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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-96.416542
Energy at 298.15K-96.423676
HF Energy-96.416542
Nuclear repulsion energy47.604113
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 B3LYPultrafine/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 3064 2964 71.64      
2 A1 2988 2891 40.58      
3 A1 1406 1360 0.10      
4 A1 1368 1324 585.52      
5 A1 918 888 53.88      
6 A2 273 264 0.00      
7 E 3153 3051 0.01      
7 E 3153 3051 0.01      
8 E 2878 2785 2458.74      
8 E 2878 2785 2459.08      
9 E 1497 1448 83.61      
9 E 1497 1448 83.61      
10 E 1476 1428 27.17      
10 E 1476 1428 27.18      
11 E 1244 1204 1.59      
11 E 1244 1204 1.58      
12 E 888 859 72.93      
12 E 888 859 72.95      

Unscaled Zero Point Vibrational Energy (zpe) 16144.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 15620.0 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 B3LYPultrafine/aug-cc-pVTZ
ABC
2.76952 0.67067 0.67067

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.799
N2 0.000 0.000 0.706
H3 0.000 -1.033 -1.135
H4 -0.894 0.516 -1.135
H5 0.894 0.516 -1.135
H6 0.000 0.973 1.084
H7 -0.843 -0.487 1.084
H8 0.843 -0.487 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50511.08601.08601.08602.11952.11952.1195
N21.50512.11132.11132.11131.04391.04391.0439
H31.08602.11131.78831.78832.99142.43602.4360
H41.08602.11131.78831.78832.43602.43602.9914
H51.08602.11131.78831.78832.43602.99142.4360
H62.11951.04392.99142.43602.43601.68561.6856
H72.11951.04392.43602.43602.99141.68561.6856
H82.11951.04392.43602.99142.43601.68561.6856

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 111.212 C1 N2 H7 111.212
C1 N2 H8 111.212 N2 C1 H3 108.053
N2 C1 H4 108.053 N2 C1 H5 108.053
H3 C1 H4 110.851 H3 C1 H5 110.851
H4 C1 H5 110.851 H6 N2 H7 107.676
H6 N2 H8 107.676 H7 N2 H8 107.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.447      
2 N 0.020      
3 H 0.260      
4 H 0.260      
5 H 0.260      
6 H -0.118      
7 H -0.118      
8 H -0.118      


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 -2.534 2.534
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.077 0.000 0.000
y 0.000 -24.077 0.000
z 0.000 0.000 -22.557
Traceless
 xyz
x -0.760 0.000 0.000
y 0.000 -0.760 0.000
z 0.000 0.000 1.520
Polar
3z2-r23.040
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 42.980 0.000 0.000
y 0.000 42.975 -0.002
z 0.000 -0.002 26.538


<r2> (average value of r2) Å2
<r2> 35.474
(<r2>)1/2 5.956