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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-213.729094
Energy at 298.15K-213.741646
Nuclear repulsion energy194.827870
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 B1B95/6-311G**
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 3594 3451 0.01      
2 A 3516 3376 1.19      
3 A 3129 3005 36.90      
4 A 3120 2995 38.34      
5 A 3112 2988 36.94      
6 A 3112 2987 43.43      
7 A 3080 2957 9.57      
8 A 3042 2920 39.32      
9 A 3039 2917 26.20      
10 A 3037 2915 21.94      
11 A 2928 2811 76.80      
12 A 1644 1578 44.13      
13 A 1503 1443 8.40      
14 A 1495 1435 3.91      
15 A 1490 1430 8.10      
16 A 1484 1425 4.16      
17 A 1468 1409 1.09      
18 A 1418 1362 6.43      
19 A 1397 1341 15.26      
20 A 1394 1338 6.48      
21 A 1377 1322 9.53      
22 A 1326 1273 2.02      
23 A 1295 1243 1.30      
24 A 1253 1203 0.54      
25 A 1196 1149 2.10      
26 A 1159 1113 10.53      
27 A 1071 1028 0.75      
28 A 1034 993 2.90      
29 A 1010 969 5.71      
30 A 978 939 3.10      
31 A 947 910 10.16      
32 A 863 829 109.53      
33 A 815 783 4.27      
34 A 765 735 2.10      
35 A 470 451 6.24      
36 A 449 431 6.62      
37 A 362 348 2.94      
38 A 273 262 27.47      
39 A 235 225 0.05      
40 A 227 218 4.83      
41 A 204 196 19.50      
42 A 96 92 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 32702.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 31397.4 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 B1B95/6-311G**
ABC
0.26428 0.11535 0.08852

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.543 1.371 -0.234
H2 -0.230 1.928 0.111
H3 1.387 1.836 0.080
C4 1.774 -0.702 -0.016
H5 1.904 -0.728 -1.100
H6 2.641 -0.196 0.416
H7 1.762 -1.726 0.361
C8 0.486 0.024 0.333
H9 0.386 0.037 1.432
C10 -0.725 -0.714 -0.230
H11 -0.596 -0.796 -1.313
H12 -0.724 -1.731 0.173
C13 -2.055 -0.043 0.080
H14 -2.894 -0.646 -0.271
H15 -2.132 0.929 -0.412
H16 -2.184 0.108 1.156

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01321.01362.42032.64652.69843.38081.46242.14042.44012.67553.37572.97443.98522.71733.3114
H21.01321.61953.30813.61503.58424.16872.04572.38742.70923.09563.69282.68623.72402.21132.8677
H31.01361.61952.56872.86912.41163.59252.03922.46293.32543.57824.14623.92134.96073.66724.1104
C42.42033.30812.56871.09201.09301.09131.51902.13742.50792.70382.70863.88634.67494.25134.2061
H52.64653.61502.86911.09201.76771.77482.15123.04942.76882.51013.08764.18714.86924.41674.7427
H62.69843.58422.41161.09301.76771.76522.16842.48463.46663.71943.70714.71095.59574.97384.8911
H73.38084.16873.59251.09131.77481.76522.16622.47972.74933.03822.49354.18124.82104.77624.4232
C81.46242.04572.03921.51902.15122.16842.16621.10391.52552.13402.13812.55433.49792.86832.7950
H92.14042.38742.46292.13743.04942.48462.47971.10392.13543.03262.43802.79163.75803.24602.5857
C102.44012.70923.32542.50792.76883.46662.74931.52552.13541.09431.09431.52172.17032.17112.1732
H112.67553.09563.57822.70382.51013.71943.03822.13403.03261.09431.76092.15322.52742.47973.0713
H123.37573.69284.14622.70863.08763.70712.49352.13812.43801.09431.76092.15192.46603.06642.5450
C132.97442.68623.92133.88634.18714.71094.18122.55432.79161.52172.15322.15191.09111.09201.0937
H143.98523.72404.96074.67494.86925.59574.82103.49793.75802.17032.52742.46601.09111.75561.7624
H152.71732.21133.66724.25134.41674.97384.77622.86833.24602.17112.47973.06641.09201.75561.7703
H163.31142.86774.11044.20614.74274.89114.42322.79502.58572.17323.07132.54501.09371.76241.7703

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 108.529 N1 C8 H9 112.279
N1 C8 C10 109.487 H2 N1 H3 106.077
H2 N1 C8 110.125 H3 N1 C8 109.557
C4 C8 H9 108.109 C4 C8 C10 110.926
H5 C4 H6 108.001 H5 C4 H7 108.759
H5 C4 C8 109.878 H6 C4 H7 107.820
H6 C4 C8 111.179 H7 C4 C8 111.107
C8 C10 H11 107.958 C8 C10 H12 108.272
C8 C10 C13 113.908 H9 C8 C10 107.520
C10 C13 H14 111.257 C10 C13 H15 111.270
C10 C13 H16 111.338 H11 C10 H12 107.143
H11 C10 C13 109.715 H12 C10 C13 109.611
H14 C13 H15 107.060 H14 C13 H16 107.537
H15 C13 H16 108.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.450      
2 H 0.196      
3 H 0.194      
4 C -0.312      
5 H 0.129      
6 H 0.113      
7 H 0.118      
8 C -0.139      
9 H 0.115      
10 C -0.225      
11 H 0.131      
12 H 0.120      
13 C -0.358      
14 H 0.127      
15 H 0.123      
16 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.040 0.206 1.210 1.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.217 0.517 0.908
y 0.517 -32.343 1.952
z 0.908 1.952 -35.628
Traceless
 xyz
x 0.768 0.517 0.908
y 0.517 2.079 1.952
z 0.908 1.952 -2.847
Polar
3z2-r2-5.695
x2-y2-0.874
xy0.517
xz0.908
yz1.952


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.304 -0.044 0.014
y -0.044 8.198 0.035
z 0.014 0.035 7.305


<r2> (average value of r2) Å2
<r2> 149.381
(<r2>)1/2 12.222