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

using model chemistry: PBE1PBE/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-96.288821
Energy at 298.15K-96.295969
HF Energy-96.288821
Nuclear repulsion energy47.822639
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-pVTZ
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 3079 2961 73.95      
2 A1 3040 2923 95.89      
3 A1 1404 1350 0.22      
4 A1 1363 1311 861.83      
5 A1 970 933 70.17      
6 A2 277 266 0.00      
7 E 3178 3055 0.66      
7 E 3178 3055 0.68      
8 E 2932 2820 3750.04      
8 E 2932 2819 3754.20      
9 E 1495 1438 214.00      
9 E 1495 1438 213.87      
10 E 1472 1415 28.49      
10 E 1472 1415 28.47      
11 E 1247 1199 0.15      
11 E 1247 1199 0.15      
12 E 885 851 143.03      
12 E 885 851 142.86      

Unscaled Zero Point Vibrational Energy (zpe) 16274.8 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 15648.3 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-pVTZ
ABC
2.77811 0.68008 0.68008

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.791
N2 0.000 0.000 0.700
H3 0.000 -1.033 -1.131
H4 -0.894 0.516 -1.131
H5 0.894 0.516 -1.131
H6 0.000 0.970 1.079
H7 -0.840 -0.485 1.079
H8 0.840 -0.485 1.079

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49081.08741.08741.08742.10622.10622.1062
N21.49082.10252.10252.10251.04121.04121.0412
H31.08742.10251.78871.78872.98252.42712.4271
H41.08742.10251.78871.78872.42712.42712.9825
H51.08742.10251.78871.78872.42712.98252.4271
H62.10621.04122.98252.42712.42711.67971.6797
H72.10621.04122.42712.42712.98251.67971.6797
H82.10621.04122.42712.98252.42711.67971.6797

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 111.339 C1 N2 H7 111.339
C1 N2 H8 111.339 N2 C1 H3 108.255
N2 C1 H4 108.255 N2 C1 H5 108.255
H3 C1 H4 110.660 H3 C1 H5 110.660
H4 C1 H5 110.660 H6 N2 H7 107.541
H6 N2 H8 107.541 H7 N2 H8 107.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.444      
2 N -0.044      
3 H 0.289      
4 H 0.289      
5 H 0.289      
6 H -0.126      
7 H -0.126      
8 H -0.126      


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 -2.725 2.725
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.285 0.000 0.000
y 0.000 -24.285 0.000
z 0.000 0.000 -23.085
Traceless
 xyz
x -0.600 0.000 0.000
y 0.000 -0.600 0.000
z 0.000 0.000 1.200
Polar
3z2-r22.399
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 52.839 0.000 0.000
y 0.000 52.815 -0.009
z 0.000 -0.009 30.330


<r2> (average value of r2) Å2
<r2> 35.453
(<r2>)1/2 5.954