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

using model chemistry: B2PLYP=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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-96.303750
Energy at 298.15K-96.310882
HF Energy-96.156422
Nuclear repulsion energy47.552049
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 B2PLYP=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 3087 2950 78.28      
2 A1 2841 2715 38.42      
3 A1 1380 1319 59.87      
4 A1 1266 1210 224.18      
5 A1 917 876 37.14      
6 A2 292 279 0.00      
7 E 3177 3036 4.72      
7 E 3177 3036 4.71      
8 E 2508 2397 3274.38      
8 E 2508 2397 3274.27      
9 E 1496 1429 0.90      
9 E 1496 1429 0.90      
10 E 1399 1337 0.47      
10 E 1399 1337 0.48      
11 E 1226 1172 42.93      
11 E 1226 1172 42.91      
12 E 871 833 87.25      
12 E 871 833 87.35      

Unscaled Zero Point Vibrational Energy (zpe) 15567.3 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 14879.3 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 B2PLYP=FULL/cc-pVTZ
ABC
2.73161 0.67393 0.67393

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

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 0.705
H3 0.000 -1.032 -1.128
H4 -0.894 0.516 -1.128
H5 0.894 0.516 -1.128
H6 0.000 0.988 1.077
H7 -0.855 -0.494 1.077
H8 0.855 -0.494 1.077

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50171.08401.08401.08402.11822.11822.1182
N21.50172.10332.10332.10331.05551.05551.0555
H31.08402.10331.78791.78792.99012.42532.4253
H41.08402.10331.78791.78792.42532.42532.9901
H51.08402.10331.78791.78792.42532.99012.4253
H62.11821.05552.99012.42532.42531.71081.7108
H72.11821.05552.42532.42532.99011.71081.7108
H82.11821.05552.42532.99012.42531.71081.7108

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 110.640 C1 N2 H7 110.640
C1 N2 H8 110.640 N2 C1 H3 107.770
N2 C1 H4 107.770 N2 C1 H5 107.770
H3 C1 H4 111.117 H3 C1 H5 111.117
H4 C1 H5 111.117 H6 N2 H7 108.278
H6 N2 H8 108.278 H7 N2 H8 108.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability