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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-96.251367
Energy at 298.15K-96.258452
HF Energy-96.251367
Nuclear repulsion energy47.200102
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 PBEPBEultrafine/aug-cc-pVDZ
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 3000 2982 97.59      
2 A1 2843 2826 30.07      
3 A1 1320 1312 46.75      
4 A1 1269 1261 669.96      
5 A1 912 907 74.92      
6 A2 277 276 0.00      
7 E 3106 3087 2.34      
7 E 3106 3087 2.34      
8 E 2711 2694 2880.88      
8 E 2711 2694 2880.74      
9 E 1406 1398 14.07      
9 E 1406 1398 14.07      
10 E 1380 1371 71.86      
10 E 1380 1371 71.90      
11 E 1183 1176 4.64      
11 E 1183 1176 4.63      
12 E 854 849 84.86      
12 E 854 849 84.84      

Unscaled Zero Point Vibrational Energy (zpe) 15449.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 15355.6 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
2.68669 0.66509 0.66509

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.801
N2 0.000 0.000 0.707
H3 0.000 -1.049 -1.139
H4 -0.908 0.524 -1.139
H5 0.908 0.524 -1.139
H6 0.000 0.988 1.089
H7 -0.855 -0.494 1.089
H8 0.855 -0.494 1.089

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50811.10191.10191.10192.13252.13252.1325
N21.50812.12332.12332.12331.05891.05891.0589
H31.10192.12331.81641.81643.01862.45042.4504
H41.10192.12331.81641.81642.45042.45043.0186
H51.10192.12331.81641.81642.45043.01862.4504
H62.13251.05893.01862.45042.45041.71071.7107
H72.13251.05892.45042.45043.01861.71071.7107
H82.13251.05892.45043.01862.45041.71071.7107

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 111.144 C1 N2 H7 111.144
C1 N2 H8 111.144 N2 C1 H3 107.873
N2 C1 H4 107.873 N2 C1 H5 107.873
H3 C1 H4 111.021 H3 C1 H5 111.021
H4 C1 H5 111.021 H6 N2 H7 107.748
H6 N2 H8 107.748 H7 N2 H8 107.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.123      
2 N 0.024      
3 H -0.219      
4 H -0.219      
5 H -0.219      
6 H -0.163      
7 H -0.163      
8 H -0.163      


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 -2.326 2.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.722 0.000 0.000
y 0.000 -23.722 0.000
z 0.000 0.000 -22.110
Traceless
 xyz
x -0.806 0.000 0.000
y 0.000 -0.806 0.000
z 0.000 0.000 1.611
Polar
3z2-r23.223
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 42.471 0.000 0.000
y 0.000 42.467 -0.005
z 0.000 -0.005 26.435


<r2> (average value of r2) Å2
<r2> 35.507
(<r2>)1/2 5.959