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

using model chemistry: B97D3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B97D3/6-31G
 hartrees
Energy at 0K-96.244725
Energy at 298.15K-96.250985
HF Energy-96.244725
Nuclear repulsion energy45.990202
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 B97D3/6-31G
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 3018 3018 57.93      
2 A1 2305 2305 104.61      
3 A1 1286 1286 154.09      
4 A1 1073 1073 18.02      
5 A1 597 597 0.00      
6 A2 233 233 0.00      
7 E 3133 3133 25.76      
7 E 3133 3133 25.79      
8 E 1501 1501 1530.85      
8 E 1501 1501 1531.23      
9 E 1468 1468 462.07      
9 E 1468 1468 463.22      
10 E 1143 1143 5.76      
10 E 1143 1143 5.77      
11 E 819 819 26.09      
11 E 819 819 26.10      
12 E 460 460 2720.05      
12 E 460 460 2722.44      

Unscaled Zero Point Vibrational Energy (zpe) 12781.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12781.1 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 B97D3/6-31G
ABC
2.52984 0.63226 0.63226

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.828
N2 0.000 0.000 0.732
H3 0.000 -1.047 -1.147
H4 -0.907 0.524 -1.147
H5 0.907 0.524 -1.147
H6 0.000 1.052 1.094
H7 -0.911 -0.526 1.094
H8 0.911 -0.526 1.094

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.56001.09501.09501.09502.19112.19112.1911
N21.56002.15182.15182.15181.11271.11271.1127
H31.09502.15181.81401.81403.07132.47532.4753
H41.09502.15181.81401.81402.47532.47533.0713
H51.09502.15181.81401.81402.47533.07132.4753
H62.19111.11273.07132.47532.47531.82241.8224
H72.19111.11272.47532.47533.07131.82241.8224
H82.19111.11272.47533.07132.47531.82241.8224

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 108.985 C1 N2 H7 108.985
C1 N2 H8 108.985 N2 C1 H3 106.977
N2 C1 H4 106.977 N2 C1 H5 106.977
H3 C1 H4 111.846 H3 C1 H5 111.846
H4 C1 H5 111.846 H6 N2 H7 109.953
H6 N2 H8 109.953 H7 N2 H8 109.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.329      
2 N -0.366      
3 H 0.160      
4 H 0.160      
5 H 0.160      
6 H 0.072      
7 H 0.072      
8 H 0.072      


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 -1.072 1.072
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.746 0.000 0.000
y 0.000 -16.746 0.000
z 0.000 0.000 -16.686
Traceless
 xyz
x -0.030 0.000 0.000
y 0.000 -0.030 0.000
z 0.000 0.000 0.060
Polar
3z2-r20.121
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 8.109 0.000 0.000
y 0.000 8.103 -0.000
z 0.000 -0.000 5.498


<r2> (average value of r2) Å2
<r2> 32.465
(<r2>)1/2 5.698