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

using model chemistry: HF/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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-95.749520
Energy at 298.15K-95.756794
HF Energy-95.749520
Nuclear repulsion energy48.276401
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 HF/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 3415 3109 173.12      
2 A1 3218 2929 11.72      
3 A1 1584 1442 582.99      
4 A1 1558 1418 188.32      
5 A1 1025 933 43.50      
6 A2 303 276 0.00      
7 E 3419 3113 4132.11      
7 E 3419 3113 4132.11      
8 E 3310 3014 3.27      
8 E 3310 3014 3.27      
9 E 1706 1553 1036.10      
9 E 1706 1553 1036.10      
10 E 1614 1469 12.21      
10 E 1614 1469 12.21      
11 E 1374 1251 7.84      
11 E 1374 1251 7.84      
12 E 965 879 200.32      
12 E 965 879 200.32      

Unscaled Zero Point Vibrational Energy (zpe) 17939.0 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 16331.6 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 HF/aug-cc-pVTZ
ABC
2.88533 0.68435 0.68435

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.790
N2 0.000 0.000 0.699
H3 0.000 -1.022 -1.131
H4 -0.885 0.511 -1.131
H5 0.885 0.511 -1.131
H6 0.000 0.943 1.080
H7 -0.816 -0.471 1.080
H8 0.816 -0.471 1.080

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.48851.07711.07711.07712.09352.09352.0935
N21.48852.09562.09562.09561.01661.01661.0166
H31.07712.09561.76961.76962.95712.41982.4198
H41.07712.09561.76961.76962.41982.41982.9571
H51.07712.09561.76961.76962.41982.95712.4198
H62.09351.01662.95712.41982.41981.63271.6327
H72.09351.01662.41982.41982.95711.63271.6327
H82.09351.01662.41982.95712.41981.63271.6327

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 111.992 C1 N2 H7 111.992
C1 N2 H8 111.992 N2 C1 H3 108.467
N2 C1 H4 108.467 N2 C1 H5 108.467
H3 C1 H4 110.457 H3 C1 H5 110.457
H4 C1 H5 110.457 H6 N2 H7 106.837
H6 N2 H8 106.837 H7 N2 H8 106.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.493      
2 N 0.011      
3 H 0.362      
4 H 0.362      
5 H 0.362      
6 H -0.201      
7 H -0.201      
8 H -0.201      


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 -4.111 4.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.534 0.000 0.000
y 0.000 -26.534 0.000
z 0.000 0.000 -27.919
Traceless
 xyz
x 0.693 0.000 0.000
y 0.000 0.693 0.000
z 0.000 0.000 -1.385
Polar
3z2-r2-2.771
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 83.489 0.000 0.000
y 0.000 83.489 0.000
z 0.000 0.000 38.183


<r2> (average value of r2) Å2
<r2> 37.152
(<r2>)1/2 6.095