC
0.26176 0.11388 0.08750

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.648 1.384 -0.237
H2 -0.127 1.974 0.052
H3 1.478 1.818 0.164
C4 1.756 -0.768 -0.009
H5 1.878 -0.818 -1.093
H6 2.648 -0.296 0.415
H7 1.687 -1.784 0.388
C8 0.490 0.027 0.327
H9 0.387 0.043 1.425
C10 -0.755 -0.675 -0.249
H11 -0.638 -0.732 -1.335
H12 -0.762 -1.698 0.139
C13 -2.110 -0.021 0.092
H14 -2.940 -0.603 -0.315
H15 -2.190 0.982 -0.330
H16 -2.246 0.043 1.176

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01581.01902.43032.66382.69133.39111.47692.15062.49082.70863.40973.11204.10212.86813.4883
H21.01581.61623.32613.62333.60284.18572.06042.42432.73863.08363.72772.81293.83282.32123.0796
H31.01901.61622.60612.94822.42853.61442.05112.43513.37173.63704.16914.03195.06063.79474.2476
C42.43033.32612.60611.09261.09471.09301.53162.14142.52372.73652.68833.93814.70874.32844.2515
H52.66383.62332.94821.09261.77241.77862.15843.05062.76872.52893.04354.23614.88554.51414.7855
H62.69133.60282.42851.09471.77241.77172.18322.49933.48753.74823.69754.77635.64385.05914.9643
H73.39114.18573.61441.09301.77861.77172.17132.46972.75613.07852.46284.19604.82654.81604.4072
C81.47692.06042.05111.53162.15842.18322.17131.10261.54122.14772.14062.61113.54662.92042.8653
H92.15062.42432.43512.14143.05062.49932.46971.10262.14913.04402.45032.83043.80933.25582.6446
C102.49082.73863.37172.52372.76873.48752.75611.54122.14911.09381.09461.54262.18752.19352.1839
H112.70863.08363.63702.73652.52893.74823.07852.14773.04401.09381.76652.17022.52152.52203.0810
H123.40973.72774.16912.68833.04353.69752.46282.14062.45031.09461.76652.15232.47983.07282.5119
C133.11202.81294.03193.93814.23614.77634.19602.61112.83041.54262.17022.15231.09291.09071.0940
H144.10213.83285.06064.70874.88555.64384.82653.54663.80932.18752.52152.47981.09291.75331.7667
H152.86812.32123.79474.32844.51415.05914.81602.92043.25582.19352.52203.07281.09071.75331.7750
H163.48833.07964.24764.25154.78554.96434.40722.86532.64462.18393.08102.51191.09401.76671.7750

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 107.748 N1 C8 H9 112.154
N1 C8 C10 111.215 H2 N1 H3 105.176
H2 N1 C8 110.119 H3 N1 C8 109.155
C4 C8 H9 107.651 C4 C8 C10 110.428
H5 C4 H6 108.248 H5 C4 H7 108.933
H5 C4 C8 109.534 H6 C4 H7 108.159
H6 C4 C8 111.375 H7 C4 C8 110.524
C8 C10 H11 107.980 C8 C10 H12 107.395
C8 C10 C13 115.711 H9 C8 C10 107.601
C10 C13 H14 111.048 C10 C13 H15 111.664
C10 C13 H16 110.693 H11 C10 H12 107.646
H11 C10 C13 109.629 H12 C10 C13 108.190
H14 C13 H15 106.827 H14 C13 H16 107.769
H15 C13 H16 108.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.772      
2 H 0.313      
3 H 0.308      
4 C -0.461      
5 H 0.165      
6 H 0.141      
7 H 0.149      
8 C 0.031      
9 H 0.114      
10 C -0.255      
11 H 0.154      
12 H 0.137      
13 C -0.478      
14 H 0.156      
15 H 0.155      
16 H 0.145      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.265 0.038 0.039
y 0.038 7.440 -0.030
z 0.039 -0.030 6.506


<r2> (average value of r2) Å2
<r2> 150.762
(<r2>)1/2 12.279