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

using model chemistry: B3LYPultrafine/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-96.380249
Energy at 298.15K-96.387389
HF Energy-96.380249
Nuclear repulsion energy47.493533
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/6-31+G**
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 3073 2958 56.62      
2 A1 2943 2833 6.61      
3 A1 1393 1341 59.70      
4 A1 1326 1277 430.35      
5 A1 918 883 53.97      
6 A2 292 281 0.00      
7 E 3169 3051 0.20      
7 E 3169 3051 0.20      
8 E 2851 2744 991.84      
8 E 2851 2744 990.84      
9 E 1490 1435 42.85      
9 E 1490 1435 42.85      
10 E 1481 1426 1.77      
10 E 1481 1426 1.73      
11 E 1234 1188 0.10      
11 E 1234 1188 0.10      
12 E 883 850 40.30      
12 E 883 850 40.37      

Unscaled Zero Point Vibrational Energy (zpe) 16080.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 15480.2 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 B3LYPultrafine/6-31+G**
ABC
2.74192 0.67029 0.67029

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.798
N2 0.000 0.000 0.706
H3 0.000 -1.037 -1.137
H4 -0.898 0.518 -1.137
H5 0.898 0.518 -1.137
H6 0.000 0.979 1.085
H7 -0.848 -0.490 1.085
H8 0.848 -0.490 1.085

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50331.09081.09081.09082.12232.12232.1223
N21.50332.11412.11412.11411.05021.05021.0502
H31.09082.11411.79561.79563.00032.44062.4406
H41.09082.11411.79561.79562.44062.44063.0003
H51.09082.11411.79561.79562.44063.00032.4406
H62.12231.05023.00032.44062.44061.69601.6960
H72.12231.05022.44062.44063.00031.69601.6960
H82.12231.05022.44063.00032.44061.69601.6960

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 111.193 C1 N2 H7 111.193
C1 N2 H8 111.193 N2 C1 H3 108.122
N2 C1 H4 108.122 N2 C1 H5 108.122
H3 C1 H4 110.787 H3 C1 H5 110.787
H4 C1 H5 110.787 H6 N2 H7 107.696
H6 N2 H8 107.696 H7 N2 H8 107.696
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.775      
2 N 0.320      
3 H 0.189      
4 H 0.189      
5 H 0.189      
6 H 0.296      
7 H 0.296      
8 H 0.296      


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 -1.271 1.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.620 0.000 0.000
y 0.000 -21.620 0.000
z 0.000 0.000 -19.825
Traceless
 xyz
x -0.898 0.000 0.000
y 0.000 -0.898 0.000
z 0.000 0.000 1.796
Polar
3z2-r23.591
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 22.120 0.000 0.000
y 0.000 22.099 -0.005
z 0.000 -0.005 14.732


<r2> (average value of r2) Å2
<r2> 33.944
(<r2>)1/2 5.826