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

using model chemistry: PBEPBE/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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-213.522519
Energy at 298.15K-213.535007
Nuclear repulsion energy192.752168
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 PBEPBE/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 3510 3470 0.21      
2 A 3419 3380 2.33      
3 A 3062 3027 29.61      
4 A 3051 3016 36.16      
5 A 3045 3010 25.89      
6 A 3043 3009 44.49      
7 A 3010 2976 9.10      
8 A 2972 2938 34.41      
9 A 2968 2934 43.41      
10 A 2965 2931 16.85      
11 A 2844 2811 84.40      
12 A 1612 1594 49.64      
13 A 1464 1447 11.39      
14 A 1454 1437 5.01      
15 A 1452 1436 6.85      
16 A 1445 1429 6.06      
17 A 1427 1411 1.22      
18 A 1369 1353 8.01      
19 A 1361 1345 10.29      
20 A 1356 1341 8.04      
21 A 1331 1315 18.66      
22 A 1285 1271 2.98      
23 A 1256 1242 2.55      
24 A 1216 1202 0.50      
25 A 1156 1143 3.40      
26 A 1122 1109 6.57      
27 A 1040 1028 1.37      
28 A 1002 991 5.61      
29 A 986 974 4.12      
30 A 950 939 3.53      
31 A 918 907 7.73      
32 A 822 813 106.29      
33 A 790 781 16.51      
34 A 745 736 6.00      
35 A 468 463 8.42      
36 A 441 436 5.71      
37 A 365 361 1.47      
38 A 284 280 38.21      
39 A 248 245 0.11      
40 A 222 219 8.09      
41 A 217 214 5.60      
42 A 105 104 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 31896.7 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 31533.1 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 PBEPBE/6-31+G**
ABC
0.25855 0.11248 0.08647

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.579 1.386 -0.234
H2 -0.222 1.953 0.059
H3 1.417 1.859 0.118
C4 1.783 -0.728 -0.006
H5 1.926 -0.775 -1.099
H6 2.663 -0.225 0.432
H7 1.754 -1.756 0.392
C8 0.490 0.024 0.327
H9 0.374 0.033 1.438
C10 -0.739 -0.697 -0.255
H11 -0.621 -0.746 -1.353
H12 -0.731 -1.738 0.119
C13 -2.083 -0.044 0.096
H14 -2.927 -0.648 -0.276
H15 -2.183 0.958 -0.356
H16 -2.206 0.059 1.189

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02441.02492.44292.68882.71693.41181.47572.16022.46512.69003.40603.03944.05312.79783.3976
H21.02441.64253.34813.66003.63414.21532.07372.43752.71863.07243.72682.73013.76762.23822.9669
H31.02491.64252.61552.94582.44843.64082.06672.48233.36493.61994.18993.98375.03073.74134.1850
C42.44293.34812.61551.10341.10431.10271.53242.15602.53452.75552.71283.92704.71824.32364.2381
H52.68883.66002.94581.10341.78581.79282.17593.08172.79682.55943.07814.24644.92364.52104.7966
H62.71693.63412.44841.10431.78581.78142.19032.51393.50303.77393.73004.76145.65075.05054.9364
H73.41184.21533.64081.10271.79281.78142.18372.48972.78423.11462.50004.21124.85584.83944.4283
C81.47572.07372.06671.53242.17592.19032.18371.11661.53902.15632.15392.58373.53382.91262.8307
H92.16022.43752.48232.15603.08172.51392.48971.11662.15353.06382.46972.80043.78143.25752.5924
C102.46512.71863.36492.53452.79683.50302.78421.53902.15351.10611.10591.53462.18832.19892.1931
H112.69003.07243.61992.75552.55943.77393.11462.15633.06381.10611.77892.17522.54712.51803.1028
H123.40603.72684.18992.71283.07813.73002.50002.15392.46971.10591.77892.16712.48283.09852.5593
C133.03942.73013.98373.92704.24644.76144.21122.58372.80041.53462.17522.16711.10261.10371.1050
H144.05313.76765.03074.71824.92365.65074.85583.53383.78142.18832.54712.48281.10261.77131.7798
H152.79782.23823.74134.32364.52105.05054.83942.91263.25752.19892.51803.09851.10371.77131.7876
H163.39762.96694.18504.23814.79664.93644.42832.83072.59242.19313.10282.55931.10501.77981.7876

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 108.592 N1 C8 H9 112.136
N1 C8 C10 109.689 H2 N1 H3 106.545
H2 N1 C8 110.789 H3 N1 C8 110.176
C4 C8 H9 107.923 C4 C8 C10 111.213
H5 C4 H6 107.976 H5 C4 H7 108.713
H5 C4 C8 110.223 H6 C4 H7 107.637
H6 C4 C8 111.305 H7 C4 C8 110.881
C8 C10 H11 108.096 C8 C10 H12 107.924
C8 C10 C13 114.406 H9 C8 C10 107.297
C10 C13 H14 111.090 C10 C13 H15 111.871
C10 C13 H16 111.328 H11 C10 H12 107.061
H11 C10 C13 109.855 H12 C10 C13 109.232
H14 C13 H15 106.804 H14 C13 H16 107.453
H15 C13 H16 108.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.583      
2 H 0.283      
3 H 0.282      
4 C -0.695      
5 H 0.184      
6 H 0.157      
7 H 0.167      
8 C 0.069      
9 H 0.140      
10 C -0.152      
11 H 0.176      
12 H 0.159      
13 C -0.695      
14 H 0.173      
15 H 0.166      
16 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.072 0.083 1.271 1.276
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.786 0.335 1.176
y 0.335 -33.149 2.186
z 1.176 2.186 -36.894
Traceless
 xyz
x 1.236 0.335 1.176
y 0.335 2.191 2.186
z 1.176 2.186 -3.427
Polar
3z2-r2-6.854
x2-y2-0.637
xy0.335
xz1.176
yz2.186


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.064 -0.060 -0.036
y -0.060 8.990 -0.045
z -0.036 -0.045 8.388


<r2> (average value of r2) Å2
<r2> 153.016
(<r2>)1/2 12.370