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

using model chemistry: wB97X-D/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at wB97X-D/SDD
 hartrees
Energy at 0K-96.268048
Energy at 298.15K 
HF Energy-96.268048
Nuclear repulsion energy 
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 wB97X-D/SDD
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 3103 3103 33.91      
2 A1 2444 2444 320.67      
3 A1 1319 1319 128.93      
4 A1 1152 1152 2.10      
5 A1 607 607 51.74      
6 A2 254 254 0.00      
7 E 3221 3221 14.21      
7 E 3221 3221 14.23      
8 E 1511 1511 23.57      
8 E 1511 1511 23.57      
9 E 1438 1438 1190.89      
9 E 1438 1438 1191.65      
10 E 1158 1158 19.00      
10 E 1158 1158 19.08      
11 E 852 852 13.03      
11 E 852 852 13.06      
12 E 471i 471i 3531.09      
12 E 471i 471i 3533.31      

Unscaled Zero Point Vibrational Energy (zpe) 12148.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12148.3 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 wB97X-D/SDD
ABC
2.57568 0.63854 0.63854

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.820
N2 0.000 0.000 0.729
H3 0.000 -1.040 -1.153
H4 -0.900 0.520 -1.153
H5 0.900 0.520 -1.153
H6 0.000 1.041 1.091
H7 -0.902 -0.521 1.091
H8 0.902 -0.521 1.091

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.54911.09161.09161.09162.17602.17602.1760
N21.54912.15002.15002.15001.10211.10211.1021
H31.09162.15001.80061.80063.05992.47302.4730
H41.09162.15001.80061.80062.47302.47303.0599
H51.09162.15001.80061.80062.47303.05992.4730
H62.17601.10213.05992.47302.47301.80331.8033
H72.17601.10212.47302.47303.05991.80331.8033
H82.17601.10212.47303.05992.47301.80331.8033

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 109.151 C1 N2 H7 109.151
C1 N2 H8 109.151 N2 C1 H3 107.754
N2 C1 H4 107.754 N2 C1 H5 107.754
H3 C1 H4 111.133 H3 C1 H5 111.133
H4 C1 H5 111.133 H6 N2 H7 109.790
H6 N2 H8 109.790 H7 N2 H8 109.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.660      
2 N -0.335      
3 H 0.224      
4 H 0.224      
5 H 0.224      
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 -0.553 0.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.414 0.000 0.000
y 0.000 -16.414 0.000
z 0.000 0.000 -16.137
Traceless
 xyz
x -0.139 0.000 0.000
y 0.000 -0.139 0.000
z 0.000 0.000 0.278
Polar
3z2-r20.555
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 6.709 0.000 0.000
y 0.000 6.706 0.001
z 0.000 0.001 6.172


<r2> (average value of r2) Å2
<r2> 32.000
(<r2>)1/2 5.657