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

using model chemistry: B3LYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-96.408222
Energy at 298.15K-96.415373
HF Energy-96.408222
Nuclear repulsion energy47.636181
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 B3LYP/6-311+G(3df,2p)
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 3056 2955 49.40      
2 A1 2959 2861 7.85      
3 A1 1399 1352 18.82      
4 A1 1324 1281 519.59      
5 A1 923 892 51.39      
6 A2 292 282 0.00      
7 E 3145 3041 1.53      
7 E 3145 3041 1.53      
8 E 2840 2747 1305.68      
8 E 2840 2747 1306.77      
9 E 1488 1439 47.55      
9 E 1488 1439 47.73      
10 E 1475 1426 13.99      
10 E 1475 1426 14.04      
11 E 1243 1202 0.02      
11 E 1243 1202 0.02      
12 E 884 855 73.22      
12 E 884 855 73.41      

Unscaled Zero Point Vibrational Energy (zpe) 16050.0 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 15520.4 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 B3LYP/6-311+G(3df,2p)
ABC
2.76101 0.67349 0.67349

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.796
N2 0.000 0.000 0.705
H3 0.000 -1.033 -1.133
H4 -0.895 0.516 -1.133
H5 0.895 0.516 -1.133
H6 0.000 0.976 1.081
H7 -0.845 -0.488 1.081
H8 0.845 -0.488 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50111.08651.08651.08652.11552.11552.1155
N21.50112.10832.10832.10831.04581.04581.0458
H31.08652.10831.78911.78912.98932.43142.4314
H41.08652.10831.78911.78912.43142.43142.9893
H51.08652.10831.78911.78912.43142.98932.4314
H62.11551.04582.98932.43142.43141.69031.6903
H72.11551.04582.43142.43142.98931.69031.6903
H82.11551.04582.43142.98932.43141.69031.6903

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 111.062 C1 N2 H7 111.062
C1 N2 H8 111.062 N2 C1 H3 108.055
N2 C1 H4 108.055 N2 C1 H5 108.055
H3 C1 H4 110.849 H3 C1 H5 110.849
H4 C1 H5 110.849 H6 N2 H7 107.834
H6 N2 H8 107.834 H7 N2 H8 107.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.525      
2 N 0.347      
3 H 0.211      
4 H 0.211      
5 H 0.211      
6 H 0.181      
7 H 0.181      
8 H 0.181      


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 -1.309 1.309
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.201 0.000 0.000
y 0.000 -22.201 0.000
z 0.000 0.000 -19.296
Traceless
 xyz
x -1.453 0.000 0.000
y 0.000 -1.453 0.000
z 0.000 0.000 2.905
Polar
3z2-r25.810
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 26.552 0.000 0.000
y 0.000 26.511 0.016
z 0.000 0.016 16.164


<r2> (average value of r2) Å2
<r2> 33.957
(<r2>)1/2 5.827