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

using model chemistry: TPSSh/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at TPSSh/6-311G**
 hartrees
Energy at 0K-96.376023
Energy at 298.15K-96.383075
HF Energy-96.376023
Nuclear repulsion energy47.153182
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 TPSSh/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3049 3049 93.36      
2 A1 2652 2652 34.21      
3 A1 1349 1349 103.77      
4 A1 1210 1210 187.67      
5 A1 872 872 41.48      
6 A2 277 277 0.00      
7 E 3146 3146 14.62      
7 E 3146 3146 14.62      
8 E 2034 2034 6583.18      
8 E 2034 2034 6588.82      
9 E 1485 1485 11.43      
9 E 1485 1485 11.42      
10 E 1312 1312 33.91      
10 E 1312 1312 34.05      
11 E 1147 1147 529.35      
11 E 1147 1147 529.30      
12 E 847 847 170.49      
12 E 847 847 170.61      

Unscaled Zero Point Vibrational Energy (zpe) 14674.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14674.9 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 TPSSh/6-311G**
ABC
2.66511 0.66554 0.66554

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.803
N2 0.000 0.000 0.710
H3 0.000 -1.039 -1.130
H4 -0.900 0.520 -1.130
H5 0.900 0.520 -1.130
H6 0.000 1.006 1.079
H7 -0.871 -0.503 1.079
H8 0.871 -0.503 1.079

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51231.08961.08961.08962.13392.13392.1339
N21.51232.11322.11322.11321.07181.07181.0718
H31.08962.11321.79991.79993.01092.43492.4349
H41.08962.11321.79991.79992.43492.43493.0109
H51.08962.11321.79991.79992.43493.01092.4349
H62.13391.07183.01092.43492.43491.74261.7426
H72.13391.07182.43492.43493.01091.74261.7426
H82.13391.07182.43493.01092.43491.74261.7426

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 110.173 C1 N2 H7 110.173
C1 N2 H8 110.173 N2 C1 H3 107.502
N2 C1 H4 107.502 N2 C1 H5 107.502
H3 C1 H4 111.366 H3 C1 H5 111.366
H4 C1 H5 111.366 H6 N2 H7 108.761
H6 N2 H8 108.761 H7 N2 H8 108.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.164      
2 N -0.092      
3 H 0.115      
4 H 0.115      
5 H 0.115      
6 H -0.030      
7 H -0.030      
8 H -0.030      


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 -1.556 1.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 16.090 0.000 0.000
y 0.000 16.088 -0.001
z 0.000 -0.001 8.287


<r2> (average value of r2) Å2
<r2> 32.289
(<r2>)1/2 5.682