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

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-96.282365
Energy at 298.15K-96.288819
HF Energy-96.282365
Nuclear repulsion energy46.283416
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 BLYP/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 A1 2988 2965 63.27      
2 A1 2355 2337 102.74      
3 A1 1255 1245 137.64      
4 A1 1070 1062 9.15      
5 A1 697 692 9.69      
6 A2 255 253 0.00      
7 E 3083 3059 22.93      
7 E 3083 3059 22.92      
8 E 1644 1631 1614.31      
8 E 1644 1631 1614.47      
9 E 1436 1424 50.34      
9 E 1436 1424 50.33      
10 E 1158 1149 9.07      
10 E 1158 1149 9.08      
11 E 830 823 53.28      
11 E 830 823 53.29      
12 E 525 521 1378.82      
12 E 525 521 1378.56      

Unscaled Zero Point Vibrational Energy (zpe) 12984.4 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 12884.4 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 BLYP/6-31G**
ABC
2.52745 0.64573 0.64573

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.815
N2 0.000 0.000 0.726
H3 0.000 -1.048 -1.140
H4 -0.908 0.524 -1.140
H5 0.908 0.524 -1.140
H6 0.000 1.052 1.075
H7 -0.911 -0.526 1.075
H8 0.911 -0.526 1.075

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.54091.09761.09761.09762.16312.16312.1631
N21.54092.14022.14022.14021.10851.10851.1085
H31.09762.14021.81591.81593.05252.45132.4513
H41.09762.14021.81591.81592.45132.45133.0525
H51.09762.14021.81591.81592.45133.05252.4513
H62.16311.10853.05252.45132.45131.82231.8223
H72.16311.10852.45132.45133.05251.82231.8223
H82.16311.10852.45133.05252.45131.82231.8223

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 108.358 C1 N2 H7 108.358
C1 N2 H8 108.358 N2 C1 H3 107.217
N2 C1 H4 107.217 N2 C1 H5 107.217
H3 C1 H4 111.628 H3 C1 H5 111.628
H4 C1 H5 111.628 H6 N2 H7 110.561
H6 N2 H8 110.561 H7 N2 H8 110.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.203      
2 N -0.189      
3 H 0.106      
4 H 0.106      
5 H 0.106      
6 H 0.024      
7 H 0.024      
8 H 0.024      


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 -0.913 0.913
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.830 0.000 0.000
y 0.000 -16.830 0.000
z 0.000 0.000 -16.590
Traceless
 xyz
x -0.120 0.000 0.000
y 0.000 -0.120 0.000
z 0.000 0.000 0.240
Polar
3z2-r20.479
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 7.101 0.000 0.000
y 0.000 7.101 0.000
z 0.000 0.000 5.506


<r2> (average value of r2) Å2
<r2> 32.119
(<r2>)1/2 5.667