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

using model chemistry: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-213.689950
Energy at 298.15K-213.702504
Nuclear repulsion energy194.754219
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 B1B95/6-31G(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 3606 3453 0.02      
2 A 3524 3375 0.74      
3 A 3144 3011 29.09      
4 A 3133 3001 32.83      
5 A 3126 2993 21.60      
6 A 3126 2993 44.08      
7 A 3092 2961 9.51      
8 A 3049 2920 33.66      
9 A 3046 2917 26.77      
10 A 3044 2915 15.28      
11 A 2932 2808 69.80      
12 A 1643 1573 38.28      
13 A 1502 1438 6.04      
14 A 1493 1430 2.01      
15 A 1489 1426 5.63      
16 A 1482 1420 2.29      
17 A 1466 1404 0.55      
18 A 1417 1357 5.21      
19 A 1396 1337 13.90      
20 A 1392 1333 4.45      
21 A 1376 1318 8.82      
22 A 1324 1268 4.38      
23 A 1292 1237 1.82      
24 A 1254 1201 0.55      
25 A 1198 1147 1.79      
26 A 1162 1112 10.98      
27 A 1074 1028 0.72      
28 A 1036 992 2.41      
29 A 1008 965 5.82      
30 A 974 933 1.92      
31 A 951 911 11.94      
32 A 866 829 104.15      
33 A 815 780 2.15      
34 A 763 731 1.76      
35 A 468 448 5.88      
36 A 446 428 5.87      
37 A 361 346 2.20      
38 A 283 271 27.24      
39 A 241 230 0.06      
40 A 223 214 3.62      
41 A 210 201 14.44      
42 A 97 93 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 32759.0 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 31373.3 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 B1B95/6-31G(2df,p)
ABC
0.26396 0.11524 0.08846

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.547 1.371 -0.237
H2 -0.231 1.925 0.104
H3 1.384 1.838 0.094
C4 1.774 -0.704 -0.013
H5 1.908 -0.737 -1.097
H6 2.643 -0.200 0.419
H7 1.757 -1.727 0.369
C8 0.486 0.026 0.331
H9 0.382 0.037 1.431
C10 -0.725 -0.712 -0.234
H11 -0.601 -0.791 -1.319
H12 -0.722 -1.731 0.165
C13 -2.056 -0.044 0.083
H14 -2.895 -0.644 -0.275
H15 -2.133 0.936 -0.396
H16 -2.185 0.094 1.161

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01321.01372.42142.65312.70023.38131.46112.14162.44072.67653.37622.97973.98852.71993.3241
H21.01321.61683.30783.61963.58714.16632.04162.38692.70363.08823.68942.68463.72032.20192.8793
H31.01371.61682.57392.88502.41693.59502.03572.45583.32493.58404.14483.92074.96023.66394.1132
C42.42143.30782.57391.09291.09391.09221.52012.13782.50862.71122.70483.88724.67644.25434.2057
H52.65313.61962.88501.09291.76871.77572.15503.05242.77112.51903.08224.19344.87364.42964.7480
H62.70023.58712.41691.09391.76871.76622.17052.48753.46863.72703.70574.71305.59874.97624.8933
H73.38134.16633.59501.09221.77571.76622.16642.47612.74923.04752.48794.17804.82014.77624.4143
C81.46112.04162.03571.52012.15502.17052.16641.10501.52632.13772.13902.55453.49932.86592.7978
H92.14162.38692.45582.13783.05242.48752.47611.10502.13523.03552.43922.78703.75723.23602.5823
C102.44072.70363.32492.50862.77113.46862.74921.52632.13521.09511.09511.52222.17132.17312.1741
H112.67653.08823.58402.71122.51903.72703.04752.13773.03551.09511.76152.15442.52482.48633.0732
H123.37623.68944.14482.70483.08223.70572.48792.13902.43921.09511.76152.15242.46953.06902.5422
C132.97972.68463.92073.88724.19344.71304.17802.55452.78701.52222.15442.15241.09211.09301.0945
H143.98853.72034.96024.67644.87365.59874.82013.49933.75722.17132.52482.46951.09211.75761.7640
H152.71992.20193.66394.25434.42964.97624.77622.86593.23602.17312.48633.06901.09301.75761.7708
H163.32412.87934.11324.20574.74804.89334.41432.79782.58232.17413.07322.54221.09451.76401.7708

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 108.614 N1 C8 H9 112.405
N1 C8 C10 109.551 H2 N1 H3 105.816
H2 N1 C8 109.882 H3 N1 C8 109.357
C4 C8 H9 108.008 C4 C8 C10 110.869
H5 C4 H6 107.961 H5 C4 H7 108.712
H5 C4 C8 110.051 H6 C4 H7 107.791
H6 C4 C8 111.226 H7 C4 C8 110.996
C8 C10 H11 108.138 C8 C10 H12 108.249
C8 C10 C13 113.850 H9 C8 C10 107.397
C10 C13 H14 111.241 C10 C13 H15 111.333
C10 C13 H16 111.325 H11 C10 H12 107.077
H11 C10 C13 109.724 H12 C10 C13 109.571
H14 C13 H15 107.093 H14 C13 H16 107.558
H15 C13 H16 108.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.546      
2 H 0.235      
3 H 0.233      
4 C -0.400      
5 H 0.134      
6 H 0.114      
7 H 0.122      
8 C 0.036      
9 H 0.066      
10 C -0.165      
11 H 0.114      
12 H 0.102      
13 C -0.421      
14 H 0.126      
15 H 0.129      
16 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.018 0.174 1.108 1.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.674 0.444 0.849
y 0.444 -31.840 1.895
z 0.849 1.895 -34.841
Traceless
 xyz
x 0.666 0.444 0.849
y 0.444 1.918 1.895
z 0.849 1.895 -2.584
Polar
3z2-r2-5.168
x2-y2-0.834
xy0.444
xz0.849
yz1.895


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.815 -0.000 0.020
y -0.000 7.813 0.008
z 0.020 0.008 6.832


<r2> (average value of r2) Å2
<r2> 149.113
(<r2>)1/2 12.211