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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-96.396294
Energy at 298.15K-96.403401
HF Energy-96.396294
Nuclear repulsion energy47.327940
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 B3LYP/TZVP
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 3059 2953 80.64      
2 A1 2784 2688 12.50      
3 A1 1367 1320 60.74      
4 A1 1283 1239 212.94      
5 A1 883 853 32.18      
6 A2 282 272 0.00      
7 E 3149 3041 6.83      
7 E 3149 3041 6.82      
8 E 2460 2374 2939.35      
8 E 2460 2374 2939.40      
9 E 1486 1434 2.41      
9 E 1486 1434 2.42      
10 E 1371 1324 0.12      
10 E 1371 1324 0.12      
11 E 1210 1168 49.94      
11 E 1210 1168 49.95      
12 E 878 847 62.10      
12 E 878 847 62.16      

Unscaled Zero Point Vibrational Energy (zpe) 15382.3 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 14850.1 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 B3LYP/TZVP
ABC
2.71059 0.66703 0.66703

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

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 0.709
H3 0.000 -1.035 -1.135
H4 -0.897 0.518 -1.135
H5 0.897 0.518 -1.135
H6 0.000 0.993 1.082
H7 -0.860 -0.496 1.082
H8 0.860 -0.496 1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50951.08791.08791.08792.12872.12872.1287
N21.50952.11442.11442.11441.06051.06051.0605
H31.08792.11441.79321.79323.00472.43832.4383
H41.08792.11441.79321.79322.43832.43833.0047
H51.08792.11441.79321.79322.43833.00472.4383
H62.12871.06053.00472.43832.43831.71911.7191
H72.12871.06052.43832.43833.00471.71911.7191
H82.12871.06052.43833.00472.43831.71911.7191

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 110.627 C1 N2 H7 110.627
C1 N2 H8 110.627 N2 C1 H3 107.887
N2 C1 H4 107.887 N2 C1 H5 107.887
H3 C1 H4 111.008 H3 C1 H5 111.008
H4 C1 H5 111.008 H6 N2 H7 108.291
H6 N2 H8 108.291 H7 N2 H8 108.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 N 0.302      
3 H 0.075      
4 H 0.075      
5 H 0.075      
6 H -0.131      
7 H -0.131      
8 H -0.131      


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 -1.463 1.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.180 0.000 0.000
y 0.000 -19.180 0.000
z 0.000 0.000 -18.268
Traceless
 xyz
x -0.456 0.000 0.000
y 0.000 -0.456 0.000
z 0.000 0.000 0.912
Polar
3z2-r21.824
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 13.770 0.000 0.000
y 0.000 13.770 -0.001
z 0.000 -0.001 8.870


<r2> (average value of r2) Å2
<r2> 32.702
(<r2>)1/2 5.719