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

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-96.251364
Energy at 298.15K-96.258444
HF Energy-96.251364
Nuclear repulsion energy47.199560
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 PBEPBE/aug-cc-pVDZ
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 3000 2982 97.59      
2 A1 2842 2825 30.22      
3 A1 1319 1311 47.17      
4 A1 1268 1260 668.86      
5 A1 912 906 74.73      
6 A2 274 273 0.00      
7 E 3106 3087 2.36      
7 E 3106 3087 2.37      
8 E 2710 2693 2878.43      
8 E 2710 2693 2879.06      
9 E 1406 1397 14.57      
9 E 1406 1397 14.57      
10 E 1379 1371 71.36      
10 E 1379 1371 71.37      
11 E 1182 1175 4.69      
11 E 1182 1175 4.66      
12 E 853 848 84.38      
12 E 853 848 84.29      

Unscaled Zero Point Vibrational Energy (zpe) 15444.1 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 15349.9 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 PBEPBE/aug-cc-pVDZ
ABC
2.68668 0.66506 0.66506

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.801
N2 0.000 0.000 0.707
H3 0.000 -1.049 -1.139
H4 -0.908 0.524 -1.139
H5 0.908 0.524 -1.139
H6 0.000 0.988 1.089
H7 -0.855 -0.494 1.089
H8 0.855 -0.494 1.089

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50811.10191.10191.10192.13262.13262.1326
N21.50812.12332.12332.12331.05891.05891.0589
H31.10192.12331.81641.81643.01862.45042.4504
H41.10192.12331.81641.81642.45042.45043.0186
H51.10192.12331.81641.81642.45043.01862.4504
H62.13261.05893.01862.45042.45041.71071.7107
H72.13261.05892.45042.45043.01861.71071.7107
H82.13261.05892.45043.01862.45041.71071.7107

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 111.143 C1 N2 H7 111.143
C1 N2 H8 111.143 N2 C1 H3 107.869
N2 C1 H4 107.869 N2 C1 H5 107.869
H3 C1 H4 111.025 H3 C1 H5 111.025
H4 C1 H5 111.025 H6 N2 H7 107.749
H6 N2 H8 107.749 H7 N2 H8 107.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.123      
2 N 0.024      
3 H -0.219      
4 H -0.219      
5 H -0.219      
6 H -0.163      
7 H -0.163      
8 H -0.163      


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 -2.326 2.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.722 0.000 0.000
y 0.000 -23.722 0.000
z 0.000 0.000 -22.111
Traceless
 xyz
x -0.805 0.000 0.000
y 0.000 -0.805 0.000
z 0.000 0.000 1.611
Polar
3z2-r23.221
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 42.460 0.000 0.000
y 0.000 42.449 -0.008
z 0.000 -0.008 26.433


<r2> (average value of r2) Å2
<r2> 35.508
(<r2>)1/2 5.959