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

using model chemistry: CCSD/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 CCSD/cc-pVDZ
 hartrees
Energy at 0K-96.046384
Energy at 298.15K-96.053465
HF Energy-95.663327
Nuclear repulsion energy47.034248
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/cc-pVDZ
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 3093 2930 45.46      
2 A1 2684 2542 55.28      
3 A1 1352 1280 84.40      
4 A1 1192 1129 99.53      
5 A1 916 868 53.54      
6 A2 306 290 0.00      
7 E 3200 3031 6.34      
7 E 3200 3031 6.34      
8 E 1942 1840 5718.95      
8 E 1942 1840 5718.96      
9 E 1480 1402 21.83      
9 E 1480 1402 21.83      
10 E 1291 1223 22.41      
10 E 1291 1223 22.41      
11 E 1103 1045 745.89      
11 E 1103 1045 745.89      
12 E 845 801 244.40      
12 E 845 801 244.40      

Unscaled Zero Point Vibrational Energy (zpe) 14632.5 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 13861.3 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 CCSD/cc-pVDZ
ABC
2.62474 0.66743 0.66743

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

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 0.707
H3 0.000 -1.047 -1.135
H4 -0.907 0.524 -1.135
H5 0.907 0.524 -1.135
H6 0.000 1.014 1.080
H7 -0.878 -0.507 1.080
H8 0.878 -0.507 1.080

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50421.10051.10051.10052.13312.13312.1331
N21.50422.11902.11902.11901.07991.07991.0799
H31.10052.11901.81401.81403.02542.44302.4430
H41.10052.11901.81401.81402.44302.44303.0254
H51.10052.11901.81401.81402.44303.02542.4430
H62.13311.07993.02542.44302.44301.75561.7556
H72.13311.07992.44302.44303.02541.75561.7556
H82.13311.07992.44303.02542.44301.75561.7556

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 110.190 C1 N2 H7 110.190
C1 N2 H8 110.190 N2 C1 H3 107.881
N2 C1 H4 107.881 N2 C1 H5 107.881
H3 C1 H4 111.014 H3 C1 H5 111.014
H4 C1 H5 111.014 H6 N2 H7 108.743
H6 N2 H8 108.743 H7 N2 H8 108.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability