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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-96.209246
Energy at 298.15K-96.216143
HF Energy-96.209246
Nuclear repulsion energy46.689455
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/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 2970 2953 107.21      
2 A1 2481 2467 106.83      
3 A1 1243 1236 155.05      
4 A1 1093 1087 62.48      
5 A1 842 837 46.39      
6 A2 273 272 0.00      
7 E 3078 3060 19.93      
7 E 3078 3060 19.93      
8 E 1844 1833 3451.12      
8 E 1844 1833 3451.09      
9 E 1377 1369 35.82      
9 E 1377 1369 35.82      
10 E 1191 1184 2.19      
10 E 1191 1184 2.19      
11 E 928 922 827.55      
11 E 928 922 827.49      
12 E 817 812 53.65      
12 E 817 812 53.65      

Unscaled Zero Point Vibrational Energy (zpe) 13684.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 13605.4 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 PBEPBEultrafine/cc-pVDZ
ABC
2.55600 0.66180 0.66180

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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
C11.51191.10661.10661.10662.14412.14412.1441
N21.51192.12542.12542.12541.09651.09651.0965
H31.10662.12541.82791.82793.04212.44602.4460
H41.10662.12541.82791.82792.44602.44603.0421
H51.10662.12541.82791.82792.44603.04212.4460
H62.14411.09653.04212.44602.44601.78971.7897
H72.14411.09652.44602.44603.04211.78971.7897
H82.14411.09652.44603.04212.44601.78971.7897

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 109.544 C1 N2 H7 109.544
C1 N2 H8 109.544 N2 C1 H3 107.516
N2 C1 H4 107.516 N2 C1 H5 107.516
H3 C1 H4 111.353 H3 C1 H5 111.353
H4 C1 H5 111.353 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 PBEPBEultrafine/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 10.602 0.000 0.000
y 0.000 10.602 -0.000
z 0.000 -0.000 7.316


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