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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-213.746249
Energy at 298.15K-213.758955
Nuclear repulsion energy194.302658
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 mPW1PW91/6-31G*
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 3605 3419 0.23      
2 A 3517 3335 1.80      
3 A 3162 2999 33.39      
4 A 3150 2988 37.70      
5 A 3144 2981 45.74      
6 A 3143 2981 27.10      
7 A 3111 2951 9.26      
8 A 3071 2912 32.20      
9 A 3067 2909 31.65      
10 A 3066 2908 17.46      
11 A 2947 2795 81.17      
12 A 1708 1620 42.05      
13 A 1544 1464 8.57      
14 A 1534 1454 2.82      
15 A 1531 1452 5.54      
16 A 1524 1445 3.53      
17 A 1507 1430 0.72      
18 A 1453 1378 5.95      
19 A 1438 1364 9.76      
20 A 1434 1360 8.94      
21 A 1411 1338 13.03      
22 A 1355 1285 3.62      
23 A 1321 1253 1.65      
24 A 1280 1214 0.38      
25 A 1218 1155 1.60      
26 A 1184 1123 13.24      
27 A 1089 1033 1.42      
28 A 1052 997 2.73      
29 A 1033 980 6.98      
30 A 997 945 3.83      
31 A 964 915 13.55      
32 A 894 848 117.79      
33 A 828 785 3.75      
34 A 780 740 1.12      
35 A 482 457 8.04      
36 A 457 434 5.80      
37 A 376 356 0.75      
38 A 304 288 41.15      
39 A 259 245 0.54      
40 A 234 222 6.12      
41 A 225 213 11.91      
42 A 104 99 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 33251.2 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 31532.1 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 mPW1PW91/6-31G*
ABC
0.26296 0.11438 0.08791

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.564 1.373 -0.237
H2 -0.219 1.932 0.089
H3 1.399 1.838 0.108
C4 1.772 -0.716 -0.010
H5 1.910 -0.753 -1.095
H6 2.646 -0.216 0.424
H7 1.748 -1.739 0.376
C8 0.487 0.027 0.329
H9 0.380 0.038 1.431
C10 -0.730 -0.701 -0.242
H11 -0.610 -0.767 -1.329
H12 -0.728 -1.728 0.145
C13 -2.066 -0.043 0.088
H14 -2.902 -0.648 -0.272
H15 -2.157 0.941 -0.382
H16 -2.192 0.084 1.170

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01551.01632.42402.65862.70163.38601.46242.14462.44562.67463.38123.00444.01302.75893.3528
H21.01551.62133.31433.62513.59664.17462.04542.39742.70283.07393.69532.70333.73992.22662.9118
H31.01631.62132.58342.90182.42363.60382.03962.45533.33273.59034.15223.94254.98303.70024.1358
C42.42403.31432.58341.09431.09581.09401.52292.14062.51352.72342.70163.89784.68254.28054.2132
H52.65863.62512.90181.09431.77121.77862.15903.05702.77542.53053.07364.20844.88324.46294.7602
H62.70163.59662.42361.09581.77121.76812.17492.49243.47533.73853.70714.72665.60835.00574.9046
H73.38604.17463.60381.09401.77861.76812.17082.47802.75693.06782.48644.18384.82034.79674.4136
C81.46242.04542.03961.52292.15902.17492.17081.10711.52912.14092.14212.56473.50762.88632.8087
H92.14462.39742.45532.14063.05702.49242.47801.10712.13923.04072.44872.79093.76093.24652.5860
C102.44562.70283.33272.51352.77543.47532.75691.52912.13921.09651.09691.52512.17272.18032.1786
H112.67463.07393.59032.72342.53053.73853.06782.14093.04071.09651.76412.15762.52752.49213.0783
H123.38123.69534.15222.70163.07363.70712.48642.14212.44871.09691.76412.15262.46363.07352.5450
C133.00442.70333.94253.89784.20844.72664.18382.56472.79091.52512.15762.15261.09401.09461.0962
H144.01303.73994.98304.68254.88325.60834.82033.50763.76092.17272.52752.46361.09401.75921.7662
H152.75892.22663.70024.28054.46295.00574.79672.88633.24652.18032.49213.07351.09461.75921.7738
H163.35282.91184.13584.21324.76024.90464.41362.80872.58602.17863.07832.54501.09621.76621.7738

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 108.559 N1 C8 H9 112.425
N1 C8 C10 109.656 H2 N1 H3 105.877
H2 N1 C8 109.956 H3 N1 C8 109.430
C4 C8 H9 107.917 C4 C8 C10 110.883
H5 C4 H6 107.946 H5 C4 H7 108.730
H5 C4 C8 110.083 H6 C4 H7 107.691
H6 C4 C8 111.252 H7 C4 C8 111.034
C8 C10 H11 108.122 C8 C10 H12 108.194
C8 C10 C13 114.226 H9 C8 C10 107.403
C10 C13 H14 111.042 C10 C13 H15 111.610
C10 C13 H16 111.380 H11 C10 H12 107.076
H11 C10 C13 109.697 H12 C10 C13 109.276
H14 C13 H15 106.987 H14 C13 H16 107.491
H15 C13 H16 108.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.756      
2 H 0.317      
3 H 0.313      
4 C -0.516      
5 H 0.183      
6 H 0.160      
7 H 0.168      
8 C -0.012      
9 H 0.132      
10 C -0.293      
11 H 0.172      
12 H 0.157      
13 C -0.536      
14 H 0.175      
15 H 0.173      
16 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.012 0.205 1.286 1.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.614 0.396 1.026
y 0.396 -31.722 2.218
z 1.026 2.218 -35.155
Traceless
 xyz
x 0.824 0.396 1.026
y 0.396 2.163 2.218
z 1.026 2.218 -2.986
Polar
3z2-r2-5.973
x2-y2-0.892
xy0.396
xz1.026
yz2.218


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> 149.936
(<r2>)1/2 12.245