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

using model chemistry: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-95.717525
Energy at 298.15K 
HF Energy-95.717525
Nuclear repulsion energy41.702354
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 PBEPBE/6-31G*
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' 3377 3329 3.66 110.77 0.11 0.20
2 A' 3012 2969 38.39 92.22 0.24 0.39
3 A' 2892 2850 109.81 135.05 0.21 0.35
4 A' 1658 1634 19.83 12.69 0.66 0.80
5 A' 1480 1459 9.12 26.19 0.68 0.81
6 A' 1436 1416 2.71 10.34 0.63 0.77
7 A' 1162 1145 5.57 5.56 0.47 0.64
8 A' 1055 1040 4.99 7.94 0.35 0.52
9 A' 859 846 164.77 6.14 0.67 0.80
10 A" 3465 3416 1.26 65.78 0.75 0.86
11 A" 3057 3013 32.14 71.51 0.75 0.86
12 A" 1500 1479 2.37 24.41 0.75 0.86
13 A" 1334 1315 0.38 4.30 0.75 0.86
14 A" 964 951 0.05 0.60 0.75 0.86
15 A" 335 330 45.37 2.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13792.9 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 13595.7 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 PBEPBE/6-31G*
ABC
3.37095 0.75327 0.72565

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.053 0.703 0.000
N2 0.053 -0.764 0.000
H3 -0.945 1.199 0.000
H4 0.602 1.064 0.887
H5 0.602 1.064 -0.887
H6 -0.474 -1.098 -0.815
H7 -0.474 -1.098 0.815

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46771.11401.10371.10372.04692.0469
N21.46772.20202.10472.10471.02691.0269
H31.11402.20201.78841.78842.48272.4827
H41.10372.10471.78841.77412.95502.4163
H51.10372.10471.78841.77412.41632.9550
H62.04691.02692.48272.95502.41631.6309
H72.04691.02692.48272.41632.95501.6309

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 108.994 C1 N2 H7 108.994
N2 C1 H3 116.395 N2 C1 H4 109.049
N2 C1 H5 109.049 H3 C1 H4 107.493
H3 C1 H5 107.493 H4 C1 H5 106.970
H6 N2 H7 105.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 N -0.691      
3 H 0.132      
4 H 0.166      
5 H 0.166      
6 H 0.296      
7 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.432 0.321 0.000 1.467
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.665 2.274 0.000
y 2.274 -14.137 0.000
z 0.000 0.000 -12.522
Traceless
 xyz
x -1.335 2.274 0.000
y 2.274 -0.544 0.000
z 0.000 0.000 1.879
Polar
3z2-r23.758
x2-y2-0.528
xy2.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.560 0.142 0.000
y 0.142 3.229 0.000
z 0.000 0.000 2.948


<r2> (average value of r2) Å2
<r2> 26.782
(<r2>)1/2 5.175