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

using model chemistry: LSDA/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-212.661739
Energy at 298.15K-212.674286
Nuclear repulsion energy195.328027
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/6-31+G**
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 3539 3486 3.90      
2 A 3442 3390 0.38      
3 A 3070 3024 18.64      
4 A 3065 3019 19.49      
5 A 3055 3009 20.63      
6 A 3047 3001 33.26      
7 A 3014 2969 8.74      
8 A 2971 2927 24.99      
9 A 2968 2923 41.56      
10 A 2963 2919 9.93      
11 A 2827 2784 88.08      
12 A 1581 1557 65.43      
13 A 1442 1421 15.15      
14 A 1431 1409 2.51      
15 A 1428 1406 15.86      
16 A 1419 1398 8.36      
17 A 1401 1380 2.07      
18 A 1373 1352 8.36      
19 A 1341 1321 27.07      
20 A 1338 1318 23.01      
21 A 1319 1299 8.76      
22 A 1267 1248 0.20      
23 A 1241 1223 1.62      
24 A 1202 1184 1.03      
25 A 1176 1159 4.05      
26 A 1126 1109 4.84      
27 A 1070 1054 0.43      
28 A 1020 1005 5.24      
29 A 977 962 6.24      
30 A 943 929 4.04      
31 A 926 912 6.78      
32 A 812 799 10.80      
33 A 775 763 84.75      
34 A 737 726 49.90      
35 A 472 465 8.10      
36 A 451 444 7.69      
37 A 368 363 2.33      
38 A 294 289 32.38      
39 A 257 253 3.30      
40 A 230 226 6.56      
41 A 216 213 10.03      
42 A 117 115 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 31854.7 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 31376.9 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/6-31+G**
ABC
0.26632 0.11692 0.08974

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.521 1.361 -0.222
H2 -0.303 1.908 0.044
H3 1.354 1.873 0.084
C4 1.771 -0.683 -0.017
H5 1.893 -0.712 -1.115
H6 2.648 -0.163 0.409
H7 1.773 -1.716 0.368
C8 0.484 0.023 0.331
H9 0.375 0.022 1.446
C10 -0.713 -0.718 -0.232
H11 -0.575 -0.797 -1.328
H12 -0.702 -1.748 0.173
C13 -2.033 -0.052 0.081
H14 -2.889 -0.651 -0.270
H15 -2.115 0.935 -0.410
H16 -2.158 0.097 1.170

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02441.02432.40462.64112.69213.37431.44862.14412.41762.66093.36422.93473.95992.67693.2731
H21.02441.65833.31933.60963.62404.18912.06262.44532.67183.04523.67972.61423.65172.10622.8258
H31.02431.65832.59092.89912.43413.62442.05912.49793.32903.58324.16443.89584.94983.62754.0825
C42.40463.31932.59091.10481.10471.10321.50902.14202.49372.68992.69953.85804.66754.22784.1782
H52.64113.60962.89911.10481.78721.79512.14863.06612.75142.47823.07654.15734.85654.38994.7207
H62.69213.62402.43411.10471.78721.78362.17392.50573.46633.71583.71344.69445.60024.95644.8730
H73.37434.18913.62441.10321.79511.78362.16512.47772.74473.03822.48204.16404.82414.76944.4025
C81.44862.06262.05911.50902.14862.17392.16511.12001.51572.13202.13692.53063.49182.85212.7727
H92.14412.44532.49792.14203.06612.50572.47771.12002.13173.04412.43132.76873.74833.23662.5486
C102.41762.67183.32902.49372.75143.46632.74471.51572.13171.10801.10681.51192.17762.17472.1721
H112.66093.04523.58322.68992.47823.71583.03822.13203.04411.10801.78182.16112.54902.49283.0900
H123.36423.67974.16442.69953.07653.71342.48202.13692.43131.10681.78182.15872.48683.08782.5534
C132.93472.61423.89583.85804.15734.69444.16402.53062.76871.51192.16112.15871.10251.10501.1060
H143.95993.65174.94984.66754.85655.60024.82413.49183.74832.17762.54902.48681.10251.77041.7803
H152.67692.10623.62754.22784.38994.95644.76942.85213.23662.17472.49283.08781.10501.77041.7891
H163.27312.82584.08254.17824.72074.87304.40252.77272.54862.17213.09002.55341.10601.78031.7891

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 108.769 N1 C8 H9 112.548
N1 C8 C10 109.266 H2 N1 H3 108.073
H2 N1 C8 111.889 H3 N1 C8 111.594
C4 C8 H9 108.213 C4 C8 C10 111.064
H5 C4 H6 107.970 H5 C4 H7 108.779
H5 C4 C8 109.607 H6 C4 H7 107.763
H6 C4 C8 111.616 H7 C4 C8 111.007
C8 C10 H11 107.685 C8 C10 H12 108.125
C8 C10 C13 113.404 H9 C8 C10 106.992
C10 C13 H14 111.847 C10 C13 H15 111.461
C10 C13 H16 111.188 H11 C10 H12 107.119
H11 C10 C13 110.198 H12 C10 C13 110.079
H14 C13 H15 106.646 H14 C13 H16 107.436
H15 C13 H16 108.029
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.614      
2 H 0.292      
3 H 0.297      
4 C -0.699      
5 H 0.200      
6 H 0.173      
7 H 0.182      
8 C -0.012      
9 H 0.154      
10 C -0.179      
11 H 0.190      
12 H 0.174      
13 C -0.712      
14 H 0.190      
15 H 0.179      
16 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.059 0.161 1.198 1.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.542 0.431 1.018
y 0.431 -32.949 2.015
z 1.018 2.015 -37.048
Traceless
 xyz
x 1.456 0.431 1.018
y 0.431 2.347 2.015
z 1.018 2.015 -3.803
Polar
3z2-r2-7.606
x2-y2-0.594
xy0.431
xz1.018
yz2.015


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.027 -0.022 -0.036
y -0.022 9.032 -0.073
z -0.036 -0.073 8.551


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