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

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-212.500021
Energy at 298.15K-212.512667
Nuclear repulsion energy194.231508
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 B1B95/3-21G*
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 3531 3372 0.70      
2 A 3431 3276 2.95      
3 A 3155 3012 31.52      
4 A 3145 3003 31.92      
5 A 3136 2994 37.33      
6 A 3132 2991 21.70      
7 A 3114 2974 2.41      
8 A 3068 2929 26.05      
9 A 3060 2922 11.71      
10 A 3058 2920 27.76      
11 A 2941 2809 74.33      
12 A 1709 1632 34.53      
13 A 1583 1512 11.90      
14 A 1561 1491 4.57      
15 A 1556 1486 5.95      
16 A 1546 1477 6.17      
17 A 1523 1454 2.65      
18 A 1449 1383 9.26      
19 A 1442 1377 16.47      
20 A 1419 1355 5.55      
21 A 1406 1342 18.33      
22 A 1364 1303 1.53      
23 A 1331 1271 3.39      
24 A 1277 1219 0.77      
25 A 1220 1165 2.17      
26 A 1166 1113 1.46      
27 A 1075 1026 8.40      
28 A 1041 994 4.05      
29 A 1027 980 2.31      
30 A 1019 973 5.81      
31 A 947 904 5.41      
32 A 838 800 9.48      
33 A 795 759 15.68      
34 A 707 676 148.73      
35 A 471 450 3.71      
36 A 456 435 14.73      
37 A 375 358 0.19      
38 A 327 312 14.61      
39 A 253 242 6.38      
40 A 237 226 3.15      
41 A 198 189 43.29      
42 A 103 99 7.83      

Unscaled Zero Point Vibrational Energy (zpe) 33094.4 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 31601.8 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 B1B95/3-21G*
ABC
0.26225 0.11556 0.08862

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.509 1.372 -0.217
H2 -0.256 1.952 0.131
H3 1.400 1.841 -0.036
C4 1.787 -0.683 -0.028
H5 1.885 -0.648 -1.117
H6 2.652 -0.180 0.418
H7 1.784 -1.725 0.303
C8 0.483 0.015 0.363
H9 0.389 0.006 1.465
C10 -0.716 -0.740 -0.225
H11 -0.562 -0.801 -1.307
H12 -0.726 -1.757 0.184
C13 -2.051 -0.042 0.068
H14 -2.893 -0.632 -0.304
H15 -2.078 0.932 -0.429
H16 -2.186 0.104 1.146

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02151.02272.42772.60432.72103.38971.47652.17112.44212.65643.38842.93843.94972.63333.2758
H21.02151.66823.33833.59183.61724.20862.08622.44622.75423.12073.73912.68303.71722.16202.8578
H31.02271.66822.55382.75662.42033.60282.08172.57753.34293.52754.18523.93224.96153.61654.1559
C42.42773.33832.55381.09351.09561.09351.53002.15872.51132.67722.74153.89234.68864.20854.2171
H52.60433.59182.75661.09351.77861.78562.14363.05492.75092.45893.12124.15464.84674.32164.7178
H62.72103.61722.42031.09561.77861.77592.17792.50003.47403.70013.73544.71755.61004.93254.9004
H73.38974.20863.60281.09351.78561.77592.17332.50822.73832.99222.51324.19454.84144.74504.4515
C81.47652.08622.08171.53002.14362.17792.17331.10611.53462.13292.15322.55193.50212.83402.7831
H92.17112.44622.57752.15873.05492.50002.50821.10612.15313.04032.44822.81223.78303.24622.5969
C102.44212.75423.34292.51132.75093.47402.73831.53462.15311.09491.09631.53482.18142.16672.1803
H112.65643.12073.52752.67722.45893.70012.99222.13293.04031.09491.77982.16432.54372.46423.0780
H123.38843.73914.18522.74153.12123.73542.51322.15322.44821.09631.77982.17042.49003.07202.5535
C132.93842.68303.93223.89234.15464.71754.19452.55192.81221.53482.16432.17041.09371.09391.0959
H143.94973.71724.96154.68864.84675.61004.84143.50213.78302.18142.54372.49001.09371.76791.7729
H152.63332.16203.61654.20854.32164.93254.74502.83403.24622.16672.46423.07201.09391.76791.7827
H163.27582.85784.15594.21714.71784.90044.45152.78312.59692.18033.07802.55351.09591.77291.7827

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 107.690 N1 C8 H9 113.649
N1 C8 C10 108.378 H2 N1 H3 109.388
H2 N1 C8 111.969 H3 N1 C8 111.518
C4 C8 H9 108.892 C4 C8 C10 110.065
H5 C4 H6 108.682 H5 C4 H7 109.462
H5 C4 C8 108.443 H6 C4 H7 108.437
H6 C4 C8 111.010 H7 C4 C8 110.772
C8 C10 H11 107.236 C8 C10 H12 108.709
C8 C10 C13 112.484 H9 C8 C10 108.148
C10 C13 H14 111.064 C10 C13 H15 109.891
C10 C13 H16 110.842 H11 C10 H12 108.628
H11 C10 C13 109.642 H12 C10 C13 110.034
H14 C13 H15 107.828 H14 C13 H16 108.131
H15 C13 H16 109.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.674      
2 H 0.276      
3 H 0.273      
4 C -0.579      
5 H 0.220      
6 H 0.193      
7 H 0.202      
8 C -0.118      
9 H 0.177      
10 C -0.377      
11 H 0.218      
12 H 0.194      
13 C -0.615      
14 H 0.208      
15 H 0.207      
16 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.225 0.381 1.203 1.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.399 0.602 0.589
y 0.602 -31.426 1.946
z 0.589 1.946 -35.211
Traceless
 xyz
x 0.919 0.602 0.589
y 0.602 2.379 1.946
z 0.589 1.946 -3.299
Polar
3z2-r2-6.597
x2-y2-0.974
xy0.602
xz0.589
yz1.946


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.955 0.049 -0.030
y 0.049 7.085 -0.087
z -0.030 -0.087 6.090


<r2> (average value of r2) Å2
<r2> 148.951
(<r2>)1/2 12.205