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

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-96.342410
Energy at 298.15K-96.349424
HF Energy-96.342410
Nuclear repulsion energy46.978949
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 B3LYP/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 3042 2950 90.92      
2 A1 2592 2515 101.27      
3 A1 1310 1270 127.20      
4 A1 1164 1129 80.77      
5 A1 875 849 44.90      
6 A2 280 272 0.00      
7 E 3143 3049 15.95      
7 E 3143 3049 15.94      
8 E 1961 1902 3734.73      
8 E 1961 1902 3735.58      
9 E 1434 1391 26.49      
9 E 1434 1391 26.49      
10 E 1252 1214 1.29      
10 E 1252 1214 1.29      
11 E 1059 1027 567.11      
11 E 1059 1027 566.93      
12 E 848 823 85.81      
12 E 848 823 85.83      

Unscaled Zero Point Vibrational Energy (zpe) 14328.2 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 13898.4 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 B3LYP/cc-pVDZ
ABC
2.61406 0.66626 0.66626

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.799
N2 0.000 0.000 0.708
H3 0.000 -1.047 -1.133
H4 -0.907 0.523 -1.133
H5 0.907 0.523 -1.133
H6 0.000 1.018 1.079
H7 -0.882 -0.509 1.079
H8 0.882 -0.509 1.079

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50701.09881.09881.09882.13602.13602.1360
N21.50702.11782.11782.11781.08371.08371.0837
H31.09882.11781.81321.81323.02592.44092.4409
H41.09882.11781.81321.81322.44092.44093.0259
H51.09882.11781.81321.81322.44093.02592.4409
H62.13601.08373.02592.44092.44091.76381.7638
H72.13601.08372.44092.44093.02591.76381.7638
H82.13601.08372.44093.02592.44091.76381.7638

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 110.000 C1 N2 H7 110.000
C1 N2 H8 110.000 N2 C1 H3 107.696
N2 C1 H4 107.696 N2 C1 H5 107.696
H3 C1 H4 111.187 H3 C1 H5 111.187
H4 C1 H5 111.187 H6 N2 H7 108.938
H6 N2 H8 108.938 H7 N2 H8 108.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 N 0.209      
3 H 0.024      
4 H 0.024      
5 H 0.024      
6 H -0.105      
7 H -0.105      
8 H -0.105      


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 -1.159 1.159
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.464 0.000 0.000
y 0.000 -17.464 0.000
z 0.000 0.000 -17.313
Traceless
 xyz
x -0.076 0.000 0.000
y 0.000 -0.076 0.000
z 0.000 0.000 0.151
Polar
3z2-r20.303
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 10.495 0.000 0.000
y 0.000 10.497 0.000
z 0.000 0.000 7.211


<r2> (average value of r2) Å2
<r2> 31.955
(<r2>)1/2 5.653