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

using model chemistry: TPSSh/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-95.907123
Energy at 298.15K 
HF Energy-95.907123
Nuclear repulsion energy41.973143
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/cc-pVQZ
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' 3470 3470 1.47 122.07 0.09 0.17
2 A' 3053 3053 37.03 108.99 0.23 0.38
3 A' 2960 2960 95.41 161.42 0.14 0.24
4 A' 1666 1666 18.67 4.18 0.65 0.79
5 A' 1508 1508 5.86 8.57 0.66 0.80
6 A' 1462 1462 2.43 1.92 0.33 0.49
7 A' 1176 1176 7.58 1.08 0.38 0.55
8 A' 1050 1050 9.27 8.80 0.22 0.36
9 A' 845 845 144.48 1.14 0.70 0.83
10 A" 3544 3544 0.12 57.94 0.75 0.86
11 A" 3089 3089 33.76 64.99 0.75 0.86
12 A" 1528 1528 3.22 8.13 0.75 0.86
13 A" 1351 1351 0.07 0.80 0.75 0.86
14 A" 968 968 0.01 0.05 0.75 0.86
15 A" 304 304 32.41 0.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13986.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13986.9 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/cc-pVQZ
ABC
3.45460 0.75863 0.72965

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.706 0.000
N2 0.051 -0.760 0.000
H3 -0.943 1.174 0.000
H4 0.591 1.062 0.879
H5 0.591 1.062 -0.879
H6 -0.449 -1.108 -0.811
H7 -0.449 -1.108 0.811

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46571.09861.09101.09102.04922.0492
N21.46572.17392.09292.09291.01441.0144
H31.09862.17391.77161.77162.47152.4715
H41.09102.09291.77161.75752.94012.4072
H51.09102.09291.77161.75752.40722.9401
H62.04921.01442.47152.94012.40721.6213
H72.04921.01442.47152.40722.94011.6213

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 110.101 C1 N2 H7 110.101
N2 C1 H3 115.196 N2 C1 H4 109.012
N2 C1 H5 109.012 H3 C1 H4 108.016
H3 C1 H5 108.016 H4 C1 H5 107.312
H6 N2 H7 106.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 N -0.443      
3 H 0.106      
4 H 0.172      
5 H 0.172      
6 H 0.180      
7 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.242 0.336 0.000 1.287
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 3.378 0.057 0.000
y 0.057 3.998 0.000
z 0.000 0.000 3.464


<r2> (average value of r2) Å2
<r2> 26.729
(<r2>)1/2 5.170