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

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-96.388616
Energy at 298.15K-96.395687
HF Energy-96.388616
Nuclear repulsion energy47.333300
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 TPSSh/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 3049 2952 88.38      
2 A1 2725 2638 23.80      
3 A1 1359 1316 73.26      
4 A1 1226 1187 249.13      
5 A1 888 860 39.25      
6 A2 273 264 0.00      
7 E 3141 3042 7.68      
7 E 3141 3042 7.67      
8 E 2252 2180 6101.36      
8 E 2252 2180 6109.84      
9 E 1483 1436 2.49      
9 E 1483 1436 2.49      
10 E 1336 1293 18.94      
10 E 1336 1293 18.98      
11 E 1195 1157 197.84      
11 E 1195 1157 198.03      
12 E 849 822 150.88      
12 E 849 822 151.33      

Unscaled Zero Point Vibrational Energy (zpe) 15015.1 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 14539.2 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 TPSSh/cc-pVTZ
ABC
2.69630 0.66889 0.66889

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 0.708
H3 0.000 -1.037 -1.129
H4 -0.898 0.519 -1.129
H5 0.898 0.519 -1.129
H6 0.000 0.996 1.078
H7 -0.862 -0.498 1.078
H8 0.862 -0.498 1.078

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50851.08811.08811.08812.12662.12662.1266
N21.50852.10942.10942.10941.06251.06251.0625
H31.08812.10941.79691.79693.00102.43042.4304
H41.08812.10941.79691.79692.43042.43043.0010
H51.08812.10941.79691.79692.43043.00102.4304
H62.12661.06253.00102.43042.43041.72471.7247
H72.12661.06252.43042.43043.00101.72471.7247
H82.12661.06252.43043.00102.43041.72471.7247

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 110.412 C1 N2 H7 110.412
C1 N2 H8 110.412 N2 C1 H3 107.557
N2 C1 H4 107.557 N2 C1 H5 107.557
H3 C1 H4 111.316 H3 C1 H5 111.316
H4 C1 H5 111.316 H6 N2 H7 108.514
H6 N2 H8 108.514 H7 N2 H8 108.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.076      
2 N 0.380      
3 H 0.065      
4 H 0.065      
5 H 0.065      
6 H -0.166      
7 H -0.166      
8 H -0.166      


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 -1.497 1.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 18.007 0.000 0.000
y 0.000 18.032 -0.001
z 0.000 -0.001 9.283


<r2> (average value of r2) Å2
<r2> 32.448
(<r2>)1/2 5.696