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

using model chemistry: wB97X-D/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at wB97X-D/LANL2DZ
 hartrees
Energy at 0K-96.268002
Energy at 298.15K 
HF Energy-96.268002
Nuclear repulsion energy 
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 wB97X-D/LANL2DZ
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 3103 3103 34.30      
2 A1 2444 2444 316.66      
3 A1 1321 1321 128.53      
4 A1 1152 1152 2.46      
5 A1 616 616 48.90      
6 A2 255 255 0.00      
7 E 3220 3220 14.43      
7 E 3220 3220 14.45      
8 E 1512 1512 20.56      
8 E 1512 1512 20.56      
9 E 1436 1436 1175.24      
9 E 1436 1436 1175.99      
10 E 1158 1158 16.80      
10 E 1158 1158 16.88      
11 E 853 853 12.76      
11 E 853 853 12.78      
12 E 510i 510i 3586.85      
12 E 510i 510i 3589.07      

Unscaled Zero Point Vibrational Energy (zpe) 12114.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12114.2 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 wB97X-D/LANL2DZ
ABC
2.57437 0.63928 0.63928

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.819
N2 0.000 0.000 0.729
H3 0.000 -1.039 -1.152
H4 -0.900 0.520 -1.152
H5 0.900 0.520 -1.152
H6 0.000 1.042 1.089
H7 -0.902 -0.521 1.089
H8 0.902 -0.521 1.089

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.54811.09161.09161.09162.17442.17442.1744
N21.54812.14942.14942.14941.10241.10241.1024
H31.09162.14941.80041.80043.05902.47162.4716
H41.09162.14941.80041.80042.47162.47163.0590
H51.09162.14941.80041.80042.47163.05902.4716
H62.17441.10243.05902.47162.47161.80451.8045
H72.17441.10242.47162.47163.05901.80451.8045
H82.17441.10242.47163.05902.47161.80451.8045

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 109.083 C1 N2 H7 109.083
C1 N2 H8 109.083 N2 C1 H3 107.778
N2 C1 H4 107.778 N2 C1 H5 107.778
H3 C1 H4 111.110 H3 C1 H5 111.110
H4 C1 H5 111.110 H6 N2 H7 109.856
H6 N2 H8 109.856 H7 N2 H8 109.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.659      
2 N -0.338      
3 H 0.224      
4 H 0.224      
5 H 0.224      
6 H 0.108      
7 H 0.108      
8 H 0.108      


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 -0.557 0.557
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.413 0.000 0.000
y 0.000 -16.413 0.000
z 0.000 0.000 -16.121
Traceless
 xyz
x -0.146 0.000 0.000
y 0.000 -0.146 0.000
z 0.000 0.000 0.292
Polar
3z2-r20.584
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 6.716 0.000 0.000
y 0.000 6.713 0.001
z 0.000 0.001 6.134


<r2> (average value of r2) Å2
<r2> 31.978
(<r2>)1/2 5.655