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

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-213.773058
Energy at 298.15K-213.785734
Nuclear repulsion energy194.214384
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 mPW1PW91/6-31+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 3649 3473 1.12      
2 A 3557 3386 0.44      
3 A 3154 3002 32.37      
4 A 3143 2992 37.48      
5 A 3137 2986 31.52      
6 A 3136 2985 41.84      
7 A 3105 2955 7.90      
8 A 3061 2914 33.72      
9 A 3058 2910 18.25      
10 A 3057 2910 38.23      
11 A 2950 2808 76.20      
12 A 1673 1592 55.51      
13 A 1517 1444 11.15      
14 A 1507 1435 3.63      
15 A 1505 1433 8.44      
16 A 1499 1426 5.61      
17 A 1483 1411 1.13      
18 A 1432 1363 6.58      
19 A 1416 1348 14.70      
20 A 1412 1344 10.00      
21 A 1389 1322 15.75      
22 A 1338 1273 1.97      
23 A 1304 1241 2.04      
24 A 1260 1200 0.81      
25 A 1204 1146 4.05      
26 A 1171 1114 8.60      
27 A 1079 1027 1.84      
28 A 1040 990 5.63      
29 A 1022 972 3.66      
30 A 986 938 3.88      
31 A 951 905 5.72      
32 A 852 811 104.39      
33 A 816 777 26.11      
34 A 774 736 4.64      
35 A 482 459 8.33      
36 A 455 433 5.95      
37 A 376 358 1.28      
38 A 291 277 36.92      
39 A 256 244 0.05      
40 A 231 219 5.19      
41 A 222 211 11.99      
42 A 108 103 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 33028.3 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 31436.4 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 mPW1PW91/6-31+G**
ABC
0.26246 0.11414 0.08770

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.572 1.375 -0.230
H2 -0.218 1.942 0.056
H3 1.408 1.845 0.099
C4 1.771 -0.721 -0.007
H5 1.910 -0.770 -1.091
H6 2.644 -0.221 0.424
H7 1.744 -1.740 0.388
C8 0.486 0.025 0.326
H9 0.375 0.037 1.426
C10 -0.733 -0.696 -0.250
H11 -0.615 -0.751 -1.338
H12 -0.728 -1.725 0.128
C13 -2.068 -0.043 0.093
H14 -2.904 -0.648 -0.268
H15 -2.169 0.944 -0.367
H16 -2.189 0.072 1.176

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01311.01372.42552.67072.69623.38561.46222.13782.44792.67583.38073.01454.02252.77773.3612
H21.01311.62943.32473.63263.60644.18562.05952.42002.70473.05833.70292.71393.74562.23142.9387
H31.01371.62942.59422.91632.42953.61272.05232.46903.34083.59164.16033.95604.99473.71764.1523
C42.42553.32472.59421.09391.09501.09341.52312.14012.51602.73252.69633.90044.68354.29264.2089
H52.67073.63262.91631.09391.77071.77752.16053.05702.77492.53753.05914.21434.88614.48304.7596
H62.69623.60642.42951.09501.77071.76662.17442.49453.47653.74313.70434.72785.60825.01494.9006
H73.38564.18563.61271.09341.77751.76662.16892.47232.76303.08632.48554.18374.82014.80504.4019
C81.46222.05952.05231.52312.16052.17442.16891.10591.52892.14132.13942.56623.50762.89362.8077
H92.13782.42002.46902.14013.05702.49452.47231.10592.13843.04022.45092.78443.75413.24162.5765
C102.44792.70473.34082.51602.77493.47652.76301.52892.13841.09631.09641.52552.17212.18292.1778
H112.67583.05833.59162.73252.53753.74313.08632.14133.04021.09631.76362.15932.52922.49613.0784
H123.38073.70294.16032.69633.05913.70432.48552.13942.45091.09641.76362.15132.46083.07372.5426
C133.01452.71393.95603.90044.21434.72784.18372.56622.78441.52552.15932.15131.09331.09401.0955
H144.02253.74564.99474.68354.88615.60824.82013.50763.75412.17212.52922.46081.09331.75691.7650
H152.77772.23143.71764.29264.48305.01494.80502.89363.24162.18292.49613.07371.09401.75691.7727
H163.36122.93874.15234.20894.75964.90064.40192.80772.57652.17783.07842.54261.09551.76501.7727

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 108.667 N1 C8 H9 111.952
N1 C8 C10 109.831 H2 N1 H3 107.003
H2 N1 C8 111.322 H3 N1 C8 110.673
C4 C8 H9 107.931 C4 C8 C10 111.049
H5 C4 H6 107.990 H5 C4 H7 108.706
H5 C4 C8 110.210 H6 C4 H7 107.658
H6 C4 C8 111.260 H7 C4 C8 110.910
C8 C10 H11 108.171 C8 C10 H12 108.024
C8 C10 C13 114.311 H9 C8 C10 107.410
C10 C13 H14 111.004 C10 C13 H15 111.824
C10 C13 H16 111.323 H11 C10 H12 107.089
H11 C10 C13 109.805 H12 C10 C13 109.184
H14 C13 H15 106.874 H14 C13 H16 107.482
H15 C13 H16 108.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.605      
2 H 0.289      
3 H 0.288      
4 C -0.664      
5 H 0.182      
6 H 0.156      
7 H 0.164      
8 C 0.065      
9 H 0.137      
10 C -0.177      
11 H 0.176      
12 H 0.157      
13 C -0.667      
14 H 0.172      
15 H 0.163      
16 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.054 0.085 1.285 1.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.244 0.350 1.132
y 0.350 -32.574 2.153
z 1.132 2.153 -36.259
Traceless
 xyz
x 1.173 0.350 1.132
y 0.350 2.178 2.153
z 1.132 2.153 -3.350
Polar
3z2-r2-6.700
x2-y2-0.670
xy0.350
xz1.132
yz2.153


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 150.751
(<r2>)1/2 12.278