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

using model chemistry: PBEPBEultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at PBEPBEultrafine/6-311G*
 hartrees
Energy at 0K-96.236448
Energy at 298.15K-96.243479
HF Energy-96.236448
Nuclear repulsion energy46.999799
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 PBEPBEultrafine/6-311G*
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 2983 2952 116.22      
2 A1 2630 2603 71.64      
3 A1 1296 1282 127.94      
4 A1 1201 1189 156.67      
5 A1 870 861 37.75      
6 A2 278 275 0.00      
7 E 3081 3049 19.34      
7 E 3081 3049 19.34      
8 E 2161 2138 3861.70      
8 E 2161 2138 3861.79      
9 E 1431 1417 14.52      
9 E 1431 1417 14.52      
10 E 1304 1290 9.69      
10 E 1304 1290 9.69      
11 E 1146 1134 181.09      
11 E 1146 1134 181.08      
12 E 838 830 88.21      
12 E 838 830 88.22      

Unscaled Zero Point Vibrational Energy (zpe) 14589.0 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 14437.3 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 PBEPBEultrafine/6-311G*
ABC
2.63590 0.66358 0.66358

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.802
N2 0.000 0.000 0.710
H3 0.000 -1.046 -1.134
H4 -0.906 0.523 -1.134
H5 0.906 0.523 -1.134
H6 0.000 1.011 1.083
H7 -0.875 -0.505 1.083
H8 0.875 -0.505 1.083

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51171.09751.09751.09752.13872.13872.1387
N21.51172.12002.12002.12001.07731.07731.0773
H31.09752.12001.81161.81163.02422.44432.4443
H41.09752.12001.81161.81162.44432.44433.0242
H51.09752.12001.81161.81162.44433.02422.4443
H62.13871.07733.02422.44432.44431.75041.7504
H72.13871.07732.44432.44433.02421.75041.7504
H82.13871.07732.44433.02422.44431.75041.7504

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 110.270 C1 N2 H7 110.270
C1 N2 H8 110.270 N2 C1 H3 107.629
N2 C1 H4 107.629 N2 C1 H5 107.629
H3 C1 H4 111.249 H3 C1 H5 111.249
H4 C1 H5 111.249 H6 N2 H7 108.660
H6 N2 H8 108.660 H7 N2 H8 108.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.467      
2 N -0.485      
3 H 0.213      
4 H 0.213      
5 H 0.213      
6 H 0.104      
7 H 0.104      
8 H 0.104      


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 -1.289 1.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.221 0.000 0.000
y 0.000 -18.221 0.000
z 0.000 0.000 -18.073
Traceless
 xyz
x -0.074 0.000 0.000
y 0.000 -0.074 0.000
z 0.000 0.000 0.149
Polar
3z2-r20.297
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 13.601 0.000 0.000
y 0.000 13.600 -0.001
z 0.000 -0.001 8.706


<r2> (average value of r2) Å2
<r2> 32.459
(<r2>)1/2 5.697