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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-96.209243
Energy at 298.15K-96.216135
HF Energy-96.209243
Nuclear repulsion energy46.688814
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2970 2953 107.17      
2 A1 2482 2468 107.05      
3 A1 1243 1235 154.81      
4 A1 1092 1086 62.60      
5 A1 841 837 46.51      
6 A2 270 269 0.00      
7 E 3078 3061 19.91      
7 E 3078 3061 19.92      
8 E 1845 1834 3453.66      
8 E 1845 1834 3454.39      
9 E 1376 1368 35.62      
9 E 1376 1368 35.61      
10 E 1190 1183 2.29      
10 E 1190 1183 2.29      
11 E 928 922 824.14      
11 E 928 922 823.92      
12 E 816 811 53.65      
12 E 816 811 53.64      

Unscaled Zero Point Vibrational Energy (zpe) 13681.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 13602.5 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 PBEPBE/cc-pVDZ
ABC
2.55595 0.66177 0.66177

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.801
N2 0.000 0.000 0.711
H3 0.000 -1.055 -1.134
H4 -0.914 0.528 -1.134
H5 0.914 0.528 -1.134
H6 0.000 1.033 1.078
H7 -0.895 -0.517 1.078
H8 0.895 -0.517 1.078

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51201.10661.10661.10662.14412.14412.1441
N21.51202.12542.12542.12541.09651.09651.0965
H31.10662.12541.82791.82793.04202.44592.4459
H41.10662.12541.82791.82792.44592.44593.0420
H51.10662.12541.82791.82792.44593.04202.4459
H62.14411.09653.04202.44592.44591.78971.7897
H72.14411.09652.44592.44593.04201.78971.7897
H82.14411.09652.44593.04202.44591.78971.7897

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 109.543 C1 N2 H7 109.543
C1 N2 H8 109.543 N2 C1 H3 107.511
N2 C1 H4 107.511 N2 C1 H5 107.511
H3 C1 H4 111.358 H3 C1 H5 111.358
H4 C1 H5 111.358 H6 N2 H7 109.399
H6 N2 H8 109.399 H7 N2 H8 109.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.016      
2 N 0.185      
3 H 0.036      
4 H 0.036      
5 H 0.036      
6 H -0.092      
7 H -0.092      
8 H -0.092      


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 -1.037 1.037
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.397 0.000 0.000
y 0.000 -17.397 0.000
z 0.000 0.000 -17.213
Traceless
 xyz
x -0.092 0.000 0.000
y 0.000 -0.092 0.000
z 0.000 0.000 0.184
Polar
3z2-r20.368
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 10.600 0.000 0.000
y 0.000 10.603 0.000
z 0.000 0.000 7.316


<r2> (average value of r2) Å2
<r2> 32.102
(<r2>)1/2 5.666