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

using model chemistry: B2PLYP=FULLultrafine/3-21G*

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/3-21G*
 hartrees
Energy at 0K-95.169852
Energy at 298.15K 
HF Energy-95.101993
Nuclear repulsion energy41.586834
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/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' 3436 3436 2.38 101.83 0.12 0.22
2 A' 3103 3103 36.25 80.97 0.22 0.36
3 A' 2981 2981 99.94 116.10 0.23 0.38
4 A' 1749 1749 15.30 12.91 0.66 0.80
5 A' 1588 1588 11.24 29.31 0.71 0.83
6 A' 1521 1521 1.64 11.60 0.61 0.76
7 A' 1185 1185 6.37 7.58 0.49 0.66
8 A' 1045 1045 3.82 8.47 0.48 0.64
9 A' 738 738 225.37 8.12 0.34 0.50
10 A" 3532 3532 1.09 61.05 0.75 0.86
11 A" 3144 3144 31.41 65.41 0.75 0.86
12 A" 1613 1613 1.70 26.90 0.75 0.86
13 A" 1383 1383 0.52 6.38 0.75 0.86
14 A" 1000 1000 0.11 1.15 0.75 0.86
15 A" 328 328 53.91 4.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14173.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14173.5 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/3-21G*
ABC
3.44593 0.74170 0.70927

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 0.718 0.000
N2 0.045 -0.766 0.000
H3 -0.947 1.200 0.000
H4 0.588 1.068 0.881
H5 0.588 1.068 -0.881
H6 -0.408 -1.143 -0.833
H7 -0.408 -1.143 0.833

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.48401.10271.09251.09252.08962.0896
N21.48402.20162.10552.10551.02111.0211
H31.10272.20161.77491.77492.54482.5448
H41.09252.10551.77491.76262.97032.4258
H51.09252.10551.77491.76262.42582.9703
H62.08961.02112.54482.97032.42581.6668
H72.08961.02112.54482.42582.97031.6668

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 111.721 C1 N2 H7 111.721
N2 C1 H3 115.885 N2 C1 H4 108.662
N2 C1 H5 108.662 H3 C1 H4 107.900
H3 C1 H5 107.900 H4 C1 H5 107.542
H6 N2 H7 109.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.399      
2 N -0.671      
3 H 0.151      
4 H 0.196      
5 H 0.196      
6 H 0.263      
7 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.435 0.324 0.000 1.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.859 2.247 -0.002
y 2.247 -13.691 -0.002
z -0.002 -0.002 -12.445
Traceless
 xyz
x -1.791 2.247 -0.002
y 2.247 -0.039 -0.002
z -0.002 -0.002 1.830
Polar
3z2-r23.660
x2-y2-1.168
xy2.247
xz-0.002
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.082 0.151 0.000
y 0.151 2.847 -0.000
z 0.000 -0.000 2.665


<r2> (average value of r2) Å2
<r2> 26.960
(<r2>)1/2 5.192