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

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-95.881975
Energy at 298.15K-95.889066
HF Energy-95.881975
Nuclear repulsion energy47.524026
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 LSDA/aug-cc-pVDZ
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 2995 2962 87.08      
2 A1 2878 2845 21.45      
3 A1 1304 1289 44.00      
4 A1 1257 1243 508.74      
5 A1 982 971 76.98      
6 A2 283 280 0.00      
7 E 3102 3067 2.22      
7 E 3102 3067 2.22      
8 E 2750 2719 2187.87      
8 E 2750 2719 2189.14      
9 E 1382 1367 17.32      
9 E 1382 1367 17.35      
10 E 1358 1342 62.10      
10 E 1358 1342 62.08      
11 E 1176 1162 0.49      
11 E 1176 1162 0.49      
12 E 840 831 86.31      
12 E 840 831 86.24      

Unscaled Zero Point Vibrational Energy (zpe) 15456.6 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 15281.9 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 LSDA/aug-cc-pVDZ
ABC
2.68559 0.68176 0.68176

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.786
N2 0.000 0.000 0.696
H3 0.000 -1.048 -1.132
H4 -0.908 0.524 -1.132
H5 0.908 0.524 -1.132
H6 0.000 0.989 1.081
H7 -0.856 -0.494 1.081
H8 0.856 -0.494 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.48131.10401.10401.10402.11192.11192.1119
N21.48132.10692.10692.10691.06091.06091.0609
H31.10402.10691.81561.81563.00742.43632.4363
H41.10402.10691.81561.81572.43632.43633.0074
H51.10402.10691.81561.81572.43633.00742.4363
H62.11191.06093.00742.43632.43631.71221.7122
H72.11191.06092.43632.43633.00741.71221.7122
H82.11191.06092.43633.00742.43631.71221.7122

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 111.277 C1 N2 H7 111.277
C1 N2 H8 111.277 N2 C1 H3 108.282
N2 C1 H4 108.282 N2 C1 H5 108.282
H3 C1 H4 110.634 H3 C1 H5 110.634
H4 C1 H5 110.634 H6 N2 H7 107.606
H6 N2 H8 107.606 H7 N2 H8 107.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.913      
2 N 0.041      
3 H -0.208      
4 H -0.208      
5 H -0.208      
6 H -0.110      
7 H -0.110      
8 H -0.110      


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 -2.124 2.124
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.284 0.000 0.000
y 0.000 -23.284 0.000
z 0.000 0.000 -21.597
Traceless
 xyz
x -0.843 0.000 0.000
y 0.000 -0.843 0.000
z 0.000 0.000 1.687
Polar
3z2-r23.373
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 37.025 0.000 0.000
y 0.000 37.010 -0.000
z 0.000 -0.000 23.583


<r2> (average value of r2) Å2
<r2> 34.858
(<r2>)1/2 5.904