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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-212.574883
Energy at 298.15K-212.587367
Nuclear repulsion energy195.063296
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 LSDA/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 3623 3549 2.83      
2 A 3500 3428 0.28      
3 A 3086 3023 23.35      
4 A 3075 3013 25.65      
5 A 3066 3004 25.37      
6 A 3059 2997 42.07      
7 A 3022 2960 9.81      
8 A 2977 2917 22.73      
9 A 2971 2911 42.96      
10 A 2968 2907 11.81      
11 A 2785 2729 113.40      
12 A 1629 1596 68.12      
13 A 1491 1461 14.29      
14 A 1479 1449 5.18      
15 A 1473 1443 9.82      
16 A 1465 1435 9.22      
17 A 1449 1419 1.86      
18 A 1385 1357 15.92      
19 A 1384 1356 8.63      
20 A 1380 1352 27.42      
21 A 1365 1337 30.07      
22 A 1312 1285 1.60      
23 A 1273 1247 1.94      
24 A 1236 1211 3.72      
25 A 1205 1180 1.75      
26 A 1161 1138 2.91      
27 A 1091 1068 1.24      
28 A 1039 1018 14.12      
29 A 994 974 1.54      
30 A 979 959 9.28      
31 A 951 931 4.83      
32 A 828 811 3.79      
33 A 780 764 3.16      
34 A 523 512 166.51      
35 A 477 467 35.80      
36 A 463 454 49.30      
37 A 374 367 2.08      
38 A 292 286 16.74      
39 A 258 253 6.19      
40 A 233 228 3.57      
41 A 202 198 29.42      
42 A 115 112 3.14      

Unscaled Zero Point Vibrational Energy (zpe) 32207.2 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 31553.4 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 LSDA/6-31G
ABC
0.26574 0.11675 0.08947

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.515 1.363 -0.178
H2 -0.307 1.940 -0.001
H3 1.399 1.861 -0.091
C4 1.775 -0.680 -0.026
H5 1.884 -0.686 -1.126
H6 2.652 -0.163 0.406
H7 1.779 -1.721 0.341
C8 0.483 0.019 0.343
H9 0.378 -0.017 1.463
C10 -0.715 -0.726 -0.230
H11 -0.565 -0.802 -1.325
H12 -0.711 -1.756 0.180
C13 -2.036 -0.047 0.072
H14 -2.894 -0.640 -0.288
H15 -2.095 0.939 -0.426
H16 -2.167 0.106 1.161

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01901.01912.40492.63982.69043.37301.44222.14882.42472.67803.37072.92543.95562.65533.2504
H21.01901.71033.34563.59923.65254.22662.10532.53812.70653.05613.72262.63523.66522.09262.8591
H31.01911.71032.56922.79132.43153.62772.10282.64283.34413.53264.19683.93334.97313.62944.1674
C42.40493.34562.56921.10531.10601.10381.51402.14622.49812.67932.71643.86404.67644.21334.1905
H52.63983.59922.79131.10531.79151.79832.14853.06852.74882.45973.09544.14794.85094.35394.7181
H62.69043.65252.43151.10601.79151.78712.17732.51183.47223.70903.72814.70135.60994.94354.8851
H73.37304.22663.62771.10381.79831.78712.16902.47452.74443.01892.49494.17424.83734.76084.4244
C81.44222.10532.10281.51402.14852.17732.16901.12521.52262.13512.14572.53473.49862.84332.7746
H92.14882.53812.64282.14623.06852.51182.47451.12522.13613.04682.42062.78663.76373.25542.5662
C102.42472.70653.34412.49812.74883.47222.74441.52262.13611.10861.10861.51582.18202.17162.1756
H112.67803.05613.53262.67932.45973.70903.01892.13513.04681.10861.78792.16472.55472.48623.0935
H123.37073.72264.19682.71643.09543.72812.49492.14572.42061.10861.78792.16542.49653.08992.5592
C132.92542.63523.93333.86404.14794.70134.17422.53472.78661.51582.16472.16541.10361.10631.1070
H143.95563.66524.97314.67644.85095.60994.83733.49863.76372.18202.55472.49651.10361.77541.7844
H152.65532.09263.62944.21334.35394.94354.76082.84333.25542.17162.48623.08991.10631.77541.7933
H163.25042.85914.16744.19054.71814.88514.42442.77462.56622.17563.09352.55921.10701.78441.7933

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 108.854 N1 C8 H9 113.058
N1 C8 C10 109.702 H2 N1 H3 114.100
H2 N1 C8 116.546 H3 N1 C8 116.322
C4 C8 H9 107.913 C4 C8 C10 110.703
H5 C4 H6 108.222 H5 C4 H7 108.982
H5 C4 C8 109.228 H6 C4 H7 107.943
H6 C4 C8 111.464 H7 C4 C8 110.929
C8 C10 H11 107.432 C8 C10 H12 108.239
C8 C10 C13 113.066 H9 C8 C10 106.594
C10 C13 H14 111.861 C10 C13 H15 110.858
C10 C13 H16 111.137 H11 C10 H12 107.489
H11 C10 C13 110.182 H12 C10 C13 110.235
H14 C13 H15 106.911 H14 C13 H16 107.645
H15 C13 H16 108.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.717      
2 H 0.297      
3 H 0.297      
4 C -0.497      
5 H 0.174      
6 H 0.152      
7 H 0.160      
8 C 0.001      
9 H 0.121      
10 C -0.261      
11 H 0.160      
12 H 0.143      
13 C -0.517      
14 H 0.168      
15 H 0.161      
16 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.108 0.508 0.851 0.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.320 0.601 0.486
y 0.601 -31.307 1.225
z 0.486 1.225 -35.869
Traceless
 xyz
x 1.268 0.601 0.486
y 0.601 2.787 1.225
z 0.486 1.225 -4.055
Polar
3z2-r2-8.111
x2-y2-1.013
xy0.601
xz0.486
yz1.225


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.578 0.080 -0.010
y 0.080 7.721 -0.202
z -0.010 -0.202 6.742


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000