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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-95.221864
Energy at 298.15K 
HF Energy-95.221864
Nuclear repulsion energy42.353611
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 HF/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' 3745 3380 0.65 100.44 0.12 0.21
2 A' 3222 2908 59.54 89.90 0.30 0.46
3 A' 3134 2829 98.80 118.38 0.16 0.27
4 A' 1809 1632 28.70 7.61 0.73 0.84
5 A' 1631 1472 6.71 19.81 0.73 0.84
6 A' 1594 1439 3.37 5.69 0.71 0.83
7 A' 1277 1153 16.24 4.07 0.47 0.64
8 A' 1148 1036 18.94 11.48 0.33 0.50
9 A' 920 830 186.94 4.75 0.50 0.67
10 A" 3831 3458 0.43 64.58 0.75 0.86
11 A" 3259 2941 51.44 75.81 0.75 0.86
12 A" 1648 1488 1.35 20.13 0.75 0.86
13 A" 1466 1323 0.07 3.67 0.75 0.86
14 A" 1045 943 0.02 0.48 0.75 0.86
15 A" 337 304 45.51 2.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 15032.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 13567.9 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 HF/6-31G**
ABC
3.52839 0.77205 0.74108

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.700 0.000
N2 0.049 -0.752 0.000
H3 -0.942 1.158 0.000
H4 0.581 1.059 0.874
H5 0.581 1.059 -0.874
H6 -0.426 -1.108 -0.805
H7 -0.426 -1.108 0.805

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45171.09151.08451.08452.03532.0353
N21.45172.15172.07992.07991.00011.0001
H31.09152.15171.75891.75892.46002.4600
H41.08452.07991.75891.74752.92052.3908
H51.08452.07991.75891.74752.39082.9205
H62.03531.00012.46002.92052.39081.6100
H72.03531.00012.46002.39082.92051.6100

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 110.879 C1 N2 H7 110.879
N2 C1 H3 114.831 N2 C1 H4 109.334
N2 C1 H5 109.334 H3 C1 H4 107.864
H3 C1 H5 107.864 H4 C1 H5 107.352
H6 N2 H7 107.207
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 N -0.701      
3 H 0.086      
4 H 0.118      
5 H 0.118      
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
  -1.425 0.377 0.000 1.474
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.834 2.217 0.000
y 2.217 -14.028 0.000
z 0.000 0.000 -12.475
Traceless
 xyz
x -1.582 2.217 0.000
y 2.217 -0.373 0.000
z 0.000 0.000 1.956
Polar
3z2-r23.911
x2-y2-0.806
xy2.217
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.420 0.154 0.000
y 0.154 2.957 0.000
z 0.000 0.000 2.814


<r2> (average value of r2) Å2
<r2> 26.322
(<r2>)1/2 5.131