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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-37.951302
Energy at 298.15K-37.964225
Nuclear repulsion energy112.621451
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 HF/CEP-121G
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 3854 3517 0.04      
2 A 3733 3406 0.87      
3 A 3242 2959 102.52      
4 A 3228 2946 79.58      
5 A 3220 2938 107.24      
6 A 3218 2936 36.31      
7 A 3197 2917 2.88      
8 A 3151 2875 31.24      
9 A 3137 2862 45.48      
10 A 3132 2858 64.28      
11 A 3067 2798 93.80      
12 A 1842 1681 62.14      
13 A 1649 1505 8.39      
14 A 1638 1494 6.89      
15 A 1637 1494 2.65      
16 A 1632 1489 4.33      
17 A 1623 1481 0.49      
18 A 1552 1416 3.37      
19 A 1550 1414 14.36      
20 A 1545 1410 3.71      
21 A 1513 1381 28.37      
22 A 1466 1338 3.89      
23 A 1408 1285 1.75      
24 A 1350 1232 3.66      
25 A 1299 1185 4.75      
26 A 1267 1156 9.44      
27 A 1145 1045 7.94      
28 A 1112 1015 5.11      
29 A 1090 995 2.47      
30 A 1074 980 4.34      
31 A 1002 914 5.94      
32 A 890 812 12.48      
33 A 831 759 0.22      
34 A 745 680 216.28      
35 A 510 466 12.41      
36 A 481 439 6.55      
37 A 398 363 0.72      
38 A 278 254 23.05      
39 A 273 249 0.01      
40 A 239 218 0.31      
41 A 211 193 36.99      
42 A 111 101 2.38      

Unscaled Zero Point Vibrational Energy (zpe) 34768.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 31726.5 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 HF/CEP-121G
ABC
0.25850 0.11204 0.08596

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.583 1.387 -0.212
H2 -0.190 1.986 -0.009
H3 1.457 1.843 -0.045
C4 1.789 -0.732 -0.002
H5 1.929 -0.780 -1.078
H6 2.652 -0.230 0.430
H7 1.763 -1.745 0.391
C8 0.488 0.018 0.332
H9 0.376 0.034 1.422
C10 -0.740 -0.707 -0.259
H11 -0.624 -0.751 -1.339
H12 -0.739 -1.731 0.110
C13 -2.092 -0.052 0.091
H14 -2.917 -0.659 -0.273
H15 -2.192 0.931 -0.362
H16 -2.211 0.056 1.168

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N10.99890.99982.44772.69442.70403.40121.47642.13202.47712.70163.40253.05234.05462.81613.3885
H20.99891.65373.36253.64523.63114.23032.10922.48582.75973.07443.75972.78923.80822.29043.0319
H30.99981.65372.59702.85852.44003.62742.10022.56803.37213.56844.19784.02525.04413.77454.2565
C42.44773.36252.59701.08611.08861.08681.53852.14742.54142.75792.71993.94064.71384.32914.2413
H52.69443.64522.85851.08611.76121.76592.16853.05372.79252.56613.07144.25004.91374.51904.7837
H62.70403.63112.44001.08861.76121.75702.18062.49683.49373.75953.72204.75945.62965.04414.9271
H73.40124.23033.62741.08681.76591.75702.17662.47972.78613.11072.51714.22064.84954.83404.4315
C81.47642.10922.10021.53852.16852.18062.17661.09571.54322.14952.14832.59193.52382.91502.8257
H92.13202.48582.56802.14743.05372.49682.47971.09572.14883.03932.46542.80503.76753.25312.5995
C102.47712.75973.37212.54142.79253.49372.78611.54322.14881.08721.08921.54242.17782.19122.1869
H112.70163.07443.56842.75792.56613.75953.11072.14953.03931.08721.75342.16532.53052.49863.0750
H123.40253.75974.19782.71993.07143.72202.51712.14832.46541.08921.75342.15682.45783.06972.5460
C133.05232.78924.02523.94064.25004.75944.22062.59192.80501.54242.16532.15681.08711.08691.0890
H144.05463.80825.04414.71384.91375.62964.84953.52383.76752.17782.53052.45781.08711.74981.7565
H152.81612.29043.77454.32914.51905.04414.83402.91503.25312.19122.49863.06971.08691.74981.7626
H163.38853.03194.25654.24134.78374.92714.43152.82572.59952.18693.07502.54601.08901.75651.7626

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 108.540 N1 C8 H9 111.111
N1 C8 C10 110.215 H2 N1 H3 111.671
H2 N1 C8 115.537 H3 N1 C8 114.662
C4 C8 H9 108.033 C4 C8 C10 111.108
H5 C4 H6 108.164 H5 C4 H7 108.723
H5 C4 C8 110.242 H6 C4 H7 107.733
H6 C4 C8 111.050 H7 C4 C8 110.834
C8 C10 H11 108.353 C8 C10 H12 108.144
C8 C10 C13 114.276 H9 C8 C10 107.824
C10 C13 H14 110.634 C10 C13 H15 111.723
C10 C13 H16 111.253 H11 C10 H12 107.338
H11 C10 C13 109.641 H12 C10 C13 108.859
H14 C13 H15 107.196 H14 C13 H16 107.648
H15 C13 H16 108.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.749      
2 H 0.286      
3 H 0.284      
4 C -0.503      
5 H 0.156      
6 H 0.136      
7 H 0.140      
8 C 0.170      
9 H 0.094      
10 C -0.187      
11 H 0.130      
12 H 0.114      
13 C -0.498      
14 H 0.149      
15 H 0.144      
16 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.051 0.148 1.223 1.233
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.221 0.456 0.923
y 0.456 -32.404 1.736
z 0.923 1.736 -36.386
Traceless
 xyz
x 1.174 0.456 0.923
y 0.456 2.399 1.736
z 0.923 1.736 -3.573
Polar
3z2-r2-7.147
x2-y2-0.817
xy0.456
xz0.923
yz1.736


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.397 0.002 0.010
y 0.002 7.575 -0.073
z 0.010 -0.073 6.919


<r2> (average value of r2) Å2
<r2> 129.234
(<r2>)1/2 11.368