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

using model chemistry: CCSD=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at CCSD=FULL/6-31G*
 hartrees
Energy at 0K-95.986911
Energy at 298.15K 
HF Energy-95.629627
Nuclear repulsion energy46.919339
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 CCSD=FULL/6-31G*
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 3114 2957 26.84      
2 A1 2499 2373 60.15      
3 A1 1382 1313 80.39      
4 A1 1154 1096 20.93      
5 A1 871 827 27.74      
6 A2 292 278 0.00      
7 E 3211 3049 10.47      
7 E 3211 3049 10.47      
8 E 1538 1461 106.59      
8 E 1538 1461 106.58      
9 E 1465 1391 1593.05      
9 E 1465 1391 1593.04      
10 E 1250 1187 1.14      
10 E 1250 1187 1.14      
11 E 878 834 0.26      
11 E 878 834 0.26      
12 E 773i 734i 6066.58      
12 E 773i 734i 6066.59      

Unscaled Zero Point Vibrational Energy (zpe) 12223.3 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 11609.7 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 CCSD=FULL/6-31G*
ABC
2.59776 0.66620 0.66620

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.797
N2 0.000 0.000 0.710
H3 0.000 -1.038 -1.135
H4 -0.899 0.519 -1.135
H5 0.899 0.519 -1.135
H6 0.000 1.034 1.072
H7 -0.896 -0.517 1.072
H8 0.896 -0.517 1.072

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50761.09111.09111.09112.13662.13662.1366
N21.50762.11662.11662.11661.09571.09571.0957
H31.09112.11661.79751.79753.02702.43792.4379
H41.09112.11661.79751.79752.43792.43793.0270
H51.09112.11661.79751.79752.43793.02702.4379
H62.13661.09573.02702.43792.43791.79111.7911
H72.13661.09572.43792.43793.02701.79111.7911
H82.13661.09572.43793.02702.43791.79111.7911

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 109.299 C1 N2 H7 109.299
C1 N2 H8 109.299 N2 C1 H3 107.995
N2 C1 H4 107.995 N2 C1 H5 107.995
H3 C1 H4 110.906 H3 C1 H5 110.906
H4 C1 H5 110.906 H6 N2 H7 109.643
H6 N2 H8 109.643 H7 N2 H8 109.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability