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

using model chemistry: LSDA/3-21G*

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/3-21G*
 hartrees
Energy at 0K-211.480579
Energy at 298.15K-211.493172
Nuclear repulsion energy195.202022
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/3-21G*
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 3456 3394 0.09      
2 A 3350 3290 1.26      
3 A 3077 3022 16.18      
4 A 3067 3012 16.90      
5 A 3056 3001 35.37      
6 A 3056 3001 13.03      
7 A 3028 2973 3.52      
8 A 2979 2925 32.75      
9 A 2976 2923 7.18      
10 A 2971 2918 14.06      
11 A 2807 2756 86.96      
12 A 1642 1612 46.18      
13 A 1516 1489 15.88      
14 A 1500 1473 6.05      
15 A 1494 1467 9.26      
16 A 1481 1455 9.21      
17 A 1457 1430 3.98      
18 A 1386 1361 9.44      
19 A 1380 1355 37.08      
20 A 1373 1349 9.87      
21 A 1362 1337 20.61      
22 A 1315 1291 0.25      
23 A 1286 1263 4.11      
24 A 1239 1217 1.13      
25 A 1200 1179 1.58      
26 A 1142 1121 1.48      
27 A 1072 1053 3.12      
28 A 1034 1016 8.88      
29 A 1004 986 4.64      
30 A 989 971 8.99      
31 A 946 929 5.15      
32 A 826 811 3.19      
33 A 779 765 9.97      
34 A 630 619 178.22      
35 A 474 466 3.73      
36 A 464 455 15.25      
37 A 374 368 0.48      
38 A 330 324 15.08      
39 A 254 249 5.02      
40 A 242 238 1.67      
41 A 204 201 43.56      
42 A 110 108 12.11      

Unscaled Zero Point Vibrational Energy (zpe) 32163.4 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 31584.5 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/3-21G*
ABC
0.26558 0.11791 0.09034

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.478 1.358 -0.206
H2 -0.304 1.935 0.137
H3 1.377 1.846 -0.072
C4 1.779 -0.658 -0.036
H5 1.863 -0.611 -1.137
H6 2.653 -0.144 0.407
H7 1.791 -1.713 0.290
C8 0.481 0.017 0.364
H9 0.391 -0.012 1.482
C10 -0.704 -0.753 -0.209
H11 -0.534 -0.835 -1.300
H12 -0.710 -1.771 0.226
C13 -2.023 -0.045 0.057
H14 -2.882 -0.626 -0.319
H15 -2.023 0.932 -0.462
H16 -2.169 0.123 1.141

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.03081.03152.40602.58142.71313.37641.45722.17652.41882.65183.37482.87933.90382.54993.2163
H21.03081.69633.33133.57843.62454.20952.08502.46682.73923.12963.72942.62293.66252.07852.7869
H31.03151.69632.53672.72182.41173.60102.08252.61593.33153.51414.18643.89214.93063.54214.1245
C42.40603.33132.53671.10501.10621.10381.51712.15692.49072.64252.73923.85264.67054.14374.1936
H52.58143.57842.72181.10501.79631.80392.13483.06412.73282.41343.13424.10444.81534.23564.6889
H62.71313.62452.41171.10621.79631.79392.17762.50783.46613.68103.73984.68965.60314.87594.8843
H73.37644.20953.60101.10381.80391.79392.17102.50502.71902.95042.50224.16924.83654.70184.4471
C81.45722.08502.08251.51712.13482.17762.17101.12251.52472.12792.15302.52373.49212.79132.7638
H92.17652.46682.61592.15693.06412.50782.50501.12252.14653.04592.42552.80363.78643.24032.5859
C102.41882.73923.33152.49072.73283.46612.71901.52472.14651.10731.10761.52082.18532.15492.1766
H112.65183.12963.51412.64252.41343.68102.95042.12793.04591.10731.79912.16382.55322.45813.0904
H123.37483.72944.18642.73923.13423.73982.50222.15302.42551.10761.79912.17572.51583.08302.5603
C132.87932.62293.89213.85264.10444.68964.16922.52372.80361.52082.16382.17571.10361.10571.1071
H143.90383.66254.93064.67054.81535.60314.83653.49213.78642.18532.55322.51581.10361.78481.7898
H152.54992.07853.54214.14374.23564.87594.70182.79133.24032.15492.45813.08301.10571.78481.8013
H163.21632.78694.12454.19364.68894.88434.44712.76382.58592.17663.09042.56031.10711.78981.8013

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 107.967 N1 C8 H9 114.446
N1 C8 C10 108.399 H2 N1 H3 110.680
H2 N1 C8 112.739 H3 N1 C8 112.482
C4 C8 H9 108.676 C4 C8 C10 109.935
H5 C4 H6 108.652 H5 C4 H7 109.511
H5 C4 C8 107.977 H6 C4 H7 108.531
H6 C4 C8 111.257 H7 C4 C8 110.876
C8 C10 H11 106.823 C8 C10 H12 108.717
C8 C10 C13 111.927 H9 C8 C10 107.380
C10 C13 H14 111.769 C10 C13 H15 109.239
C10 C13 H16 110.867 H11 C10 H12 108.638
H11 C10 C13 109.842 H12 C10 C13 110.763
H14 C13 H15 107.774 H14 C13 H16 108.118
H15 C13 H16 108.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.648      
2 H 0.278      
3 H 0.275      
4 C -0.606      
5 H 0.223      
6 H 0.198      
7 H 0.209      
8 C -0.120      
9 H 0.170      
10 C -0.374      
11 H 0.216      
12 H 0.194      
13 C -0.641      
14 H 0.215      
15 H 0.210      
16 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.279 0.572 1.054 1.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.466 0.727 0.405
y 0.727 -31.255 1.694
z 0.405 1.694 -35.431
Traceless
 xyz
x 0.877 0.727 0.405
y 0.727 2.693 1.694
z 0.405 1.694 -3.570
Polar
3z2-r2-7.140
x2-y2-1.211
xy0.727
xz0.405
yz1.694


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.191 0.080 -0.047
y 0.080 7.289 -0.131
z -0.047 -0.131 6.316


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