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

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-94.664582
Energy at 298.15K 
HF Energy-94.664582
Nuclear repulsion energy40.790850
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 TPSSh/STO-3G
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' 3447 3447 26.33 23.65 0.00 0.01
2 A' 3418 3418 2.10 62.18 0.37 0.54
3 A' 3267 3267 12.80 40.63 0.05 0.09
4 A' 1864 1864 4.86 11.99 0.70 0.82
5 A' 1681 1681 4.77 17.70 0.75 0.86
6 A' 1585 1585 2.54 4.49 0.74 0.85
7 A' 1304 1304 9.03 4.89 0.74 0.85
8 A' 1105 1105 2.04 10.08 0.37 0.54
9 A' 959 959 51.09 3.20 0.44 0.62
10 A" 3621 3621 22.35 28.69 0.75 0.86
11 A" 3473 3473 0.89 30.48 0.75 0.86
12 A" 1694 1694 1.00 16.84 0.75 0.86
13 A" 1496 1496 1.87 10.46 0.75 0.86
14 A" 1026 1026 0.09 0.47 0.75 0.86
15 A" 351 351 37.03 1.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 15145.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15145.8 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 TPSSh/STO-3G
ABC
3.19659 0.71672 0.69644

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.066 0.725 0.000
N2 0.066 -0.798 0.000
H3 -0.943 1.189 0.000
H4 0.609 1.075 0.896
H5 0.609 1.075 -0.896
H6 -0.566 -1.051 -0.822
H7 -0.566 -1.051 0.822

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.52241.11081.10451.10452.05562.0556
N21.52242.22832.14582.14581.06701.0670
H31.11082.22831.79561.79562.41532.4153
H41.10452.14581.79561.79132.97462.4295
H51.10452.14581.79561.79132.42952.9746
H62.05561.06702.41532.97462.42951.6442
H72.05561.06702.41532.42952.97461.6442

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 103.702 C1 N2 H7 103.702
N2 C1 H3 114.708 N2 C1 H4 108.500
N2 C1 H5 108.500 H3 C1 H4 108.299
H3 C1 H5 108.299 H4 C1 H5 108.377
H6 N2 H7 100.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.140      
2 N -0.345      
3 H 0.056      
4 H 0.074      
5 H 0.074      
6 H 0.141      
7 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.556 0.639 0.000 1.682
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.214 0.271 0.000
y 0.271 1.669 0.000
z 0.000 0.000 1.655


<r2> (average value of r2) Å2
<r2> 26.958
(<r2>)1/2 5.192