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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-96.311731
Energy at 298.15K-96.317987
HF Energy-96.311731
Nuclear repulsion energy46.001259
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/LANL2DZ
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 3078 2959 23.93      
2 A1 2399 2306 330.24      
3 A1 1285 1235 135.93      
4 A1 1143 1099 3.66      
5 A1 521 501 67.19      
6 A2 235 226 0.00      
7 E 3193 3069 16.21      
7 E 3193 3069 16.21      
8 E 1549 1489 1145.73      
8 E 1549 1489 1145.74      
9 E 1479 1421 219.24      
9 E 1479 1421 219.28      
10 E 1140 1095 23.05      
10 E 1140 1095 23.05      
11 E 833 800 0.58      
11 E 833 800 0.58      
12 E 479 461 2017.57      
12 E 479 461 2017.42      

Unscaled Zero Point Vibrational Energy (zpe) 13003.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 12498.7 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/LANL2DZ
ABC
2.56315 0.62779 0.62779

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.830
N2 0.000 0.000 0.737
H3 0.000 -1.043 -1.158
H4 -0.903 0.521 -1.158
H5 0.903 0.521 -1.158
H6 0.000 1.043 1.099
H7 -0.903 -0.522 1.099
H8 0.903 -0.522 1.099

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.56641.09301.09301.09302.19282.19282.1928
N21.56642.16232.16232.16231.10431.10431.1043
H31.09302.16231.80581.80583.07302.48602.4860
H41.09302.16231.80581.80582.48602.48603.0730
H51.09302.16231.80581.80582.48603.07302.4860
H62.19281.10433.07302.48602.48601.80691.8069
H72.19281.10432.48602.48603.07301.80691.8069
H82.19281.10432.48603.07302.48601.80691.8069

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 109.152 C1 N2 H7 109.152
C1 N2 H8 109.152 N2 C1 H3 107.463
N2 C1 H4 107.463 N2 C1 H5 107.463
H3 C1 H4 111.403 H3 C1 H5 111.403
H4 C1 H5 111.403 H6 N2 H7 109.788
H6 N2 H8 109.788 H7 N2 H8 109.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.661      
2 N -0.318      
3 H 0.218      
4 H 0.218      
5 H 0.218      
6 H 0.108      
7 H 0.108      
8 H 0.108      


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 -0.413 0.413
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.385 0.000 0.000
y 0.000 -16.385 0.000
z 0.000 0.000 -16.213
Traceless
 xyz
x -0.086 0.000 0.000
y 0.000 -0.086 0.000
z 0.000 0.000 0.172
Polar
3z2-r20.345
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 6.215 0.000 0.000
y 0.000 6.215 0.000
z 0.000 0.000 6.365


<r2> (average value of r2) Å2
<r2> 32.298
(<r2>)1/2 5.683