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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-96.336488
Energy at 298.15K-96.342991
HF Energy-96.336488
Nuclear repulsion energy46.852823
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/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 3066 2946 57.27      
2 A1 2480 2383 96.66      
3 A1 1316 1264 127.09      
4 A1 1122 1078 12.44      
5 A1 804 773 20.25      
6 A2 272 261 0.00      
7 E 3162 3038 17.71      
7 E 3162 3038 17.71      
8 E 1649 1584 2083.13      
8 E 1649 1584 2083.32      
9 E 1478 1420 83.29      
9 E 1478 1420 83.27      
10 E 1210 1163 5.84      
10 E 1210 1163 5.84      
11 E 856 822 17.18      
11 E 856 822 17.18      
12 E 489 470 2188.39      
12 E 489 470 2188.01      

Unscaled Zero Point Vibrational Energy (zpe) 13372.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 12848.3 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 B3LYP/6-31G**
ABC
2.58438 0.66351 0.66351

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

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 0.715
H3 0.000 -1.040 -1.131
H4 -0.900 0.520 -1.131
H5 0.900 0.520 -1.131
H6 0.000 1.038 1.064
H7 -0.899 -0.519 1.064
H8 0.899 -0.519 1.064

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51601.09081.09081.09082.13372.13372.1337
N21.51602.11872.11872.11871.09451.09451.0945
H31.09082.11871.80071.80073.02172.42792.4279
H41.09082.11871.80071.80072.42792.42793.0217
H51.09082.11871.80071.80072.42793.02172.4279
H62.13371.09453.02172.42792.42791.79711.7971
H72.13371.09452.42792.42793.02171.79711.7971
H82.13371.09452.42793.02172.42791.79711.7971

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 108.564 C1 N2 H7 108.564
C1 N2 H8 108.564 N2 C1 H3 107.614
N2 C1 H4 107.614 N2 C1 H5 107.614
H3 C1 H4 111.263 H3 C1 H5 111.263
H4 C1 H5 111.263 H6 N2 H7 110.363
H6 N2 H8 110.363 H7 N2 H8 110.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.224      
2 N -0.214      
3 H 0.118      
4 H 0.118      
5 H 0.118      
6 H 0.028      
7 H 0.028      
8 H 0.028      


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 -0.977 0.977
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.850 0.000 0.000
y 0.000 -16.850 0.000
z 0.000 0.000 -16.560
Traceless
 xyz
x -0.145 0.000 0.000
y 0.000 -0.145 0.000
z 0.000 0.000 0.290
Polar
3z2-r20.580
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 7.668 0.000 0.000
y 0.000 7.668 0.000
z 0.000 0.000 5.370


<r2> (average value of r2) Å2
<r2> 31.596
(<r2>)1/2 5.621