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

using model chemistry: PBEPBEultrafine/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-96.259002
Energy at 298.15K-96.266024
HF Energy-96.259002
Nuclear repulsion energy47.123303
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-pVTZ
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 2981 2961 105.26      
2 A1 2679 2661 43.13      
3 A1 1297 1288 92.67      
4 A1 1180 1172 199.73      
5 A1 871 865 37.73      
6 A2 268 266 0.00      
7 E 3073 3051 11.48      
7 E 3073 3051 11.47      
8 E 2297 2281 3508.78      
8 E 2297 2281 3509.25      
9 E 1415 1405 4.19      
9 E 1415 1405 4.19      
10 E 1283 1274 1.88      
10 E 1283 1274 1.88      
11 E 1152 1145 100.82      
11 E 1152 1145 100.79      
12 E 831 826 79.84      
12 E 831 826 79.85      

Unscaled Zero Point Vibrational Energy (zpe) 14689.7 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 14588.4 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-pVTZ
ABC
2.65626 0.66572 0.66572

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

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 0.709
H3 0.000 -1.044 -1.133
H4 -0.904 0.522 -1.133
H5 0.904 0.522 -1.133
H6 0.000 1.004 1.080
H7 -0.870 -0.502 1.080
H8 0.870 -0.502 1.080

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51021.09571.09571.09572.13252.13252.1325
N21.51022.11752.11752.11751.07061.07061.0706
H31.09572.11751.80871.80873.01572.43892.4389
H41.09572.11751.80871.80872.43892.43893.0157
H51.09572.11751.80871.80872.43893.01572.4389
H62.13251.07063.01572.43892.43891.73941.7394
H72.13251.07062.43892.43893.01571.73941.7394
H82.13251.07062.43893.01572.43891.73941.7394

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 110.280 C1 N2 H7 110.280
C1 N2 H8 110.280 N2 C1 H3 107.632
N2 C1 H4 107.632 N2 C1 H5 107.632
H3 C1 H4 111.247 H3 C1 H5 111.247
H4 C1 H5 111.247 H6 N2 H7 108.651
H6 N2 H8 108.651 H7 N2 H8 108.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 N 0.344      
3 H 0.074      
4 H 0.074      
5 H 0.074      
6 H -0.143      
7 H -0.143      
8 H -0.143      


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 -1.257 1.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.829 0.000 0.000
y 0.000 -18.829 0.000
z 0.000 0.000 -17.903
Traceless
 xyz
x -0.463 0.000 0.000
y 0.000 -0.463 0.000
z 0.000 0.000 0.927
Polar
3z2-r21.853
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 15.001 0.000 0.000
y 0.000 14.999 -0.000
z 0.000 -0.000 9.618


<r2> (average value of r2) Å2
<r2> 32.586
(<r2>)1/2 5.708