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

using model chemistry: PBEPBEultrafine/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-96.265125
Energy at 298.15K-96.272143
HF Energy-96.265125
Nuclear repulsion energy47.139131
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/Def2TZVPP
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 2986 2986 95.98      
2 A1 2693 2693 9.44      
3 A1 1299 1299 72.93      
4 A1 1189 1189 227.30      
5 A1 869 869 33.69      
6 A2 267 267 0.00      
7 E 3081 3081 7.99      
7 E 3081 3081 7.98      
8 E 2350 2350 3295.65      
8 E 2350 2350 3296.13      
9 E 1424 1424 4.45      
9 E 1424 1424 4.46      
10 E 1288 1288 0.04      
10 E 1288 1288 0.04      
11 E 1152 1152 71.42      
11 E 1152 1152 71.46      
12 E 837 837 70.00      
12 E 837 837 70.15      

Unscaled Zero Point Vibrational Energy (zpe) 14782.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14782.2 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 PBEPBEultrafine/Def2TZVPP
ABC
2.66570 0.66530 0.66530

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

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 0.709
H3 0.000 -1.043 -1.135
H4 -0.904 0.522 -1.135
H5 0.904 0.522 -1.135
H6 0.000 1.001 1.083
H7 -0.867 -0.501 1.083
H8 0.867 -0.501 1.083

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51001.09551.09551.09552.13362.13362.1336
N21.51002.11862.11862.11861.06901.06901.0690
H31.09552.11861.80731.80733.01662.44242.4424
H41.09552.11861.80731.80732.44242.44243.0166
H51.09552.11861.80731.80732.44243.01662.4424
H62.13361.06903.01662.44242.44241.73451.7345
H72.13361.06902.44242.44243.01661.73451.7345
H82.13361.06902.44243.01662.44241.73451.7345

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 110.479 C1 N2 H7 110.479
C1 N2 H8 110.479 N2 C1 H3 107.739
N2 C1 H4 107.739 N2 C1 H5 107.739
H3 C1 H4 111.146 H3 C1 H5 111.146
H4 C1 H5 111.146 H6 N2 H7 108.444
H6 N2 H8 108.444 H7 N2 H8 108.444
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.075      
2 N 0.511      
3 H 0.052      
4 H 0.052      
5 H 0.052      
6 H -0.197      
7 H -0.197      
8 H -0.197      


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 -1.408 1.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.200 0.000 0.000
y 0.000 -19.200 0.000
z 0.000 0.000 -18.229
Traceless
 xyz
x -0.485 0.000 0.000
y 0.000 -0.485 0.000
z 0.000 0.000 0.971
Polar
3z2-r21.941
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 15.104 0.000 0.000
y 0.000 15.103 -0.004
z 0.000 -0.004 9.373


<r2> (average value of r2) Å2
<r2> 32.815
(<r2>)1/2 5.728