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

using model chemistry: HSEh1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-96.219173
Energy at 298.15K 
HF Energy-96.219173
Nuclear repulsion energy47.197530
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 HSEh1PBE/6-31G(2df,p)
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 3065 2936 64.44      
2 A1 2528 2421 94.24      
3 A1 1310 1254 130.49      
4 A1 1126 1078 10.04      
5 A1 880 842 33.06      
6 A2 278 266 0.00      
7 E 3170 3036 13.81      
7 E 3170 3036 13.82      
8 E 1634 1565 2345.06      
8 E 1634 1565 2345.85      
9 E 1457 1395 103.65      
9 E 1457 1395 103.57      
10 E 1220 1168 9.64      
10 E 1220 1168 9.63      
11 E 857 821 13.40      
11 E 857 821 13.40      
12 E 136i 130i 3000.26      
12 E 136i 130i 3001.16      

Unscaled Zero Point Vibrational Energy (zpe) 12795.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 12253.8 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 HSEh1PBE/6-31G(2df,p)
ABC
2.58843 0.67846 0.67846

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.789
N2 0.000 0.000 0.708
H3 0.000 -1.040 -1.120
H4 -0.901 0.520 -1.120
H5 0.901 0.520 -1.120
H6 0.000 1.035 1.046
H7 -0.897 -0.518 1.046
H8 0.897 -0.518 1.046

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49721.09151.09151.09152.10672.10672.1067
N21.49722.10332.10332.10331.08911.08911.0891
H31.09152.10331.80161.80162.99972.40142.4014
H41.09152.10331.80161.80162.40142.40142.9997
H51.09152.10331.80161.80162.40142.99972.4014
H62.10671.08912.99972.40142.40141.79351.7935
H72.10671.08912.40142.40142.99971.79351.7935
H82.10671.08912.40142.99972.40141.79351.7935

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 108.053 C1 N2 H7 108.053
C1 N2 H8 108.053 N2 C1 H3 107.647
N2 C1 H4 107.647 N2 C1 H5 107.647
H3 C1 H4 111.232 H3 C1 H5 111.232
H4 C1 H5 111.232 H6 N2 H7 110.851
H6 N2 H8 110.851 H7 N2 H8 110.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.364      
2 N -0.141      
3 H 0.144      
4 H 0.144      
5 H 0.144      
6 H 0.024      
7 H 0.024      
8 H 0.024      


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 -0.909 0.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.793 0.000 0.000
y 0.000 -16.793 0.000
z 0.000 0.000 -16.445
Traceless
 xyz
x -0.174 0.000 0.000
y 0.000 -0.174 0.000
z 0.000 0.000 0.347
Polar
3z2-r20.695
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 8.444 0.000 0.000
y 0.000 8.442 0.000
z 0.000 0.000 5.496


<r2> (average value of r2) Å2
<r2> 31.168
(<r2>)1/2 5.583