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

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-96.195507
Energy at 298.15K-96.202698
HF Energy-95.715800
Nuclear repulsion energy47.827027
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 MP3=FULL/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 3132 2921 57.75      
2 A1 2955 2756 30.45      
3 A1 1408 1313 46.86      
4 A1 1295 1208 267.73      
5 A1 978 912 47.62      
6 A2 315 294 0.00      
7 E 3212 2995 3.02      
7 E 3212 2995 3.02      
8 E 2675 2495 2334.80      
8 E 2675 2495 2334.80      
9 E 1522 1419 0.35      
9 E 1522 1419 0.35      
10 E 1445 1347 0.86      
10 E 1445 1347 0.86      
11 E 1254 1169 16.47      
11 E 1254 1169 16.47      
12 E 882 822 91.60      
12 E 882 822 91.60      

Unscaled Zero Point Vibrational Energy (zpe) 16029.5 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 14949.1 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 MP3=FULL/cc-pVTZ
ABC
2.76321 0.68202 0.68202

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.791
N2 0.000 0.000 0.700
H3 0.000 -1.028 -1.124
H4 -0.891 0.514 -1.124
H5 0.891 0.514 -1.124
H6 0.000 0.980 1.072
H7 -0.849 -0.490 1.072
H8 0.849 -0.490 1.072

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49131.08091.08091.08092.10452.10452.1045
N21.49132.09432.09432.09431.04801.04801.0480
H31.08092.09431.78101.78102.97562.41472.4147
H41.08092.09431.78101.78102.41472.41472.9756
H51.08092.09431.78101.78102.41472.97562.4147
H62.10451.04802.97562.41472.41471.69751.6975
H72.10451.04802.41472.41472.97561.69751.6975
H82.10451.04802.41472.97562.41471.69751.6975

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 110.742 C1 N2 H7 110.742
C1 N2 H8 110.742 N2 C1 H3 107.956
N2 C1 H4 107.956 N2 C1 H5 107.956
H3 C1 H4 110.943 H3 C1 H5 110.943
H4 C1 H5 110.943 H6 N2 H7 108.171
H6 N2 H8 108.171 H7 N2 H8 108.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability