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

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-96.262520
Energy at 298.15K-96.269678
HF Energy-96.262520
Nuclear repulsion energy47.688614
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 PBE1PBE/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3089 2970 74.28      
2 A1 3024 2908 76.82      
3 A1 1383 1330 19.43      
4 A1 1345 1293 824.20      
5 A1 980 943 77.90      
6 A2 288 277 0.00      
7 E 3198 3075 0.27      
7 E 3198 3075 0.26      
8 E 2927 2814 3832.14      
8 E 2927 2814 3834.14      
9 E 1473 1416 187.55      
9 E 1473 1416 187.61      
10 E 1453 1397 20.29      
10 E 1453 1397 20.26      
11 E 1235 1188 0.34      
11 E 1235 1188 0.33      
12 E 883 849 139.95      
12 E 883 849 140.15      

Unscaled Zero Point Vibrational Energy (zpe) 16222.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 15599.9 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 PBE1PBE/aug-cc-pVDZ
ABC
2.75172 0.67802 0.67802

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.792
N2 0.000 0.000 0.700
H3 0.000 -1.040 -1.133
H4 -0.900 0.520 -1.133
H5 0.900 0.520 -1.133
H6 0.000 0.972 1.082
H7 -0.842 -0.486 1.082
H8 0.842 -0.486 1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49161.09411.09411.09412.11112.11112.1111
N21.49162.10702.10702.10701.04481.04481.0448
H31.09412.10701.80071.80072.99232.43342.4334
H41.09412.10701.80071.80072.43342.43342.9923
H51.09412.10701.80071.80072.43342.99232.4334
H62.11111.04482.99232.43342.43341.68411.6841
H72.11111.04482.43342.43342.99231.68411.6841
H82.11111.04482.43342.99232.43341.68411.6841

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 111.465 C1 N2 H7 111.465
C1 N2 H8 111.465 N2 C1 H3 108.161
N2 C1 H4 108.161 N2 C1 H5 108.161
H3 C1 H4 110.749 H3 C1 H5 110.749
H4 C1 H5 110.749 H6 N2 H7 107.406
H6 N2 H8 107.406 H7 N2 H8 107.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.025      
2 N -0.109      
3 H -0.155      
4 H -0.155      
5 H -0.155      
6 H -0.150      
7 H -0.150      
8 H -0.150      


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 -2.696 2.696
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.000 0.000 0.000
y 0.000 -24.000 0.000
z 0.000 0.000 -23.013
Traceless
 xyz
x -0.493 0.000 0.000
y 0.000 -0.493 0.000
z 0.000 0.000 0.986
Polar
3z2-r21.972
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 50.005 0.000 0.000
y 0.000 49.983 -0.011
z 0.000 -0.011 28.765


<r2> (average value of r2) Å2
<r2> 35.415
(<r2>)1/2 5.951