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

using model chemistry: B97D3/6-311+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 B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-96.336565
Energy at 298.15K-96.343631
HF Energy-96.336565
Nuclear repulsion energy47.346519
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 B97D3/6-311+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 2999 2960 101.10      
2 A1 2759 2723 37.54      
3 A1 1344 1327 32.55      
4 A1 1190 1174 1436.53      
5 A1 842 831 227.05      
6 A2 282 278 0.00      
7 E 3094 3054 1.27      
7 E 3094 3054 1.26      
8 E 2564 2530 3248.19      
8 E 2563 2530 3256.94      
9 E 1446 1427 47.82      
9 E 1446 1427 48.32      
10 E 1383 1365 222.22      
10 E 1383 1365 222.77      
11 E 1196 1181 0.93      
11 E 1196 1181 0.93      
12 E 850 839 241.11      
12 E 850 839 240.00      

Unscaled Zero Point Vibrational Energy (zpe) 15239.9 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 15041.8 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 B97D3/6-311+G(3df,2p)
ABC
2.71980 0.66601 0.66601

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.803
N2 0.000 0.000 0.709
H3 0.000 -1.039 -1.134
H4 -0.900 0.520 -1.134
H5 0.900 0.520 -1.134
H6 0.000 0.985 1.085
H7 -0.853 -0.492 1.085
H8 0.853 -0.492 1.085

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51131.09091.09091.09092.12932.12932.1293
N21.51132.11562.11562.11561.05431.05431.0543
H31.09092.11561.80031.80033.00372.43962.4396
H41.09092.11561.80031.80032.43962.43963.0037
H51.09092.11561.80031.80032.43963.00372.4396
H62.12931.05433.00372.43962.43961.70561.7056
H72.12931.05432.43962.43963.00371.70561.7056
H82.12931.05432.43963.00372.43961.70561.7056

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 110.929 C1 N2 H7 110.929
C1 N2 H8 110.929 N2 C1 H3 107.684
N2 C1 H4 107.684 N2 C1 H5 107.684
H3 C1 H4 111.198 H3 C1 H5 111.198
H4 C1 H5 111.198 H6 N2 H7 107.975
H6 N2 H8 107.975 H7 N2 H8 107.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.373      
2 N 0.325      
3 H 0.192      
4 H 0.192      
5 H 0.192      
6 H 0.157      
7 H 0.157      
8 H 0.157      


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 -1.451 1.451
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.705 0.000 0.000
y 0.000 -21.705 0.000
z 0.000 0.000 -19.264
Traceless
 xyz
x -1.220 0.000 0.000
y 0.000 -1.220 0.000
z 0.000 0.000 2.441
Polar
3z2-r24.882
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 41.477 0.000 0.000
y 0.000 41.321 0.045
z 0.000 0.045 21.717


<r2> (average value of r2) Å2
<r2> 33.971
(<r2>)1/2 5.828