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

using model chemistry: B3LYP/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 B3LYP/CEP-121G
 hartrees
Energy at 0K-39.081295
Energy at 298.15K-39.093770
Nuclear repulsion energy111.714078
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/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3606 3514 1.12      
2 A 3482 3394 4.49      
3 A 3082 3004 72.71      
4 A 3066 2988 76.52      
5 A 3062 2984 81.28      
6 A 3060 2982 34.90      
7 A 3031 2954 5.86      
8 A 2984 2908 31.90      
9 A 2977 2901 37.83      
10 A 2975 2899 58.42      
11 A 2860 2787 107.60      
12 A 1691 1648 52.60      
13 A 1532 1493 9.74      
14 A 1520 1482 6.87      
15 A 1519 1480 4.13      
16 A 1511 1473 5.54      
17 A 1497 1459 1.00      
18 A 1424 1388 17.19      
19 A 1423 1386 2.23      
20 A 1406 1371 4.13      
21 A 1382 1347 27.17      
22 A 1341 1307 4.64      
23 A 1297 1264 2.40      
24 A 1243 1211 2.43      
25 A 1194 1164 4.43      
26 A 1162 1133 4.40      
27 A 1057 1031 5.38      
28 A 1029 1003 7.71      
29 A 1003 978 1.29      
30 A 989 964 4.20      
31 A 929 906 5.45      
32 A 820 799 7.01      
33 A 771 751 1.79      
34 A 648 631 190.63      
35 A 473 461 13.44      
36 A 446 434 7.25      
37 A 366 357 1.19      
38 A 258 251 23.95      
39 A 248 242 0.13      
40 A 218 213 0.92      
41 A 196 191 33.01      
42 A 96 93 2.33      

Unscaled Zero Point Vibrational Energy (zpe) 32437.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 31609.8 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/CEP-121G
ABC
0.25487 0.11066 0.08490

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.577 1.397 -0.219
H2 -0.218 1.992 -0.001
H3 1.459 1.866 -0.028
C4 1.805 -0.730 -0.006
H5 1.942 -0.773 -1.094
H6 2.676 -0.219 0.430
H7 1.783 -1.754 0.390
C8 0.493 0.018 0.335
H9 0.380 0.026 1.442
C10 -0.742 -0.718 -0.255
H11 -0.620 -0.769 -1.347
H12 -0.738 -1.751 0.126
C13 -2.102 -0.054 0.089
H14 -2.938 -0.664 -0.280
H15 -2.196 0.938 -0.374
H16 -2.226 0.060 1.176

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01721.01792.46432.70892.72733.42771.48782.16222.49232.72003.42883.06194.07482.81483.4041
H21.01721.68273.39123.67573.66794.26492.12492.51132.77193.09863.78152.78293.81192.27223.0248
H31.01791.68272.61882.88752.45743.65842.11702.59093.40253.60754.23574.04805.07983.78744.2773
C42.46433.39122.61881.09781.10021.09821.54802.16652.55912.77162.74373.96564.75104.34974.2739
H52.70893.67572.88751.09781.78011.78582.18403.08332.81282.57493.10304.27424.94874.53524.8188
H62.72733.66792.45741.10021.78011.77632.19842.52113.52223.78553.75514.79335.67665.07194.9667
H73.42774.26493.65841.09821.78581.77632.19262.49782.80483.12482.53524.25114.89134.86414.4698
C81.48782.12492.11701.54802.18402.19842.19261.11201.55452.16592.16592.60753.55182.92892.8462
H92.16222.51132.59092.16653.08332.52112.49781.11202.16623.06782.47772.82813.80133.28132.6200
C102.49232.77193.40252.55912.81283.52222.80481.55452.16621.09991.10151.55152.19662.20632.2035
H112.72003.09863.60752.77162.57493.78553.12482.16593.06781.09991.77432.18352.55382.51843.1037
H123.42883.78154.23572.74373.10303.75512.53522.16592.47771.10151.77432.17722.48703.09912.5683
C133.06192.78294.04803.96564.27424.79334.25112.60752.82811.55152.18352.17721.09841.09881.1005
H144.07483.81195.07984.75104.94875.67664.89133.55183.80132.19662.55382.48701.09841.76771.7751
H152.81482.27223.78744.34974.53525.07194.86412.92893.28132.20632.51843.09911.09881.76771.7819
H163.40413.02484.27734.27394.81884.96674.46982.84622.62002.20353.10372.56831.10051.77511.7819

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 108.518 N1 C8 H9 111.729
N1 C8 C10 109.998 H2 N1 H3 111.551
H2 N1 C8 114.743 H3 N1 C8 114.000
C4 C8 H9 107.951 C4 C8 C10 111.147
H5 C4 H6 108.167 H5 C4 H7 108.824
H5 C4 C8 110.110 H6 C4 H7 107.797
H6 C4 C8 111.097 H7 C4 C8 110.759
C8 C10 H11 108.148 C8 C10 H12 108.053
C8 C10 C13 114.178 H9 C8 C10 107.498
C10 C13 H14 110.817 C10 C13 H15 111.568
C10 C13 H16 111.244 H11 C10 H12 107.414
H11 C10 C13 109.706 H12 C10 C13 109.119
H14 C13 H15 107.133 H14 C13 H16 107.658
H15 C13 H16 108.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.617      
2 H 0.261      
3 H 0.259      
4 C -0.518      
5 H 0.154      
6 H 0.135      
7 H 0.137      
8 C 0.117      
9 H 0.096      
10 C -0.188      
11 H 0.128      
12 H 0.113      
13 C -0.508      
14 H 0.149      
15 H 0.142      
16 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.047 0.261 1.155 1.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.273 0.510 0.891
y 0.510 -32.296 1.701
z 0.891 1.701 -36.483
Traceless
 xyz
x 1.117 0.510 0.891
y 0.510 2.582 1.701
z 0.891 1.701 -3.699
Polar
3z2-r2-7.398
x2-y2-0.977
xy0.510
xz0.891
yz1.701


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.366 0.005 0.023
y 0.005 8.377 -0.084
z 0.023 -0.084 7.530


<r2> (average value of r2) Å2
<r2> 130.698
(<r2>)1/2 11.432