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

using model chemistry: PBE1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at PBE1PBE/Def2TZVPP
 hartrees
Energy at 0K-96.273200
Energy at 298.15K-96.280311
HF Energy-96.273200
Nuclear repulsion energy47.647940
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 PBE1PBE/Def2TZVPP
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 3072 3072 80.98      
2 A1 2854 2854 3.10      
3 A1 1364 1364 53.40      
4 A1 1255 1255 284.04      
5 A1 946 946 45.24      
6 A2 284 284 0.00      
7 E 3169 3169 2.72      
7 E 3169 3169 2.71      
8 E 2505 2505 4474.08      
8 E 2505 2505 4474.39      
9 E 1478 1478 1.12      
9 E 1478 1478 1.12      
10 E 1370 1370 4.13      
10 E 1370 1370 4.12      
11 E 1213 1213 40.97      
11 E 1213 1213 41.01      
12 E 865 865 126.16      
12 E 865 865 125.90      

Unscaled Zero Point Vibrational Energy (zpe) 15488.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15488.5 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 PBE1PBE/Def2TZVPP
ABC
2.73070 0.67931 0.67931

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.791
N2 0.000 0.000 0.701
H3 0.000 -1.034 -1.128
H4 -0.896 0.517 -1.128
H5 0.896 0.517 -1.128
H6 0.000 0.986 1.076
H7 -0.854 -0.493 1.076
H8 0.854 -0.493 1.076

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49161.08821.08821.08822.11082.11082.1108
N21.49162.10142.10142.10141.05461.05461.0546
H31.08822.10141.79181.79182.98982.42492.4249
H41.08822.10141.79181.79182.42492.42492.9898
H51.08822.10141.79181.79182.42492.98982.4249
H62.11081.05462.98982.42492.42491.70731.7073
H72.11081.05462.42492.42492.98981.70731.7073
H82.11081.05462.42492.98982.42491.70731.7073

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 110.824 C1 N2 H7 110.824
C1 N2 H8 110.824 N2 C1 H3 108.069
N2 C1 H4 108.069 N2 C1 H5 108.069
H3 C1 H4 110.836 H3 C1 H5 110.836
H4 C1 H5 110.836 H6 N2 H7 108.085
H6 N2 H8 108.085 H7 N2 H8 108.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.060      
2 N 0.558      
3 H 0.052      
4 H 0.052      
5 H 0.052      
6 H -0.218      
7 H -0.218      
8 H -0.218      


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 -1.571 1.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.233 0.000 0.000
y 0.000 -19.233 0.000
z 0.000 0.000 -18.314
Traceless
 xyz
x -0.460 0.000 0.000
y 0.000 -0.460 0.000
z 0.000 0.000 0.919
Polar
3z2-r21.839
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 16.887 0.000 0.000
y 0.000 16.887 -0.004
z 0.000 -0.004 9.343


<r2> (average value of r2) Å2
<r2> 32.428
(<r2>)1/2 5.695