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

using model chemistry: CCD/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 CCD/cc-pVTZ
 hartrees
Energy at 0K-96.163141
Energy at 298.15K-96.170298
HF Energy-95.715403
Nuclear repulsion energy47.637601
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 CCD/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 3098 2892 51.81      
2 A1 2904 2712 26.95      
3 A1 1399 1306 44.35      
4 A1 1289 1204 262.93      
5 A1 965 901 49.12      
6 A2 294 275 0.00      
7 E 3196 2984 2.54      
7 E 3196 2984 2.54      
8 E 2612 2439 2679.84      
8 E 2612 2439 2679.84      
9 E 1509 1409 0.42      
9 E 1509 1409 0.42      
10 E 1431 1336 0.97      
10 E 1431 1336 0.97      
11 E 1243 1160 22.31      
11 E 1243 1160 22.31      
12 E 875 817 95.07      
12 E 875 817 95.07      

Unscaled Zero Point Vibrational Energy (zpe) 15840.5 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 14790.3 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 CCD/cc-pVTZ
ABC
2.74278 0.67662 0.67662

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

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 0.703
H3 0.000 -1.032 -1.129
H4 -0.894 0.516 -1.129
H5 0.894 0.516 -1.129
H6 0.000 0.983 1.077
H7 -0.852 -0.492 1.077
H8 0.852 -0.492 1.077

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49671.08551.08551.08552.11382.11382.1138
N21.49672.10272.10272.10271.05221.05221.0522
H31.08552.10271.78831.78832.98842.42592.4259
H41.08552.10271.78831.78832.42592.42592.9884
H51.08552.10271.78831.78832.42592.98842.4259
H62.11381.05222.98842.42592.42591.70311.7031
H72.11381.05222.42592.42592.98841.70311.7031
H82.11381.05222.42592.98842.42591.70311.7031

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 110.849 C1 N2 H7 110.849
C1 N2 H8 110.849 N2 C1 H3 107.977
N2 C1 H4 107.977 N2 C1 H5 107.977
H3 C1 H4 110.923 H3 C1 H5 110.923
H4 C1 H5 110.923 H6 N2 H7 108.059
H6 N2 H8 108.059 H7 N2 H8 108.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability