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

using model chemistry: B3LYP/6-31G**

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/6-31G**
 hartrees
Energy at 0K-213.819164
Energy at 298.15K-213.831826
Nuclear repulsion energy193.437268
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**
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 3569 3429 0.78      
2 A 3487 3351 2.69      
3 A 3124 3001 38.65      
4 A 3112 2990 42.59      
5 A 3106 2984 51.41      
6 A 3105 2983 26.12      
7 A 3074 2953 9.81      
8 A 3039 2920 30.38      
9 A 3036 2917 35.42      
10 A 3032 2914 16.39      
11 A 2912 2798 80.32      
12 A 1668 1602 34.91      
13 A 1524 1464 6.14      
14 A 1515 1456 2.07      
15 A 1512 1453 3.74      
16 A 1506 1447 2.32      
17 A 1491 1432 0.32      
18 A 1430 1374 6.08      
19 A 1422 1366 4.14      
20 A 1419 1364 6.71      
21 A 1395 1341 15.80      
22 A 1344 1291 6.05      
23 A 1307 1256 1.72      
24 A 1264 1215 0.42      
25 A 1198 1151 1.60      
26 A 1166 1121 10.13      
27 A 1063 1022 2.26      
28 A 1029 988 3.12      
29 A 1021 981 4.99      
30 A 988 949 2.92      
31 A 944 907 10.50      
32 A 871 837 112.00      
33 A 815 783 5.23      
34 A 770 740 2.20      
35 A 480 461 7.77      
36 A 455 437 5.15      
37 A 374 360 0.83      
38 A 295 283 38.00      
39 A 257 247 0.04      
40 A 231 222 5.26      
41 A 225 216 11.14      
42 A 102 98 1.86      

Unscaled Zero Point Vibrational Energy (zpe) 32837.4 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 31550.2 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 B3LYP/6-31G**
ABC
0.26041 0.11304 0.08689

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.576 1.382 -0.238
H2 -0.208 1.944 0.085
H3 1.412 1.843 0.116
C4 1.779 -0.725 -0.007
H5 1.922 -0.770 -1.092
H6 2.653 -0.225 0.427
H7 1.752 -1.747 0.385
C8 0.489 0.026 0.328
H9 0.379 0.036 1.430
C10 -0.737 -0.699 -0.249
H11 -0.621 -0.756 -1.338
H12 -0.734 -1.729 0.130
C13 -2.079 -0.042 0.093
H14 -2.916 -0.641 -0.280
H15 -2.170 0.951 -0.360
H16 -2.208 0.065 1.177

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01721.01802.43742.67752.70923.39981.47162.15242.46052.68573.39563.03094.03592.78193.3888
H21.01721.62293.32913.64483.60674.18972.05522.40752.71623.08013.71132.72903.76202.24352.9534
H31.01801.62292.59732.92312.43233.61592.04892.46183.34863.60564.16733.96755.00583.72144.1698
C42.43743.32912.59731.09491.09631.09461.53022.14592.52862.74482.71023.91994.70424.30484.2338
H52.67753.64482.92311.09491.77171.77902.16823.06402.79082.55483.07704.23584.90734.49894.7852
H62.70923.60672.43231.09631.77171.76872.18092.49893.48953.75743.71804.74765.62935.02634.9269
H73.39984.18973.61591.09461.77901.76872.17732.48052.77433.09542.49924.20354.84304.81804.4260
C81.47162.05522.04891.53022.16822.18092.17731.10781.53682.14892.14852.57983.52262.89792.8276
H92.15242.40752.46182.14593.06402.49892.48051.10782.14553.04762.45852.79943.77353.24612.5994
C102.46052.71623.34862.52862.79083.48952.77431.53682.14551.09721.09761.53242.17962.18792.1857
H112.68573.08013.60562.74482.55483.75743.09542.14893.04761.09721.76462.16422.52992.50423.0849
H123.39563.71134.16732.71023.07703.71802.49922.14852.45851.09761.76462.15812.47233.07992.5473
C133.03092.72903.96753.91994.23584.74764.20352.57982.79941.53242.16422.15811.09461.09521.0968
H144.03593.76205.00584.70424.90735.62934.84303.52263.77352.17962.52992.47231.09461.76041.7671
H152.78192.24353.72144.30484.49895.02634.81802.89793.24612.18792.50423.07991.09521.76041.7738
H163.38882.95344.16984.23384.78524.92694.42602.82762.59942.18573.08492.54731.09681.76711.7738

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 108.565 N1 C8 H9 112.353
N1 C8 C10 109.732 H2 N1 H3 105.768
H2 N1 C8 109.994 H3 N1 C8 109.416
C4 C8 H9 107.799 C4 C8 C10 111.067
H5 C4 H6 107.908 H5 C4 H7 108.691
H5 C4 C8 110.269 H6 C4 H7 107.663
H6 C4 C8 111.189 H7 C4 C8 111.010
C8 C10 H11 108.187 C8 C10 H12 108.132
C8 C10 C13 114.400 H9 C8 C10 107.329
C10 C13 H14 111.035 C10 C13 H15 111.664
C10 C13 H16 111.394 H11 C10 H12 107.032
H11 C10 C13 109.663 H12 C10 C13 109.165
H14 C13 H15 107.009 H14 C13 H16 107.482
H15 C13 H16 108.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.598      
2 H 0.234      
3 H 0.231      
4 C -0.310      
5 H 0.116      
6 H 0.090      
7 H 0.098      
8 C 0.063      
9 H 0.062      
10 C -0.149      
11 H 0.102      
12 H 0.085      
13 C -0.332      
14 H 0.104      
15 H 0.106      
16 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.022 0.196 1.218 1.234
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.894 0.334 0.996
y 0.334 -32.065 2.122
z 0.996 2.122 -35.353
Traceless
 xyz
x 0.815 0.334 0.996
y 0.334 2.059 2.122
z 0.996 2.122 -2.874
Polar
3z2-r2-5.747
x2-y2-0.830
xy0.334
xz0.996
yz2.122


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.593 0.026 0.039
y 0.026 7.675 -0.014
z 0.039 -0.014 6.686


<r2> (average value of r2) Å2
<r2> 151.504
(<r2>)1/2 12.309