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

using model chemistry: TPSSh/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-96.409620
Energy at 298.15K-96.416744
HF Energy-96.409620
Nuclear repulsion energy47.547072
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/aug-cc-pVTZ
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 3061 2954 84.18      
2 A1 2945 2842 138.62      
3 A1 1406 1357 0.87      
4 A1 1347 1300 1101.17      
5 A1 912 881 76.64      
6 A2 271 261 0.00      
7 E 3156 3046 0.00      
7 E 3156 3046 0.00      
8 E 2811 2713 4801.70      
8 E 2811 2713 4804.97      
9 E 1499 1447 96.76      
9 E 1499 1447 96.51      
10 E 1474 1422 146.24      
10 E 1474 1422 145.68      
11 E 1244 1201 2.48      
11 E 1244 1201 2.53      
12 E 876 846 160.90      
12 E 876 846 161.56      

Unscaled Zero Point Vibrational Energy (zpe) 16030.2 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 15472.3 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/aug-cc-pVTZ
ABC
2.75794 0.66937 0.66937

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.800
N2 0.000 0.000 0.707
H3 0.000 -1.035 -1.133
H4 -0.896 0.518 -1.133
H5 0.896 0.518 -1.133
H6 0.000 0.975 1.084
H7 -0.844 -0.487 1.084
H8 0.844 -0.487 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50761.08731.08731.08732.12172.12172.1217
N21.50762.11162.11162.11161.04511.04511.0451
H31.08732.11161.79281.79282.99282.43512.4351
H41.08732.11161.79281.79282.43512.43512.9928
H51.08732.11161.79281.79282.43512.99282.4351
H62.12171.04512.99282.43512.43511.68841.6884
H72.12171.04512.43512.43512.99281.68841.6884
H82.12171.04512.43512.99282.43511.68841.6884

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 111.138 C1 N2 H7 111.138
C1 N2 H8 111.138 N2 C1 H3 107.829
N2 C1 H4 107.829 N2 C1 H5 107.829
H3 C1 H4 111.062 H3 C1 H5 111.062
H4 C1 H5 111.062 H6 N2 H7 107.755
H6 N2 H8 107.755 H7 N2 H8 107.755
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 N -0.066      
3 H 0.167      
4 H 0.167      
5 H 0.167      
6 H -0.169      
7 H -0.169      
8 H -0.169      


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 -2.786 2.786
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 58.774 0.000 0.000
y 0.000 58.705 -0.041
z 0.000 -0.041 32.324


<r2> (average value of r2) Å2
<r2> 35.717
(<r2>)1/2 5.976