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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-213.771486
Energy at 298.15K-213.784143
Nuclear repulsion energy194.433942
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 mPW1PW91/6-31G(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 3622 3458 0.10      
2 A 3541 3380 0.69      
3 A 3149 3006 30.14      
4 A 3138 2996 32.95      
5 A 3132 2990 39.28      
6 A 3131 2989 24.91      
7 A 3098 2958 8.85      
8 A 3055 2917 35.14      
9 A 3053 2915 24.80      
10 A 3051 2913 15.35      
11 A 2935 2802 70.56      
12 A 1663 1587 38.55      
13 A 1512 1443 7.05      
14 A 1502 1434 1.80      
15 A 1500 1432 5.37      
16 A 1492 1424 2.72      
17 A 1475 1409 0.63      
18 A 1428 1364 5.29      
19 A 1407 1344 14.58      
20 A 1406 1343 5.09      
21 A 1388 1325 8.90      
22 A 1336 1275 3.46      
23 A 1303 1244 1.86      
24 A 1266 1208 0.58      
25 A 1205 1150 2.01      
26 A 1171 1118 11.35      
27 A 1080 1031 1.08      
28 A 1042 995 2.73      
29 A 1019 973 5.84      
30 A 983 938 2.60      
31 A 956 913 11.35      
32 A 874 835 106.05      
33 A 820 783 2.96      
34 A 771 736 1.56      
35 A 477 455 6.57      
36 A 452 431 5.46      
37 A 371 355 1.08      
38 A 290 277 29.64      
39 A 254 242 0.26      
40 A 227 217 2.35      
41 A 221 211 14.28      
42 A 103 98 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 32948.5 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 31456.0 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 mPW1PW91/6-31G(2df,p)
ABC
0.26301 0.11451 0.08799

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.566 1.374 -0.237
H2 -0.214 1.933 0.087
H3 1.400 1.834 0.108
C4 1.770 -0.718 -0.007
H5 1.913 -0.758 -1.091
H6 2.642 -0.219 0.429
H7 1.743 -1.739 0.380
C8 0.486 0.028 0.326
H9 0.375 0.038 1.427
C10 -0.731 -0.699 -0.246
H11 -0.613 -0.761 -1.333
H12 -0.726 -1.727 0.136
C13 -2.064 -0.043 0.091
H14 -2.902 -0.643 -0.275
H15 -2.155 0.945 -0.368
H16 -2.190 0.073 1.173

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01271.01332.42402.66182.69993.38441.46112.14212.44512.67323.37923.00584.01162.75803.3580
H21.01271.61653.31173.62603.59174.17062.04292.39372.70273.07103.69512.70723.74032.22542.9228
H31.01331.61652.58142.90172.42153.60032.03642.45253.32933.58654.14733.94044.97863.69554.1380
C42.42403.31172.58141.09361.09461.09291.52232.13862.51232.72732.69583.89484.68004.27844.2072
H52.66183.62602.90171.09361.76921.77672.15943.05562.77632.53753.06704.21064.88484.46924.7591
H62.69993.59172.42151.09461.76921.76652.17282.48973.47263.74043.70094.72175.60395.00044.8974
H73.38444.17063.60031.09291.77671.76652.16922.47462.75513.07272.48034.17784.81664.79174.4019
C81.46112.04292.03641.52232.15942.17282.16921.10621.52812.14072.14052.56193.50492.88072.8066
H92.14212.39372.45252.13863.05562.48972.47461.10622.13663.03872.44842.78293.75493.23272.5783
C102.44512.70273.32932.51232.77633.47262.75511.52812.13661.09591.09591.52412.17182.17922.1765
H112.67323.07103.58652.72732.53753.74043.07272.14073.03871.09591.76182.15672.52462.49423.0762
H123.37923.69514.14732.69583.06703.70092.48032.14052.44841.09591.76182.15152.46533.07202.5413
C133.00582.70723.94043.89484.21064.72174.17782.56192.78291.52412.15672.15151.09291.09371.0951
H144.01163.74034.97864.68004.88485.60394.81663.50493.75492.17182.52462.46531.09291.75741.7647
H152.75802.22543.69554.27844.46925.00044.79172.88073.23272.17922.49423.07201.09371.75741.7713
H163.35802.92284.13804.20724.75914.89744.40192.80662.57832.17653.07622.54131.09511.76471.7713

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 108.665 N1 C8 H9 112.369
N1 C8 C10 109.744 H2 N1 H3 105.853
H2 N1 C8 110.020 H3 N1 C8 109.440
C4 C8 H9 107.857 C4 C8 C10 110.892
H5 C4 H6 107.903 H5 C4 H7 108.694
H5 C4 C8 110.203 H6 C4 H7 107.706
H6 C4 C8 111.203 H7 C4 C8 111.023
C8 C10 H11 108.203 C8 C10 H12 108.191
C8 C10 C13 114.143 H9 C8 C10 107.313
C10 C13 H14 111.103 C10 C13 H15 111.649
C10 C13 H16 111.350 H11 C10 H12 106.997
H11 C10 C13 109.732 H12 C10 C13 109.324
H14 C13 H15 106.967 H14 C13 H16 107.514
H15 C13 H16 108.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.570      
2 H 0.248      
3 H 0.245      
4 C -0.447      
5 H 0.150      
6 H 0.131      
7 H 0.138      
8 C 0.018      
9 H 0.083      
10 C -0.201      
11 H 0.132      
12 H 0.119      
13 C -0.468      
14 H 0.143      
15 H 0.144      
16 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.009 0.174 1.123 1.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.638 0.410 0.932
y 0.410 -31.761 1.922
z 0.932 1.922 -34.798
Traceless
 xyz
x 0.642 0.410 0.932
y 0.410 1.957 1.922
z 0.932 1.922 -2.598
Polar
3z2-r2-5.197
x2-y2-0.877
xy0.410
xz0.932
yz1.922


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.747 -0.007 0.025
y -0.007 7.768 0.003
z 0.025 0.003 6.808


<r2> (average value of r2) Å2
<r2> 149.740
(<r2>)1/2 12.237