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All results from a given calculation for CH3NH3 (methyl ammonium radical)

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-95.725252
Energy at 298.15K 
HF Energy-95.725252
Nuclear repulsion energy45.922796
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 M06-2X/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 A1 3079 2952 14.37      
2 A1 2366 2268 89.07      
3 A1 1320 1265 152.54      
4 A1 1083 1038 0.54      
5 A1 660 633 9.18      
6 A2 231 222 0.00      
7 E 3176 3045 9.37      
7 E 3176 3045 9.34      
8 E 1529 1466 7.45      
8 E 1529 1466 7.29      
9 E 1420 1361 1160.04      
9 E 1419 1361 1172.14      
10 E 1160 1112 1.79      
10 E 1160 1112 1.80      
11 E 824 790 3.79      
11 E 824 790 3.69      
12 E 684i 656i 4107.20      
12 E 685i 656i 4157.40      

Unscaled Zero Point Vibrational Energy (zpe) 11794.8 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 11307.7 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 M06-2X/3-21G
ABC
2.50506 0.63239 0.63239

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.828
N2 0.000 0.000 0.734
H3 0.000 -1.042 -1.144
H4 -0.902 0.521 -1.144
H5 0.902 0.521 -1.144
H6 0.000 1.068 1.087
H7 -0.925 -0.534 1.087
H8 0.925 -0.534 1.087

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.56181.08881.08881.08882.19252.19252.1925
N21.56182.14722.14722.14721.12461.12461.1246
H31.08882.14721.80471.80473.07032.46762.4676
H41.08882.14721.80471.80472.46762.46763.0703
H51.08882.14721.80471.80472.46763.07032.4676
H62.19251.12463.07032.46762.46761.84931.8493
H72.19251.12462.46762.46763.07031.84931.8493
H82.19251.12462.46763.07032.46761.84931.8493

picture of methyl ammonium radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 108.304 C1 N2 H7 108.304
C1 N2 H8 108.304 N2 C1 H3 106.857
N2 C1 H4 106.857 N2 C1 H5 106.857
H3 C1 H4 111.954 H3 C1 H5 111.954
H4 C1 H5 111.954 H6 N2 H7 110.613
H6 N2 H8 110.613 H7 N2 H8 110.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.472      
2 N -0.499      
3 H 0.212      
4 H 0.212      
5 H 0.212      
6 H 0.112      
7 H 0.112      
8 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.998 0.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.153 0.000 0.000
y 0.000 -16.153 0.000
z 0.000 0.000 -16.497
Traceless
 xyz
x 0.172 0.000 0.000
y 0.000 0.172 0.000
z 0.000 0.000 -0.343
Polar
3z2-r2-0.687
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.222 0.000 0.000
y 0.000 7.166 -0.004
z 0.000 -0.004 4.856


<r2> (average value of r2) Å2
<r2> 32.189
(<r2>)1/2 5.674