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

using model chemistry: CID/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at CID/6-311+G(3df,2p)
 hartrees
Energy at 0K-96.133493
Energy at 298.15K-96.140732
HF Energy-95.737420
Nuclear repulsion energy48.119536
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 CID/6-311+G(3df,2p)
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 3198 2955 38.62      
2 A1 3160 2920 28.24      
3 A1 1475 1363 7.95      
4 A1 1419 1311 669.68      
5 A1 1020 942 59.37      
6 A2 314 290 0.00      
7 E 3260 3012 23.78      
7 E 3260 3012 23.78      
8 E 3157 2917 1443.96      
8 E 3157 2917 1443.96      
9 E 1593 1471 165.72      
9 E 1593 1471 165.72      
10 E 1548 1430 11.80      
10 E 1548 1430 11.80      
11 E 1303 1204 4.52      
11 E 1303 1204 4.52      
12 E 916 846 122.69      
12 E 916 846 122.69      

Unscaled Zero Point Vibrational Energy (zpe) 17068.8 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 15771.5 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 CID/6-311+G(3df,2p)
ABC
2.82707 0.68626 0.68626

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.787
N2 0.000 0.000 0.697
H3 0.000 -1.026 -1.127
H4 -0.889 0.513 -1.127
H5 0.889 0.513 -1.127
H6 0.000 0.959 1.075
H7 -0.830 -0.479 1.075
H8 0.830 -0.479 1.075

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.48461.08091.08091.08092.09502.09502.0950
N21.48462.09312.09312.09311.03071.03071.0307
H31.08092.09311.77721.77722.96492.41642.4164
H41.08092.09311.77721.77722.41642.41642.9649
H51.08092.09311.77721.77722.41642.96492.4164
H62.09501.03072.96492.41642.41641.66071.6607
H72.09501.03072.41642.41642.96491.66071.6607
H82.09501.03072.41642.96492.41641.66071.6607

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 111.520 C1 N2 H7 111.520
C1 N2 H8 111.520 N2 C1 H3 108.322
N2 C1 H4 108.322 N2 C1 H5 108.322
H3 C1 H4 110.596 H3 C1 H5 110.596
H4 C1 H5 110.596 H6 N2 H7 107.347
H6 N2 H8 107.347 H7 N2 H8 107.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability