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

using model chemistry: HSEh1PBE/aug-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 HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-96.270434
Energy at 298.15K-96.277591
HF Energy-96.270434
Nuclear repulsion energy47.680243
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 HSEh1PBE/aug-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 3087 2971 74.72      
2 A1 3023 2908 55.64      
3 A1 1382 1330 21.43      
4 A1 1345 1294 738.23      
5 A1 977 940 76.33      
6 A2 288 277 0.00      
7 E 3197 3076 0.08      
7 E 3197 3076 0.09      
8 E 2924 2814 3347.26      
8 E 2924 2814 3349.76      
9 E 1471 1415 130.26      
9 E 1471 1415 130.22      
10 E 1452 1397 23.06      
10 E 1452 1397 23.08      
11 E 1235 1189 0.48      
11 E 1235 1189 0.47      
12 E 884 850 113.46      
12 E 884 850 113.26      

Unscaled Zero Point Vibrational Energy (zpe) 16212.8 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 15600.0 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 HSEh1PBE/aug-cc-pVDZ
ABC
2.75006 0.67778 0.67778

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.792
N2 0.000 0.000 0.700
H3 0.000 -1.040 -1.132
H4 -0.900 0.520 -1.132
H5 0.900 0.520 -1.132
H6 0.000 0.973 1.082
H7 -0.843 -0.486 1.082
H8 0.843 -0.486 1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49211.09411.09411.09412.11112.11112.1111
N21.49212.10722.10722.10721.04501.04501.0450
H31.09412.10721.80071.80072.99232.43292.4329
H41.09412.10721.80071.80072.43292.43292.9923
H51.09412.10721.80071.80072.43292.99232.4329
H62.11111.04502.99232.43292.43291.68511.6851
H72.11111.04502.43292.43292.99231.68511.6851
H82.11111.04502.43292.99232.43291.68511.6851

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 111.409 C1 N2 H7 111.409
C1 N2 H8 111.409 N2 C1 H3 108.145
N2 C1 H4 108.145 N2 C1 H5 108.145
H3 C1 H4 110.764 H3 C1 H5 110.764
H4 C1 H5 110.764 H6 N2 H7 107.466
H6 N2 H8 107.466 H7 N2 H8 107.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.041      
2 N -0.064      
3 H -0.168      
4 H -0.168      
5 H -0.168      
6 H -0.157      
7 H -0.157      
8 H -0.157      


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 -2.620 2.620
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.953 0.000 0.000
y 0.000 -23.953 0.000
z 0.000 0.000 -22.745
Traceless
 xyz
x -0.604 0.000 0.000
y 0.000 -0.604 0.000
z 0.000 0.000 1.208
Polar
3z2-r22.416
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 46.211 0.000 0.000
y 0.000 46.188 -0.001
z 0.000 -0.001 27.436


<r2> (average value of r2) Å2
<r2> 35.345
(<r2>)1/2 5.945