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

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-96.323424
Energy at 298.15K-96.330490
HF Energy-96.323424
Nuclear repulsion energy46.983448
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 BLYP/6-31+G**
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 2995 2979 63.86      
2 A1 2786 2771 3.25      
3 A1 1338 1331 68.34      
4 A1 1263 1257 360.17      
5 A1 838 834 47.46      
6 A2 280 279 0.00      
7 E 3089 3072 0.58      
7 E 3089 3072 0.59      
8 E 2674 2660 812.09      
8 E 2674 2660 812.42      
9 E 1442 1434 4.57      
9 E 1442 1434 4.59      
10 E 1422 1415 16.05      
10 E 1422 1415 16.01      
11 E 1187 1181 0.40      
11 E 1187 1181 0.40      
12 E 856 851 24.72      
12 E 856 851 24.76      

Unscaled Zero Point Vibrational Energy (zpe) 15419.5 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 15337.8 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 BLYP/6-31+G**
ABC
2.68383 0.65527 0.65527

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.809
N2 0.000 0.000 0.715
H3 0.000 -1.045 -1.145
H4 -0.905 0.523 -1.145
H5 0.905 0.523 -1.145
H6 0.000 0.993 1.095
H7 -0.860 -0.496 1.095
H8 0.860 -0.496 1.095

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.52341.09781.09781.09782.14692.14692.1469
N21.52342.13292.13292.13291.06291.06291.0629
H31.09782.13291.81031.81033.02782.46082.4608
H41.09782.13291.81031.81032.46082.46083.0278
H51.09782.13291.81031.81032.46083.02782.4608
H62.14691.06293.02782.46082.46081.71911.7191
H72.14691.06292.46082.46083.02781.71911.7191
H82.14691.06292.46083.02782.46081.71911.7191

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 110.963 C1 N2 H7 110.963
C1 N2 H8 110.963 N2 C1 H3 107.812
N2 C1 H4 107.812 N2 C1 H5 107.812
H3 C1 H4 111.078 H3 C1 H5 111.078
H4 C1 H5 111.078 H6 N2 H7 107.939
H6 N2 H8 107.939 H7 N2 H8 107.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.748      
2 N 0.367      
3 H 0.184      
4 H 0.184      
5 H 0.184      
6 H 0.276      
7 H 0.276      
8 H 0.276      


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 -1.126 1.126
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.489 0.000 0.000
y 0.000 -21.489 0.000
z 0.000 0.000 -19.677
Traceless
 xyz
x -0.906 0.000 0.000
y 0.000 -0.906 0.000
z 0.000 0.000 1.812
Polar
3z2-r23.624
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 20.197 0.000 0.000
y 0.000 20.183 0.001
z 0.000 0.001 13.989


<r2> (average value of r2) Å2
<r2> 34.303
(<r2>)1/2 5.857