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

using model chemistry: LSDA/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/cc-pVDZ
 hartrees
Energy at 0K-95.842011
Energy at 298.15K-95.848964
HF Energy-95.842011
Nuclear repulsion energy47.107718
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/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 2965 2932 107.15      
2 A1 2577 2548 111.69      
3 A1 1236 1222 160.66      
4 A1 1112 1100 51.40      
5 A1 923 913 66.51      
6 A2 275 272 0.00      
7 E 3074 3040 15.83      
7 E 3074 3040 15.83      
8 E 2068 2045 2801.55      
8 E 2068 2045 2802.16      
9 E 1352 1337 23.87      
9 E 1352 1337 23.87      
10 E 1192 1179 2.39      
10 E 1192 1179 2.39      
11 E 1038 1026 211.56      
11 E 1038 1026 211.52      
12 E 798 789 86.03      
12 E 798 789 86.05      

Unscaled Zero Point Vibrational Energy (zpe) 14064.5 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 13909.8 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 LSDA/cc-pVDZ
ABC
2.56915 0.68004 0.68004

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/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 0.698
H3 0.000 -1.056 -1.124
H4 -0.914 0.528 -1.124
H5 0.914 0.528 -1.124
H6 0.000 1.027 1.068
H7 -0.890 -0.514 1.068
H8 0.890 -0.514 1.068

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.48431.10851.10851.10852.11982.11982.1198
N21.48432.10592.10592.10591.09201.09201.0920
H31.10852.10591.82861.82863.02402.42702.4270
H41.10852.10591.82861.82862.42702.42703.0240
H51.10852.10591.82861.82862.42703.02402.4270
H62.11981.09203.02402.42702.42701.77961.7796
H72.11981.09202.42702.42703.02401.77961.7796
H82.11981.09202.42703.02402.42701.77961.7796

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 109.799 C1 N2 H7 109.799
C1 N2 H8 109.799 N2 C1 H3 107.745
N2 C1 H4 107.745 N2 C1 H5 107.745
H3 C1 H4 111.141 H3 C1 H5 111.141
H4 C1 H5 111.141 H6 N2 H7 109.142
H6 N2 H8 109.142 H7 N2 H8 109.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 N 0.130      
3 H 0.062      
4 H 0.062      
5 H 0.062      
6 H -0.063      
7 H -0.063      
8 H -0.063      


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 -0.868 0.868
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.483 0.000 0.000
y 0.000 -17.483 0.000
z 0.000 0.000 -17.233
Traceless
 xyz
x -0.125 0.000 0.000
y 0.000 -0.125 0.000
z 0.000 0.000 0.250
Polar
3z2-r20.500
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 10.106 0.000 0.000
y 0.000 10.107 -0.000
z 0.000 -0.000 7.598


<r2> (average value of r2) Å2
<r2> 31.710
(<r2>)1/2 5.631