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

using model chemistry: wB97X-D/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at wB97X-D/cc-pVQZ
 hartrees
Energy at 0K-96.364980
Energy at 298.15K-96.372170
HF Energy-96.364980
Nuclear repulsion energy 
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 wB97X-D/cc-pVQZ
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 3084 3084 60.25      
2 A1 2904 2904 0.45      
3 A1 1385 1385 42.55      
4 A1 1286 1286 308.59      
5 A1 951 951 40.09      
6 A2 332 332 0.00      
7 E 3181 3181 1.55      
7 E 3181 3181 1.55      
8 E 2603 2603 4393.00      
8 E 2603 2603 4390.52      
9 E 1486 1486 0.13      
9 E 1486 1486 0.11      
10 E 1423 1423 63.63      
10 E 1423 1423 64.05      
11 E 1226 1226 23.97      
11 E 1226 1226 23.73      
12 E 878 878 131.83      
12 E 878 878 131.70      

Unscaled Zero Point Vibrational Energy (zpe) 15767.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15767.0 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 wB97X-D/cc-pVQZ
ABC
2.75292 0.67774 0.67774

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVQZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.793
N2 0.000 0.000 0.701
H3 0.000 -1.032 -1.130
H4 -0.894 0.516 -1.130
H5 0.894 0.516 -1.130
H6 0.000 0.980 1.080
H7 -0.849 -0.490 1.080
H8 0.849 -0.490 1.080

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49391.08571.08571.08572.11402.11402.1140
N21.49392.10162.10162.10161.05071.05071.0507
H31.08572.10161.78781.78782.98872.42872.4287
H41.08572.10161.78781.78782.42872.42872.9887
H51.08572.10161.78781.78782.42872.98872.4287
H62.11401.05072.98872.42872.42871.69701.6970
H72.11401.05072.42872.42872.98871.69701.6970
H82.11401.05072.42872.98872.42871.69701.6970

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 111.165 C1 N2 H7 111.165
C1 N2 H8 111.165 N2 C1 H3 108.074
N2 C1 H4 108.074 N2 C1 H5 108.074
H3 C1 H4 110.832 H3 C1 H5 110.832
H4 C1 H5 110.832 H6 N2 H7 107.726
H6 N2 H8 107.726 H7 N2 H8 107.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.229      
2 N 0.614      
3 H -0.011      
4 H -0.011      
5 H -0.011      
6 H -0.270      
7 H -0.270      
8 H -0.270      


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 -1.812 1.812
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.767 0.000 0.000
y 0.000 -19.767 0.000
z 0.000 0.000 -18.668
Traceless
 xyz
x -0.550 0.000 0.000
y 0.000 -0.550 0.000
z 0.000 0.000 1.099
Polar
3z2-r22.198
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 19.991 0.000 0.000
y 0.000 19.977 0.009
z 0.000 0.009 10.570


<r2> (average value of r2) Å2
<r2> 32.735
(<r2>)1/2 5.721