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

using model chemistry: ROHF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at ROHF/Def2TZVPP
 hartrees
Energy at 0K-95.722704
Energy at 298.15K-95.729984
HF Energy-95.722704
Nuclear repulsion energy48.149334
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 ROHF/Def2TZVPP
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 3213 3213 42.63      
2 A1 3207 3207 5.20      
3 A1 1531 1531 6.89      
4 A1 1447 1447 390.31      
5 A1 1020 1020 47.77      
6 A2 329 329 0.00      
7 E 3302 3302 0.96      
7 E 3302 3302 0.96      
8 E 2967 2967 5398.99      
8 E 2967 2967 5399.00      
9 E 1629 1629 145.17      
9 E 1629 1629 145.17      
10 E 1603 1603 204.82      
10 E 1603 1603 204.82      
11 E 1349 1349 6.57      
11 E 1349 1349 6.57      
12 E 947 947 213.93      
12 E 947 947 213.93      

Unscaled Zero Point Vibrational Energy (zpe) 17171.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17171.2 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 ROHF/Def2TZVPP
ABC
2.85176 0.68461 0.68461

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.789
N2 0.000 0.000 0.697
H3 0.000 -1.022 -1.130
H4 -0.885 0.511 -1.130
H5 0.885 0.511 -1.130
H6 0.000 0.954 1.081
H7 -0.826 -0.477 1.081
H8 0.826 -0.477 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.48611.07771.07771.07772.09962.09962.0996
N21.48612.09332.09332.09331.02841.02841.0284
H31.07772.09331.77091.77092.96552.42252.4225
H41.07772.09331.77091.77092.42252.42252.9655
H51.07772.09331.77091.77092.42252.96552.4225
H62.09961.02842.96552.42252.42251.65211.6521
H72.09961.02842.42252.42252.96551.65211.6521
H82.09961.02842.42252.96552.42251.65211.6521

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 111.951 C1 N2 H7 111.951
C1 N2 H8 111.951 N2 C1 H3 108.422
N2 C1 H4 108.422 N2 C1 H5 108.422
H3 C1 H4 110.500 H3 C1 H5 110.500
H4 C1 H5 110.500 H6 N2 H7 106.882
H6 N2 H8 106.882 H7 N2 H8 106.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.078      
2 N 0.747      
3 H 0.027      
4 H 0.027      
5 H 0.027      
6 H -0.302      
7 H -0.302      
8 H -0.302      


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 -2.111 2.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.692 0.000 0.000
y 0.000 -19.688 0.005
z 0.000 0.005 -19.204
Traceless
 xyz
x -0.246 0.000 0.000
y 0.000 -0.240 0.005
z 0.000 0.005 0.486
Polar
3z2-r20.972
x2-y2-0.004
xy0.000
xz0.000
yz0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 32.536
(<r2>)1/2 5.704