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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-213.613533
Energy at 298.15K-213.625997
Nuclear repulsion energy194.157689
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 B1B95/6-31G
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 3690 3520 0.29      
2 A 3571 3406 0.24      
3 A 3160 3013 35.03      
4 A 3143 2997 45.79      
5 A 3139 2993 28.64      
6 A 3137 2992 52.83      
7 A 3104 2960 8.63      
8 A 3057 2916 29.09      
9 A 3052 2911 20.34      
10 A 3051 2910 42.03      
11 A 2912 2777 98.41      
12 A 1700 1622 50.36      
13 A 1548 1476 9.64      
14 A 1541 1470 4.87      
15 A 1536 1465 7.21      
16 A 1531 1460 5.62      
17 A 1517 1446 1.01      
18 A 1444 1377 12.00      
19 A 1441 1375 10.96      
20 A 1430 1363 3.81      
21 A 1414 1348 28.18      
22 A 1366 1303 3.90      
23 A 1321 1260 2.06      
24 A 1268 1209 2.74      
25 A 1225 1168 3.53      
26 A 1189 1134 4.07      
27 A 1087 1037 3.10      
28 A 1054 1005 10.68      
29 A 1025 977 0.14      
30 A 1012 965 6.41      
31 A 958 914 4.92      
32 A 839 800 5.81      
33 A 791 754 2.50      
34 A 606 578 208.50      
35 A 480 458 17.12      
36 A 460 438 9.34      
37 A 369 352 1.64      
38 A 264 252 21.17      
39 A 241 230 0.55      
40 A 226 216 3.71      
41 A 190 181 34.26      
42 A 92 88 2.98      

Unscaled Zero Point Vibrational Energy (zpe) 33090.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 31558.7 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 B1B95/6-31G
ABC
0.26259 0.11447 0.08779

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.550 1.375 -0.194
H2 -0.233 1.971 0.032
H3 1.437 1.842 -0.063
C4 1.778 -0.708 -0.018
H5 1.902 -0.723 -1.105
H6 2.649 -0.208 0.420
H7 1.762 -1.737 0.351
C8 0.485 0.018 0.341
H9 0.380 0.004 1.445
C10 -0.730 -0.712 -0.241
H11 -0.596 -0.771 -1.328
H12 -0.732 -1.739 0.147
C13 -2.064 -0.041 0.081
H14 -2.905 -0.637 -0.286
H15 -2.136 0.943 -0.393
H16 -2.194 0.087 1.162

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01011.01082.42412.65692.69863.38361.45932.14282.44902.68433.38432.98603.99952.72803.3203
H21.01011.67813.35023.62083.63334.22262.10302.49772.74203.08173.74432.72033.74672.20352.9436
H31.01081.67812.57342.80762.42963.61812.09672.60203.35473.54434.19183.97835.00503.69904.2146
C42.42413.35022.57341.09391.09561.09351.52592.14522.51832.71232.71833.90134.69154.26464.2190
H52.65693.62082.80761.09391.77421.77972.15603.05722.77042.50873.08804.19594.87744.42604.7508
H62.69863.63332.42961.09561.77421.76972.17682.49853.47983.72843.72124.72835.61494.98774.9078
H73.38364.22263.61811.09351.77971.76972.17082.47752.75903.05152.50204.19424.83704.78864.4309
C81.45932.10302.09671.52592.15602.17682.17081.10891.53302.13942.14622.56353.50942.87482.8026
H92.14282.49772.60202.14523.05722.49852.47751.10892.14213.03982.44102.79963.76793.25422.5906
C102.44902.74203.35472.51832.77043.47982.75901.53302.14211.09621.09741.52802.17672.17702.1794
H112.68433.08173.54432.71232.50873.72843.05152.13943.03981.09621.76892.16182.53692.48653.0800
H123.38433.74434.19182.71833.08803.72122.50202.14622.44101.09741.76892.15942.47473.07502.5498
C132.98602.72033.97833.90134.19594.72834.19422.56352.79961.52802.16182.15941.09381.09461.0961
H143.99953.74675.00504.69154.87745.61494.83703.50943.76792.17672.53692.47471.09381.76081.7678
H152.72802.20353.69904.26464.42604.98774.78862.87483.25422.17702.48653.07501.09461.76081.7759
H163.32032.94364.21464.21904.75084.90784.43092.80262.59062.17943.08002.54981.09611.76781.7759

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 108.568 N1 C8 H9 112.386
N1 C8 C10 109.833 H2 N1 H3 112.278
H2 N1 C8 115.570 H3 N1 C8 114.956
C4 C8 H9 107.963 C4 C8 C10 110.823
H5 C4 H6 108.255 H5 C4 H7 108.901
H5 C4 C8 109.659 H6 C4 H7 107.882
H6 C4 C8 111.208 H7 C4 C8 110.859
C8 C10 H11 107.761 C8 C10 H12 108.220
C8 C10 C13 113.749 H9 C8 C10 107.265
C10 C13 H14 111.165 C10 C13 H15 111.143
C10 C13 H16 111.241 H11 C10 H12 107.485
H11 C10 C13 109.837 H12 C10 C13 109.583
H14 C13 H15 107.139 H14 C13 H16 107.659
H15 C13 H16 108.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.730      
2 H 0.293      
3 H 0.290      
4 C -0.450      
5 H 0.166      
6 H 0.141      
7 H 0.150      
8 C -0.006      
9 H 0.122      
10 C -0.252      
11 H 0.157      
12 H 0.138      
13 C -0.474      
14 H 0.155      
15 H 0.153      
16 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.124 0.346 1.067 1.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.271 0.525 0.644
y 0.525 -31.358 1.627
z 0.644 1.627 -35.568
Traceless
 xyz
x 1.193 0.525 0.644
y 0.525 2.561 1.627
z 0.644 1.627 -3.754
Polar
3z2-r2-7.508
x2-y2-0.912
xy0.525
xz0.644
yz1.627


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.242 0.052 -0.010
y 0.052 7.419 -0.143
z -0.010 -0.143 6.453


<r2> (average value of r2) Å2
<r2> 150.041
(<r2>)1/2 12.249