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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-213.712813
Energy at 298.15K-213.725395
Nuclear repulsion energy194.885740
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 3588 3439 0.79      
2 A 3511 3365 3.09      
3 A 3131 3002 43.16      
4 A 3121 2992 43.93      
5 A 3113 2984 67.06      
6 A 3112 2983 23.46      
7 A 3081 2954 9.85      
8 A 3045 2919 41.20      
9 A 3041 2915 27.08      
10 A 3040 2914 28.20      
11 A 2930 2809 83.10      
12 A 1704 1634 52.98      
13 A 1521 1458 9.28      
14 A 1512 1450 5.19      
15 A 1508 1446 7.91      
16 A 1502 1440 4.77      
17 A 1481 1420 1.34      
18 A 1430 1371 6.85      
19 A 1409 1351 15.08      
20 A 1407 1349 5.45      
21 A 1387 1330 10.15      
22 A 1335 1280 1.84      
23 A 1308 1253 1.35      
24 A 1264 1212 0.45      
25 A 1203 1153 1.65      
26 A 1167 1119 13.26      
27 A 1076 1031 0.77      
28 A 1040 997 2.44      
29 A 1017 975 6.71      
30 A 983 943 2.99      
31 A 954 914 16.10      
32 A 881 844 115.25      
33 A 819 785 3.25      
34 A 769 737 1.47      
35 A 471 452 6.59      
36 A 451 432 6.87      
37 A 364 349 2.45      
38 A 284 272 34.71      
39 A 236 226 0.12      
40 A 229 219 4.39      
41 A 204 196 19.72      
42 A 101 97 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 32863.8 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 31503.3 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
0.26453 0.11554 0.08862

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 0.536 1.371 -0.234
H2 -0.234 1.925 0.123
H3 1.383 1.835 0.071
C4 1.775 -0.697 -0.019
H5 1.906 -0.719 -1.102
H6 2.644 -0.194 0.414
H7 1.768 -1.723 0.352
C8 0.487 0.024 0.334
H9 0.391 0.040 1.435
C10 -0.723 -0.719 -0.223
H11 -0.593 -0.815 -1.305
H12 -0.725 -1.733 0.191
C13 -2.052 -0.043 0.075
H14 -2.892 -0.655 -0.259
H15 -2.135 0.917 -0.438
H16 -2.182 0.132 1.147

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01321.01372.41992.64482.70483.38151.46222.13932.43912.68283.37622.96523.98162.71653.2909
H21.01321.61993.30553.61463.58584.16742.04322.37972.71063.11073.69082.68023.72392.22372.8392
H31.01371.61992.56392.85902.41423.59052.03792.46283.32343.58114.14593.91564.95863.67144.0953
C42.41993.30552.56391.09201.09341.09151.51812.13762.50612.69712.71403.88394.67374.25084.2077
H52.64483.61462.85901.09201.76661.77332.15193.05062.77172.50833.10154.18444.87204.40984.7430
H62.70483.58582.41421.09341.76661.76322.17042.48443.46673.71753.71054.71145.59644.98044.8928
H73.38154.16743.59051.09151.77331.76322.16732.48522.74663.02402.49824.18284.82044.77834.4361
C81.46222.04322.03791.51812.15192.17042.16731.10451.52482.13482.13892.55303.49712.87512.7919
H92.13932.37972.46282.13763.05062.48442.48521.10452.13643.03432.43652.79773.75963.26472.5913
C102.43912.71063.32342.50612.77173.46672.74661.52482.13641.09451.09471.52102.17092.17222.1750
H112.68283.11073.58112.69712.50833.71753.02402.13483.03431.09451.75952.15232.53162.47673.0722
H123.37623.69084.14592.71403.10153.71052.49822.13892.43651.09471.75952.15172.46233.06692.5526
C132.96522.68023.91563.88394.18444.71144.18282.55302.79771.52102.15232.15171.09131.09211.0940
H143.98163.72394.95864.67374.87205.59644.82043.49713.75962.17092.53162.46231.09131.75391.7609
H152.71652.22373.67144.25084.40984.98044.77832.87513.26472.17222.47673.06691.09211.75391.7695
H163.29092.83924.09534.20774.74304.89284.43612.79192.59132.17503.07222.55261.09401.76091.7695

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 108.562 N1 C8 H9 112.164
N1 C8 C10 109.471 H2 N1 H3 106.109
H2 N1 C8 109.927 H3 N1 C8 109.454
C4 C8 H9 108.146 C4 C8 C10 110.892
H5 C4 H6 107.876 H5 C4 H7 108.613
H5 C4 C8 109.993 H6 C4 H7 107.610
H6 C4 C8 111.381 H7 C4 C8 111.249
C8 C10 H11 108.058 C8 C10 H12 108.361
C8 C10 C13 113.903 H9 C8 C10 107.614
C10 C13 H14 111.346 C10 C13 H15 111.405
C10 C13 H16 111.518 H11 C10 H12 106.971
H11 C10 C13 109.683 H12 C10 C13 109.622
H14 C13 H15 106.893 H14 C13 H16 107.370
H15 C13 H16 108.086
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 -0.750      
2 H 0.325      
3 H 0.319      
4 C -0.638      
5 H 0.227      
6 H 0.209      
7 H 0.216      
8 C -0.116      
9 H 0.188      
10 C -0.388      
11 H 0.220      
12 H 0.208      
13 C -0.677      
14 H 0.224      
15 H 0.221      
16 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.067 0.221 1.285 1.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.321 0.597 0.928
y 0.597 -32.369 2.081
z 0.928 2.081 -35.798
Traceless
 xyz
x 0.763 0.597 0.928
y 0.597 2.191 2.081
z 0.928 2.081 -2.954
Polar
3z2-r2-5.907
x2-y2-0.952
xy0.597
xz0.928
yz2.081


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.115 -0.038 0.011
y -0.038 8.055 0.025
z 0.011 0.025 7.191


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