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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-96.294724
Energy at 298.15K-96.301846
HF Energy-96.156367
Nuclear repulsion energy47.506369
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 B2PLYP/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 3081 2956 77.90      
2 A1 2833 2718 38.40      
3 A1 1377 1321 59.86      
4 A1 1264 1213 223.35      
5 A1 913 876 37.33      
6 A2 286 275 0.00      
7 E 3176 3047 4.89      
7 E 3176 3047 4.88      
8 E 2500 2399 3263.79      
8 E 2500 2399 3263.67      
9 E 1492 1432 0.95      
9 E 1492 1432 0.94      
10 E 1395 1338 0.37      
10 E 1395 1338 0.37      
11 E 1223 1173 44.45      
11 E 1223 1173 44.42      
12 E 870 834 85.38      
12 E 870 834 85.47      

Unscaled Zero Point Vibrational Energy (zpe) 15532.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 14902.2 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 B2PLYP/cc-pVTZ
ABC
2.72703 0.67252 0.67252

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

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 0.706
H3 0.000 -1.033 -1.129
H4 -0.895 0.517 -1.129
H5 0.895 0.517 -1.129
H6 0.000 0.988 1.078
H7 -0.856 -0.494 1.078
H8 0.856 -0.494 1.078

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50341.08491.08491.08492.12032.12032.1203
N21.50342.10542.10542.10541.05631.05631.0563
H31.08492.10541.78961.78962.99292.42772.4277
H41.08492.10541.78961.78962.42772.42772.9929
H51.08492.10541.78961.78962.42772.99292.4277
H62.12031.05632.99292.42772.42771.71211.7121
H72.12031.05632.42772.42772.99291.71211.7121
H82.12031.05632.42772.99292.42771.71211.7121

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 110.646 C1 N2 H7 110.646
C1 N2 H8 110.646 N2 C1 H3 107.767
N2 C1 H4 107.767 N2 C1 H5 107.767
H3 C1 H4 111.121 H3 C1 H5 111.121
H4 C1 H5 111.121 H6 N2 H7 108.271
H6 N2 H8 108.271 H7 N2 H8 108.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 N 0.367      
3 H 0.080      
4 H 0.080      
5 H 0.080      
6 H -0.155      
7 H -0.155      
8 H -0.155      


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 -1.409 1.409
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.945 0.000 0.000
y 0.000 -18.945 0.000
z 0.000 0.000 -18.066
Traceless
 xyz
x -0.439 0.000 0.000
y 0.000 -0.439 0.000
z 0.000 0.000 0.878
Polar
3z2-r21.757
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 14.222 0.000 0.000
y 0.000 14.223 -0.001
z 0.000 -0.001 9.263


<r2> (average value of r2) Å2
<r2> 32.397
(<r2>)1/2 5.692