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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G4
 hartrees
Energy at 0K-213.620510
Energy at 298.15K-213.612584
HF Energy-213.822347
Nuclear repulsion energy193.561179
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 B3LYP/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 3564 3439 0.14      
2 A 3489 3367 1.27      
3 A 3112 3003 37.00      
4 A 3101 2992 38.89      
5 A 3095 2987 43.72      
6 A 3094 2986 27.20      
7 A 3061 2954 9.54      
8 A 3030 2924 29.71      
9 A 3027 2921 33.10      
10 A 3023 2917 14.77      
11 A 2905 2804 72.11      
12 A 1658 1600 33.54      
13 A 1510 1457 5.48      
14 A 1501 1448 1.94      
15 A 1498 1446 3.35      
16 A 1491 1439 2.16      
17 A 1476 1424 0.29      
18 A 1417 1368 5.22      
19 A 1408 1358 7.10      
20 A 1407 1357 2.45      
21 A 1385 1337 14.62      
22 A 1338 1291 6.12      
23 A 1300 1254 1.88      
24 A 1261 1217 0.53      
25 A 1193 1152 1.71      
26 A 1162 1121 9.76      
27 A 1061 1024 1.86      
28 A 1026 990 3.08      
29 A 1017 981 4.91      
30 A 982 948 2.11      
31 A 943 910 11.55      
32 A 868 838 102.32      
33 A 811 783 3.62      
34 A 766 740 2.23      
35 A 477 460 6.59      
36 A 450 434 4.80      
37 A 371 358 0.91      
38 A 287 277 29.76      
39 A 254 245 0.05      
40 A 224 216 0.49      
41 A 221 213 14.94      
42 A 101 97 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 32681.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 31537.6 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 B3LYP/6-31G(2df,p)
ABC
0.26051 0.11322 0.08702

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.577 1.381 -0.238
H2 -0.203 1.946 0.085
H3 1.414 1.839 0.112
C4 1.777 -0.726 -0.005
H5 1.925 -0.771 -1.089
H6 2.649 -0.228 0.433
H7 1.746 -1.748 0.386
C8 0.487 0.026 0.326
H9 0.375 0.037 1.427
C10 -0.737 -0.697 -0.252
H11 -0.623 -0.751 -1.342
H12 -0.732 -1.729 0.122
C13 -2.077 -0.042 0.095
H14 -2.915 -0.638 -0.280
H15 -2.168 0.954 -0.350
H16 -2.204 0.058 1.179

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01541.01622.43642.67762.70843.39801.47042.14942.45922.68383.39363.03034.03412.78003.3900
H21.01541.62033.32683.64433.60304.18692.05402.40362.71743.07903.71262.73223.76362.24332.9602
H31.01621.62032.59402.91812.43003.61302.04732.46093.34583.60154.16413.96595.00313.71814.1710
C42.43643.32682.59401.09481.09611.09431.52942.14492.52672.74772.70553.91614.70124.30194.2269
H52.67763.64432.91811.09481.77121.77862.16853.06362.79132.56053.07324.23664.90874.50214.7830
H62.70843.60302.43001.09611.77121.76862.17952.49633.48713.75973.71324.74265.62525.02174.9186
H73.39804.18693.61301.09431.77861.76862.17592.48002.77093.09762.49284.19684.83774.81274.4150
C81.47042.05402.04731.52942.16852.17952.17591.10701.53552.14912.14722.57623.51952.89302.8235
H92.14942.40362.46092.14493.06362.49632.48001.10702.14403.04712.45992.79203.76793.23502.5906
C102.45922.71743.34582.52672.79133.48712.77091.53552.14401.09701.09711.53172.17902.18732.1844
H112.68383.07903.60152.74772.56053.75973.09762.14913.04711.09701.76372.16352.52832.50503.0837
H123.39363.71264.16412.70553.07323.71322.49282.14722.45991.09711.76372.15752.47303.07932.5453
C133.03032.73223.96593.91614.23664.74264.19682.57622.79201.53172.16352.15751.09441.09501.0965
H144.03413.76365.00314.70124.90875.62524.83773.51953.76792.17902.52832.47301.09441.76031.7671
H152.78002.24333.71814.30194.50215.02174.81272.89303.23502.18732.50503.07931.09501.76031.7731
H163.39002.96024.17104.22694.78304.91864.41502.82352.59062.18443.08372.54531.09651.76711.7731

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 108.687 N1 C8 H9 112.354
N1 C8 C10 109.789 H2 N1 H3 106.558
H2 N1 C8 110.730 H3 N1 C8 110.106
C4 C8 H9 107.757 C4 C8 C10 110.963
H5 C4 H6 107.933 H5 C4 H7 108.700
H5 C4 C8 110.309 H6 C4 H7 107.692
H6 C4 C8 111.115 H7 C4 C8 110.985
C8 C10 H11 108.244 C8 C10 H12 108.231
C8 C10 C13 114.248 H9 C8 C10 107.287
C10 C13 H14 110.933 C10 C13 H15 111.678
C10 C13 H16 111.318 H11 C10 H12 107.096
H11 C10 C13 109.616 H12 C10 C13 109.160
H14 C13 H15 107.115 H14 C13 H16 107.548
H15 C13 H16 108.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.517      
2 H 0.223      
3 H 0.220      
4 C -0.378      
5 H 0.123      
6 H 0.102      
7 H 0.110      
8 C 0.068      
9 H 0.049      
10 C -0.132      
11 H 0.100      
12 H 0.088      
13 C -0.397      
14 H 0.114      
15 H 0.118      
16 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.015 0.167 1.104 1.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 151.320
(<r2>)1/2 12.301