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

using model chemistry: B3PW91/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 B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-96.377297
Energy at 298.15K-96.384431
HF Energy-96.377297
Nuclear repulsion energy47.731771
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 B3PW91/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 3070 2963 72.61      
2 A1 3005 2900 108.64      
3 A1 1399 1350 0.47      
4 A1 1351 1304 850.63      
5 A1 947 914 69.56      
6 A2 273 263 0.00      
7 E 3166 3056 0.12      
7 E 3166 3056 0.13      
8 E 2883 2782 3566.67      
8 E 2883 2782 3570.31      
9 E 1486 1434 135.79      
9 E 1486 1434 135.67      
10 E 1467 1415 69.87      
10 E 1467 1415 69.85      
11 E 1240 1196 0.46      
11 E 1240 1196 0.47      
12 E 882 851 127.35      
12 E 882 851 127.20      

Unscaled Zero Point Vibrational Energy (zpe) 16144.4 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 15580.9 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 B3PW91/aug-cc-pVTZ
ABC
2.77333 0.67655 0.67655

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.793
N2 0.000 0.000 0.702
H3 0.000 -1.033 -1.133
H4 -0.894 0.516 -1.133
H5 0.894 0.516 -1.133
H6 0.000 0.972 1.082
H7 -0.841 -0.486 1.082
H8 0.841 -0.486 1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49571.08711.08711.08712.11192.11192.1119
N21.49572.10592.10592.10591.04301.04301.0430
H31.08712.10591.78881.78882.98702.43142.4314
H41.08712.10591.78881.78882.43142.43142.9870
H51.08712.10591.78881.78882.43142.98702.4314
H62.11191.04302.98702.43142.43141.68271.6827
H72.11191.04302.43142.43142.98701.68271.6827
H82.11191.04302.43142.98702.43141.68271.6827

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 111.334 C1 N2 H7 111.334
C1 N2 H8 111.334 N2 C1 H3 108.200
N2 C1 H4 108.200 N2 C1 H5 108.200
H3 C1 H4 110.712 H3 C1 H5 110.712
H4 C1 H5 110.712 H6 N2 H7 107.546
H6 N2 H8 107.546 H7 N2 H8 107.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 N -0.069      
3 H 0.261      
4 H 0.261      
5 H 0.261      
6 H -0.116      
7 H -0.116      
8 H -0.116      


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 -2.754 2.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.940 0.000 0.000
y 0.000 -23.940 0.000
z 0.000 0.000 -22.836
Traceless
 xyz
x -0.552 0.000 0.000
y 0.000 -0.552 0.000
z 0.000 0.000 1.104
Polar
3z2-r22.209
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 50.361 0.000 0.000
y 0.000 50.326 -0.017
z 0.000 -0.017 28.957


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