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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-96.191717
Energy at 298.15K-96.197380
HF Energy-96.191717
Nuclear repulsion energy46.506531
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 PBEPBEultrafine/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 3002 2953 64.66      
2 A1 2375 2336 97.23      
3 A1 1266 1246 150.65      
4 A1 1083 1065 6.57      
5 A1 787 774 15.38      
6 A2 269 265 0.00      
7 E 3100 3049 19.73      
7 E 3100 3049 19.73      
8 E 1583 1556 1675.28      
8 E 1583 1556 1675.37      
9 E 1436 1412 108.99      
9 E 1436 1412 108.98      
10 E 1170 1151 11.22      
10 E 1170 1151 11.22      
11 E 829 815 26.81      
11 E 829 815 26.80      
12 E 154 151 2221.55      
12 E 154 151 2221.37      

Unscaled Zero Point Vibrational Energy (zpe) 12662.2 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 12453.2 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 PBEPBEultrafine/6-31G*
ABC
2.51723 0.65827 0.65827

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

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 0.718
H3 0.000 -1.049 -1.133
H4 -0.909 0.525 -1.133
H5 0.909 0.525 -1.133
H6 0.000 1.055 1.065
H7 -0.914 -0.528 1.065
H8 0.914 -0.528 1.065

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.52091.10011.10011.10012.14522.14522.1452
N21.52092.12762.12762.12761.11081.11081.1108
H31.10012.12761.81771.81773.04292.43652.4365
H41.10012.12761.81771.81772.43652.43653.0428
H51.10012.12761.81771.81772.43653.04282.4365
H62.14521.11083.04292.43652.43651.82781.8278
H72.14521.11082.43652.43653.04281.82781.8278
H82.14521.11082.43653.04282.43651.82781.8278

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 108.192 C1 N2 H7 108.192
C1 N2 H8 108.192 N2 C1 H3 107.446
N2 C1 H4 107.446 N2 C1 H5 107.446
H3 C1 H4 111.419 H3 C1 H5 111.419
H4 C1 H5 111.419 H6 N2 H7 110.719
H6 N2 H8 110.719 H7 N2 H8 110.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.394      
2 N -0.385      
3 H 0.170      
4 H 0.170      
5 H 0.170      
6 H 0.090      
7 H 0.090      
8 H 0.090      


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 -0.903 0.903
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.809 0.000 0.000
y 0.000 -16.809 0.000
z 0.000 0.000 -16.600
Traceless
 xyz
x -0.104 0.000 0.000
y 0.000 -0.104 0.000
z 0.000 0.000 0.209
Polar
3z2-r20.417
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 7.659 0.000 0.000
y 0.000 7.659 0.000
z 0.000 0.000 5.388


<r2> (average value of r2) Å2
<r2> 31.827
(<r2>)1/2 5.642