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

using model chemistry: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-96.395852
Energy at 298.15K-96.402954
HF Energy-96.395852
Nuclear repulsion energy47.413481
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 B3LYPultrafine/cc-pVTZ
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 3052 2951 89.77      
2 A1 2794 2701 44.77      
3 A1 1365 1320 69.51      
4 A1 1258 1216 204.93      
5 A1 894 864 35.91      
6 A2 280 270 0.00      
7 E 3139 3035 7.83      
7 E 3139 3035 7.83      
8 E 2442 2361 3202.99      
8 E 2442 2361 3203.13      
9 E 1475 1426 2.06      
9 E 1475 1426 2.06      
10 E 1374 1328 0.07      
10 E 1374 1328 0.07      
11 E 1213 1172 57.78      
11 E 1213 1172 57.77      
12 E 868 839 74.47      
12 E 868 839 74.47      

Unscaled Zero Point Vibrational Energy (zpe) 15331.6 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 14821.0 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 B3LYPultrafine/cc-pVTZ
ABC
2.71519 0.67011 0.67011

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.799
N2 0.000 0.000 0.707
H3 0.000 -1.035 -1.131
H4 -0.896 0.517 -1.131
H5 0.896 0.517 -1.131
H6 0.000 0.991 1.080
H7 -0.858 -0.496 1.080
H8 0.858 -0.496 1.080

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50601.08681.08681.08682.12432.12432.1243
N21.50602.10932.10932.10931.05901.05901.0590
H31.08682.10931.79241.79242.99882.43212.4321
H41.08682.10931.79241.79242.43212.43212.9988
H51.08682.10931.79241.79242.43212.99882.4321
H62.12431.05902.99882.43212.43211.71691.7169
H72.12431.05902.43212.43212.99881.71691.7169
H82.12431.05902.43212.99882.43211.71691.7169

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 110.610 C1 N2 H7 110.610
C1 N2 H8 110.610 N2 C1 H3 107.786
N2 C1 H4 107.786 N2 C1 H5 107.786
H3 C1 H4 111.103 H3 C1 H5 111.103
H4 C1 H5 111.103 H6 N2 H7 108.309
H6 N2 H8 108.309 H7 N2 H8 108.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 N 0.371      
3 H 0.070      
4 H 0.070      
5 H 0.070      
6 H -0.158      
7 H -0.158      
8 H -0.158      


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 -1.374 1.374
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.906 0.000 0.000
y 0.000 -18.906 0.000
z 0.000 0.000 -18.016
Traceless
 xyz
x -0.445 0.000 0.000
y 0.000 -0.445 0.000
z 0.000 0.000 0.890
Polar
3z2-r21.780
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 14.281 0.000 0.000
y 0.000 14.280 -0.000
z 0.000 -0.000 9.456


<r2> (average value of r2) Å2
<r2> 32.448
(<r2>)1/2 5.696