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

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-96.046200
Energy at 298.15K-96.053319
HF Energy-95.663818
Nuclear repulsion energy47.171651
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-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3120 2934 45.49      
2 A1 2743 2579 60.37      
3 A1 1359 1278 92.31      
4 A1 1208 1136 110.61      
5 A1 941 885 57.01      
6 A2 309 290 0.00      
7 E 3229 3037 9.32      
7 E 3229 3037 9.32      
8 E 2344 2204 2206.45      
8 E 2344 2204 2206.45      
9 E 1487 1399 7.82      
9 E 1487 1399 7.82      
10 E 1305 1227 3.77      
10 E 1305 1227 3.77      
11 E 1160 1091 141.73      
11 E 1160 1091 141.73      
12 E 862 810 62.51      
12 E 862 810 62.51      

Unscaled Zero Point Vibrational Energy (zpe) 15227.2 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 14318.1 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-pVDZ
ABC
2.64021 0.67120 0.67120

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.794
N2 0.000 0.000 0.706
H3 0.000 -1.045 -1.133
H4 -0.905 0.522 -1.133
H5 0.905 0.522 -1.133
H6 0.000 1.010 1.075
H7 -0.875 -0.505 1.075
H8 0.875 -0.505 1.075

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50011.09811.09811.09812.12542.12542.1254
N21.50012.11462.11462.11461.07581.07581.0758
H31.09812.11461.80941.80943.01652.43582.4358
H41.09812.11461.80941.80942.43582.43583.0165
H51.09812.11461.80941.80942.43583.01652.4358
H62.12541.07583.01652.43582.43581.74971.7497
H72.12541.07582.43582.43583.01651.74971.7497
H82.12541.07582.43583.01652.43581.74971.7497

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 110.108 C1 N2 H7 110.108
C1 N2 H8 110.108 N2 C1 H3 107.950
N2 C1 H4 107.950 N2 C1 H5 107.950
H3 C1 H4 110.949 H3 C1 H5 110.949
H4 C1 H5 110.949 H6 N2 H7 108.827
H6 N2 H8 108.827 H7 N2 H8 108.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability