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

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-213.680945
Energy at 298.15K-213.693402
Nuclear repulsion energy192.040791
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 BLYP/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 3436 3418 1.62      
2 A 3364 3346 4.23      
3 A 3034 3017 38.82      
4 A 3021 3004 43.00      
5 A 3016 3000 47.51      
6 A 3015 2998 26.68      
7 A 2981 2965 10.66      
8 A 2956 2939 27.19      
9 A 2953 2937 38.47      
10 A 2945 2929 18.04      
11 A 2817 2801 76.43      
12 A 1616 1607 26.99      
13 A 1473 1465 4.48      
14 A 1464 1456 2.09      
15 A 1462 1454 2.11      
16 A 1454 1446 1.79      
17 A 1437 1429 0.27      
18 A 1371 1364 3.72      
19 A 1370 1363 5.10      
20 A 1366 1358 0.63      
21 A 1342 1335 15.80      
22 A 1301 1294 8.62      
23 A 1265 1258 2.05      
24 A 1230 1223 0.30      
25 A 1157 1150 1.95      
26 A 1122 1116 7.04      
27 A 1023 1018 1.89      
28 A 993 988 4.04      
29 A 990 984 5.10      
30 A 957 952 1.27      
31 A 917 912 17.86      
32 A 842 837 88.65      
33 A 788 783 2.53      
34 A 741 737 3.19      
35 A 463 461 6.33      
36 A 436 434 4.42      
37 A 361 359 0.89      
38 A 277 276 29.48      
39 A 245 243 0.09      
40 A 217 216 4.74      
41 A 215 214 9.07      
42 A 97 96 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 31763.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 31589.2 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 BLYP/6-31G(2df,p)
ABC
0.25634 0.11133 0.08563

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.588 1.393 -0.244
H2 -0.197 1.960 0.093
H3 1.427 1.849 0.129
C4 1.789 -0.736 -0.003
H5 1.944 -0.779 -1.092
H6 2.667 -0.238 0.444
H7 1.753 -1.764 0.389
C8 0.491 0.025 0.328
H9 0.374 0.035 1.436
C10 -0.745 -0.698 -0.259
H11 -0.633 -0.741 -1.357
H12 -0.739 -1.739 0.107
C13 -2.095 -0.043 0.099
H14 -2.938 -0.638 -0.287
H15 -2.187 0.966 -0.335
H16 -2.223 0.044 1.192

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02491.02572.45622.69682.73073.42441.48582.17122.47922.69803.41953.06214.06872.80913.4324
H21.02491.62763.34933.67213.62664.21382.06642.41542.73613.09603.73842.75943.79552.26582.9971
H31.02571.62762.61372.94372.44843.63762.06002.47163.36973.62754.19163.99825.04083.74944.2084
C42.45623.34932.61371.10161.10301.10111.54082.16032.54752.77502.72233.94714.73674.33814.2582
H52.69683.67212.94371.10161.78201.78972.18503.08542.81592.59033.09164.27484.94964.54764.8223
H62.73073.62662.44841.10301.78201.77932.19482.51283.51353.79243.73704.77845.66615.06144.9546
H73.42444.21383.63761.10111.78971.77932.19062.49712.79263.12872.50824.22584.87154.84824.4411
C81.48582.06642.06001.54082.18502.19482.19061.11461.54742.16512.16202.59713.54592.91502.8481
H92.17122.41542.47162.16033.08542.51282.49711.11462.15993.06892.48092.80953.79383.25072.6089
C102.47922.73613.36972.54752.81593.51352.79261.54742.15991.10391.10411.54302.19402.20302.2000
H112.69803.09603.62752.77502.59033.79243.12872.16513.06891.10391.77492.17832.54342.52423.1045
H123.41953.73844.19162.72233.09163.73702.50822.16202.48091.10411.77492.17202.49073.10002.5609
C133.06212.75943.99823.94714.27484.77844.22582.59712.80951.54302.17832.17201.10141.10201.1034
H144.06873.79555.04084.73674.94965.66614.87153.54593.79382.19402.54342.49071.10141.77121.7779
H152.80912.26583.74944.33814.54765.06144.84822.91503.25072.20302.52423.10001.10201.77121.7840
H163.43242.99714.20844.25824.82234.95464.44112.84812.60892.20003.10452.56091.10341.77791.7840

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 108.483 N1 C8 H9 112.437
N1 C8 C10 109.623 H2 N1 H3 105.067
H2 N1 C8 109.412 H3 N1 C8 108.835
C4 C8 H9 107.807 C4 C8 C10 111.156
H5 C4 H6 107.855 H5 C4 H7 108.677
H5 C4 C8 110.455 H6 C4 H7 107.657
H6 C4 C8 111.147 H7 C4 C8 110.933
C8 C10 H11 108.329 C8 C10 H12 108.084
C8 C10 C13 114.357 H9 C8 C10 107.346
C10 C13 H14 111.031 C10 C13 H15 111.716
C10 C13 H16 111.391 H11 C10 H12 107.004
H11 C10 C13 109.653 H12 C10 C13 109.152
H14 C13 H15 107.006 H14 C13 H16 107.493
H15 C13 H16 107.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.468      
2 H 0.204      
3 H 0.201      
4 C -0.341      
5 H 0.108      
6 H 0.087      
7 H 0.095      
8 C 0.086      
9 H 0.030      
10 C -0.093      
11 H 0.083      
12 H 0.070      
13 C -0.359      
14 H 0.098      
15 H 0.104      
16 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.024 0.160 1.088 1.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.259 0.357 0.955
y 0.357 -32.406 1.918
z 0.955 1.918 -35.294
Traceless
 xyz
x 0.591 0.357 0.955
y 0.357 1.870 1.918
z 0.955 1.918 -2.462
Polar
3z2-r2-4.923
x2-y2-0.853
xy0.357
xz0.955
yz1.918


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.186 0.004 0.037
y 0.004 8.110 0.024
z 0.037 0.024 7.010


<r2> (average value of r2) Å2
<r2> 153.579
(<r2>)1/2 12.393