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

using model chemistry: LSDA/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-212.652523
Energy at 298.15K-212.665072
Nuclear repulsion energy195.798971
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(2df,p)
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 3515 3458 1.04      
2 A 3428 3374 0.53      
3 A 3071 3022 15.79      
4 A 3065 3016 16.33      
5 A 3054 3005 17.94      
6 A 3049 3000 26.47      
7 A 3013 2965 8.84      
8 A 2971 2924 19.22      
9 A 2969 2922 30.96      
10 A 2963 2915 8.60      
11 A 2817 2772 74.55      
12 A 1574 1548 46.77      
13 A 1436 1413 9.97      
14 A 1425 1402 1.79      
15 A 1421 1398 8.93      
16 A 1410 1388 3.89      
17 A 1393 1370 1.69      
18 A 1370 1348 6.51      
19 A 1337 1315 22.39      
20 A 1329 1308 17.23      
21 A 1315 1294 1.79      
22 A 1267 1247 0.65      
23 A 1242 1222 1.24      
24 A 1207 1187 0.68      
25 A 1179 1160 1.67      
26 A 1128 1110 8.08      
27 A 1074 1057 0.22      
28 A 1026 1009 2.34      
29 A 976 960 5.60      
30 A 943 928 2.02      
31 A 929 914 10.95      
32 A 813 800 59.88      
33 A 805 793 55.10      
34 A 741 729 7.98      
35 A 466 459 5.60      
36 A 448 441 7.52      
37 A 363 357 1.87      
38 A 302 297 24.18      
39 A 254 250 5.67      
40 A 227 223 4.76      
41 A 216 212 11.90      
42 A 113 111 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 31820.1 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 31311.0 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(2df,p)
ABC
0.26754 0.11777 0.09039

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.508 1.357 -0.232
H2 -0.302 1.894 0.088
H3 1.339 1.860 0.092
C4 1.769 -0.673 -0.019
H5 1.891 -0.691 -1.115
H6 2.644 -0.154 0.411
H7 1.774 -1.710 0.356
C8 0.482 0.026 0.334
H9 0.376 0.024 1.449
C10 -0.708 -0.725 -0.224
H11 -0.567 -0.816 -1.318
H12 -0.698 -1.751 0.190
C13 -2.025 -0.051 0.076
H14 -2.883 -0.645 -0.277
H15 -2.090 0.932 -0.421
H16 -2.155 0.107 1.162

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02351.02352.39942.62452.69373.36941.44662.14912.41142.65623.36012.91433.93802.63933.2555
H21.02351.64123.30053.59763.60224.16782.04092.41012.66913.06433.66772.59843.63852.09312.7893
H31.02351.64122.57182.87572.42073.60582.03872.47753.31243.57444.14653.86854.92253.58884.0526
C42.39943.30052.57181.10371.10391.10221.50672.14002.48602.67662.70003.84564.65924.19884.1716
H52.62453.59762.87571.10371.78431.79352.14513.06302.74822.46973.08724.14324.84774.35504.7115
H62.69373.60222.42071.10391.78431.78312.17042.49993.45843.70573.70984.68125.59054.92714.8639
H73.36944.16783.60581.10221.79351.78312.16402.48092.73223.01332.47774.15444.81894.74474.4033
C81.44662.04092.03871.50672.14512.17042.16401.11971.51362.12992.13752.52093.48482.82932.7651
H92.14912.41012.47752.14003.06302.49992.48091.11972.12933.04112.42652.76623.74763.22522.5486
C102.41142.66913.31242.48602.74823.45842.73221.51362.12931.10691.10571.50952.17722.16702.1699
H112.65623.06433.57442.67662.46973.70573.01332.12993.04111.10691.77902.15742.54522.48553.0864
H123.36013.66774.14652.70003.08723.70982.47772.13752.42651.10571.77902.15912.49323.08362.5537
C132.91432.59843.86853.84564.14324.68124.15442.52092.76621.50952.15742.15911.10161.10401.1050
H143.93803.63854.92254.65924.84775.59054.81893.48483.74762.17722.54522.49321.10161.77081.7792
H152.63932.09313.58884.19884.35504.92714.74472.82933.22522.16702.48553.08361.10401.77081.7868
H163.25552.78934.05264.17164.71154.86394.40332.76512.54862.16993.08642.55371.10501.77921.7868

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 108.657 N1 C8 H9 113.120
N1 C8 C10 109.079 H2 N1 H3 106.601
H2 N1 C8 110.257 H3 N1 C8 110.070
C4 C8 H9 108.236 C4 C8 C10 110.791
H5 C4 H6 107.843 H5 C4 H7 108.789
H5 C4 C8 109.555 H6 C4 H7 107.854
H6 C4 C8 111.552 H7 C4 C8 111.145
C8 C10 H11 107.729 C8 C10 H12 108.376
C8 C10 C13 112.998 H9 C8 C10 106.964
C10 C13 H14 112.042 C10 C13 H15 111.071
C10 C13 H16 111.247 H11 C10 H12 107.035
H11 C10 C13 110.139 H12 C10 C13 110.348
H14 C13 H15 106.813 H14 C13 H16 107.478
H15 C13 H16 107.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.521      
2 H 0.244      
3 H 0.245      
4 C -0.482      
5 H 0.153      
6 H 0.134      
7 H 0.142      
8 C 0.015      
9 H 0.074      
10 C -0.187      
11 H 0.128      
12 H 0.118      
13 C -0.503      
14 H 0.149      
15 H 0.150      
16 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.001 0.274 1.030 1.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.811 0.503 0.784
y 0.503 -31.904 1.765
z 0.784 1.765 -35.203
Traceless
 xyz
x 0.743 0.503 0.784
y 0.503 2.103 1.765
z 0.784 1.765 -2.846
Polar
3z2-r2-5.692
x2-y2-0.907
xy0.503
xz0.784
yz1.765


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.145 0.023 0.023
y 0.023 8.089 -0.001
z 0.023 -0.001 7.089


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