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

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-96.255406
Energy at 298.15K-96.262308
HF Energy-96.255406
Nuclear repulsion energy47.007849
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 M06-2X/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 3114 2949 28.78      
2 A1 2549 2414 23.15      
3 A1 1345 1273 89.37      
4 A1 1145 1084 22.22      
5 A1 858 812 27.27      
6 A2 288 273 0.00      
7 E 3212 3041 9.74      
7 E 3211 3041 9.64      
8 E 1673 1584 2914.15      
8 E 1673 1584 2908.97      
9 E 1502 1422 76.92      
9 E 1502 1422 76.65      
10 E 1242 1176 0.23      
10 E 1242 1176 0.22      
11 E 911 863 578.94      
11 E 911 863 579.31      
12 E 792 750 1276.85      
12 E 792 750 1276.90      

Unscaled Zero Point Vibrational Energy (zpe) 13979.4 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 13238.5 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 M06-2X/6-31G*
ABC
2.60587 0.66835 0.66835

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.798
N2 0.000 0.000 0.709
H3 0.000 -1.038 -1.128
H4 -0.899 0.519 -1.128
H5 0.899 0.519 -1.128
H6 0.000 1.030 1.069
H7 -0.892 -0.515 1.069
H8 0.892 -0.515 1.069

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50701.08981.08981.08982.13252.13252.1325
N21.50702.11072.11072.11071.09131.09131.0913
H31.08982.11071.79871.79873.01822.42902.4290
H41.08982.11071.79871.79872.42902.42903.0182
H51.08982.11071.79871.79872.42903.01822.4290
H62.13251.09133.01822.42902.42901.78421.7842
H72.13251.09132.42902.42903.01821.78421.7842
H82.13251.09132.42903.01822.42901.78421.7842

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 109.273 C1 N2 H7 109.273
C1 N2 H8 109.273 N2 C1 H3 107.656
N2 C1 H4 107.656 N2 C1 H5 107.656
H3 C1 H4 111.224 H3 C1 H5 111.224
H4 C1 H5 111.224 H6 N2 H7 109.668
H6 N2 H8 109.668 H7 N2 H8 109.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.382      
2 N -0.405      
3 H 0.175      
4 H 0.175      
5 H 0.175      
6 H 0.087      
7 H 0.087      
8 H 0.087      


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 -1.121 1.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.973 0.000 0.000
y 0.000 -16.973 0.000
z 0.000 0.000 -16.841
Traceless
 xyz
x -0.066 0.000 0.000
y 0.000 -0.066 0.000
z 0.000 0.000 0.132
Polar
3z2-r20.264
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 8.480 0.000 0.000
y 0.000 8.488 -0.010
z 0.000 -0.010 5.019


<r2> (average value of r2) Å2
<r2> 31.583
(<r2>)1/2 5.620