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

using model chemistry: B97D3/STO-3G

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/STO-3G
 hartrees
Energy at 0K-95.108957
Energy at 298.15K 
HF Energy-95.108957
Nuclear repulsion energy36.668071
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/STO-3G
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 3269 3269 46.70      
2 A1 3247 3247 2.31      
3 A1 1362 1362 0.01      
4 A1 540 540 4.72      
5 A1 139 139 5.15      
6 A1 15 15 0.00      
7 E 3546 3546 24.01      
7 E 3546 3546 24.01      
8 E 3511 3511 3.42      
8 E 3511 3511 3.42      
9 E 1899 1899 1.06      
9 E 1899 1899 1.05      
10 E 1547 1547 0.05      
10 E 1547 1547 0.05      
11 E 247 247 0.19      
11 E 247 247 0.19      
12 E 24i 24i 74.04      
12 E 24i 24i 74.03      

Unscaled Zero Point Vibrational Energy (zpe) 15011.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15011.5 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/STO-3G
ABC
2.68454 0.24395 0.24395

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.494
N2 0.000 0.000 1.244
H3 0.000 -1.085 -1.660
H4 -0.940 0.543 -1.660
H5 0.940 0.543 -1.660
H6 0.000 0.948 1.745
H7 -0.821 -0.474 1.745
H8 0.821 -0.474 1.745

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C12.73721.09811.09811.09813.37453.37453.3745
N22.73723.09993.09993.09991.07241.07241.0724
H31.09813.09991.88011.88013.96603.55553.5555
H41.09813.09991.88011.88013.55553.55553.9660
H51.09813.09991.88011.88013.55553.96603.5555
H63.37451.07243.96603.55553.55551.64201.6420
H73.37451.07243.55553.55553.96601.64201.6420
H83.37451.07243.55553.96603.55551.64201.6420

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 117.874 C1 N2 H7 117.874
C1 N2 H8 117.874 N2 C1 H3 98.715
N2 C1 H4 98.715 N2 C1 H5 98.715
H3 C1 H4 117.747 H3 C1 H5 117.747
H4 C1 H5 117.747 H6 N2 H7 99.912
H6 N2 H8 99.912 H7 N2 H8 99.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.192      
2 N -0.400      
3 H 0.052      
4 H 0.052      
5 H 0.052      
6 H 0.145      
7 H 0.145      
8 H 0.145      


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 2.226 2.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.936 0.000 0.000
y 0.000 -12.936 0.000
z 0.000 0.000 -9.275
Traceless
 xyz
x -1.831 0.000 0.000
y 0.000 -1.831 0.000
z 0.000 0.000 3.662
Polar
3z2-r27.324
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 1.706 0.000 0.000
y 0.000 1.706 0.000
z 0.000 0.000 1.805


<r2> (average value of r2) Å2
<r2> 55.161
(<r2>)1/2 7.427