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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-213.693331
Energy at 298.15K-213.705884
Nuclear repulsion energy194.435424
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 B1B95/6-31+G**
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 3628 3471 0.81      
2 A 3537 3384 0.57      
3 A 3145 3008 31.36      
4 A 3134 2998 37.76      
5 A 3128 2992 27.51      
6 A 3126 2990 47.69      
7 A 3095 2961 8.90      
8 A 3052 2920 38.57      
9 A 3049 2917 22.29      
10 A 3047 2915 32.89      
11 A 2941 2813 78.69      
12 A 1655 1583 53.98      
13 A 1504 1439 8.96      
14 A 1497 1432 4.84      
15 A 1494 1429 9.36      
16 A 1489 1424 4.58      
17 A 1473 1409 0.97      
18 A 1421 1359 6.88      
19 A 1402 1341 15.58      
20 A 1398 1338 7.44      
21 A 1378 1318 15.48      
22 A 1326 1269 2.78      
23 A 1293 1237 2.18      
24 A 1249 1194 0.73      
25 A 1196 1144 3.93      
26 A 1161 1111 8.40      
27 A 1071 1025 1.06      
28 A 1033 988 4.93      
29 A 1010 966 4.52      
30 A 977 935 3.59      
31 A 944 903 6.41      
32 A 845 808 104.34      
33 A 811 776 23.25      
34 A 765 732 4.73      
35 A 473 453 7.68      
36 A 449 430 5.98      
37 A 366 350 2.39      
38 A 281 269 34.41      
39 A 237 227 1.88      
40 A 226 216 5.68      
41 A 209 200 10.24      
42 A 100 95 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 32807.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 31383.6 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 B1B95/6-31+G**
ABC
0.26309 0.11464 0.08803

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.560 1.374 -0.230
H2 -0.226 1.939 0.071
H3 1.401 1.844 0.088
C4 1.772 -0.713 -0.011
H5 1.906 -0.756 -1.095
H6 2.644 -0.210 0.418
H7 1.752 -1.734 0.381
C8 0.486 0.024 0.329
H9 0.378 0.036 1.429
C10 -0.730 -0.703 -0.242
H11 -0.607 -0.769 -1.330
H12 -0.725 -1.728 0.145
C13 -2.063 -0.043 0.088
H14 -2.900 -0.648 -0.268
H15 -2.156 0.939 -0.385
H16 -2.185 0.086 1.169

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01381.01432.42332.66392.69633.38351.46232.13822.44462.67623.37852.99804.00812.75473.3396
H21.01381.62913.32183.62883.60214.18292.05912.41442.70803.07243.70202.70273.73672.22092.9122
H31.01431.62912.58662.90162.42393.60742.05142.47233.33723.58734.15783.94434.98383.69994.1377
C42.42333.32182.58661.09371.09461.09311.52132.13962.51272.72112.70063.89444.68044.27764.2064
H52.66393.62882.90161.09371.77071.77702.15713.05502.77052.52383.06714.20224.87824.45794.7512
H62.69633.60212.42391.09461.77071.76672.17302.49343.47333.73363.70644.72165.60445.00034.8967
H73.38354.18293.60741.09311.77701.76672.16702.47372.75843.06942.48864.18274.82134.79554.4085
C81.46232.05912.05141.52132.15712.17302.16701.10541.52732.13862.13822.56083.50362.88482.8010
H92.13822.41442.47232.13963.05502.49342.47371.10542.13723.03782.44542.78603.75473.24392.5772
C102.44462.70803.33722.51272.77053.47332.75841.52732.13721.09611.09601.52382.17182.17922.1758
H112.67623.07243.58732.72112.52383.73363.06942.13863.03781.09611.76342.15782.53032.49143.0765
H123.37853.70204.15782.70063.06713.70642.48862.13822.44541.09601.76342.15182.46333.07222.5437
C132.99802.70273.94433.89444.20224.72164.18272.56082.78601.52382.15782.15181.09301.09381.0953
H144.00813.73674.98384.68044.87825.60444.82133.50363.75472.17182.53032.46331.09301.75691.7648
H152.75472.22093.69994.27764.45795.00034.79552.88483.24392.17922.49143.07221.09381.75691.7725
H163.33962.91224.13774.20644.75124.89674.40852.80102.57722.17583.07652.54371.09531.76481.7725

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 108.616 N1 C8 H9 112.013
N1 C8 C10 109.697 H2 N1 H3 106.883
H2 N1 C8 111.234 H3 N1 C8 110.547
C4 C8 H9 108.041 C4 C8 C10 111.021
H5 C4 H6 108.026 H5 C4 H7 108.706
H5 C4 C8 110.089 H6 C4 H7 107.713
H6 C4 C8 111.294 H7 C4 C8 110.912
C8 C10 H11 108.092 C8 C10 H12 108.067
C8 C10 C13 114.133 H9 C8 C10 107.458
C10 C13 H14 111.118 C10 C13 H15 111.665
C10 C13 H16 111.297 H11 C10 H12 107.119
H11 C10 C13 109.823 H12 C10 C13 109.360
H14 C13 H15 106.913 H14 C13 H16 107.506
H15 C13 H16 108.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.609      
2 H 0.282      
3 H 0.281      
4 C -0.627      
5 H 0.174      
6 H 0.146      
7 H 0.155      
8 C 0.063      
9 H 0.130      
10 C -0.145      
11 H 0.167      
12 H 0.148      
13 C -0.639      
14 H 0.162      
15 H 0.155      
16 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.029 0.082 1.279 1.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.298 0.386 1.067
y 0.386 -32.664 2.146
z 1.067 2.146 -36.323
Traceless
 xyz
x 1.195 0.386 1.067
y 0.386 2.146 2.146
z 1.067 2.146 -3.341
Polar
3z2-r2-6.683
x2-y2-0.634
xy0.386
xz1.067
yz2.146


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.459 -0.045 -0.026
y -0.045 8.487 -0.043
z -0.026 -0.043 7.908


<r2> (average value of r2) Å2
<r2> 150.338
(<r2>)1/2 12.261