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All results from a given calculation for CH3NH2 (methyl amine)

using model chemistry: B2PLYP=FULLultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-95.771564
Energy at 298.15K 
HF Energy-95.645707
Nuclear repulsion energy42.034227
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 B2PLYP=FULLultrafine/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' 3533 3533 0.28 93.22 0.11 0.20
2 A' 3109 3109 35.76 78.02 0.32 0.48
3 A' 3015 3015 75.76 110.17 0.14 0.24
4 A' 1684 1684 18.89 7.30 0.69 0.82
5 A' 1523 1523 6.09 16.95 0.71 0.83
6 A' 1479 1479 2.14 4.94 0.63 0.77
7 A' 1197 1197 8.43 2.86 0.54 0.71
8 A' 1080 1080 7.29 8.86 0.29 0.45
9 A' 874 874 145.36 3.42 0.62 0.76
10 A" 3615 3615 0.29 55.01 0.75 0.86
11 A" 3149 3149 27.63 62.09 0.75 0.86
12 A" 1543 1543 2.14 16.87 0.75 0.86
13 A" 1371 1371 0.06 2.92 0.75 0.86
14 A" 989 989 0.01 0.33 0.75 0.86
15 A" 320 320 35.21 1.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14239.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14239.2 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 B2PLYP=FULLultrafine/6-31G(2df,p)
ABC
3.45604 0.76140 0.73288

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.052 0.703 0.000
N2 0.052 -0.760 0.000
H3 -0.940 1.175 0.000
H4 0.591 1.062 0.879
H5 0.591 1.062 -0.879
H6 -0.458 -1.099 -0.807
H7 -0.458 -1.099 0.807

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46251.09871.09151.09152.03872.0387
N21.46252.17412.09322.09321.01301.0130
H31.09872.17411.76871.76872.46042.4604
H41.09152.09321.76871.75732.93432.4027
H51.09152.09321.76871.75732.40272.9343
H62.03871.01302.46042.93432.40271.6145
H72.03871.01302.46042.40272.93431.6145

picture of methyl amine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 109.549 C1 N2 H7 109.549
N2 C1 H3 115.445 N2 C1 H4 109.221
N2 C1 H5 109.221 H3 C1 H4 107.714
H3 C1 H5 107.714 H4 C1 H5 107.217
H6 N2 H7 105.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.310      
2 N -0.528      
3 H 0.103      
4 H 0.131      
5 H 0.131      
6 H 0.237      
7 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.276 0.312 0.000 1.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.582 2.040 -0.002
y 2.040 -14.073 -0.002
z -0.002 -0.002 -12.497
Traceless
 xyz
x -1.297 2.040 -0.002
y 2.040 -0.533 -0.002
z -0.002 -0.002 1.830
Polar
3z2-r23.660
x2-y2-0.510
xy2.040
xz-0.002
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.656 0.146 0.000
y 0.146 3.245 -0.000
z 0.000 -0.000 2.968


<r2> (average value of r2) Å2
<r2> 26.505
(<r2>)1/2 5.148