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

using model chemistry: MP3=FULL/aug-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 MP3=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-96.107318
Energy at 298.15K-96.114497
HF Energy-95.721391
Nuclear repulsion energy47.493579
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 MP3=FULL/aug-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 3110 3110 60.23      
2 A1 3089 3089 98.63      
3 A1 1416 1416 4.08      
4 A1 1393 1393 709.33      
5 A1 979 979 54.90      
6 A2 291 291 0.00      
7 E 3217 3217 0.30      
7 E 3217 3217 0.30      
8 E 3058 3058 2549.73      
8 E 3058 3058 2549.73      
9 E 1534 1534 150.33      
9 E 1534 1534 150.33      
10 E 1489 1489 0.22      
10 E 1489 1489 0.22      
11 E 1256 1256 0.10      
11 E 1256 1256 0.10      
12 E 892 892 97.27      
12 E 892 892 97.27      

Unscaled Zero Point Vibrational Energy (zpe) 16585.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16585.5 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 MP3=FULL/aug-cc-pVDZ
ABC
2.75056 0.66856 0.66856

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.799
N2 0.000 0.000 0.706
H3 0.000 -1.042 -1.139
H4 -0.902 0.521 -1.139
H5 0.902 0.521 -1.139
H6 0.000 0.970 1.089
H7 -0.840 -0.485 1.089
H8 0.840 -0.485 1.089

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50511.09611.09611.09612.12262.12262.1226
N21.50512.11922.11922.11921.04311.04311.0431
H31.09612.11921.80471.80473.00232.44562.4456
H41.09612.11921.80471.80472.44562.44563.0023
H51.09612.11921.80471.80472.44563.00232.4456
H62.12261.04313.00232.44562.44561.68051.6805
H72.12261.04312.44562.44563.00231.68051.6805
H82.12261.04312.44563.00232.44561.68051.6805

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 111.533 C1 N2 H7 111.533
C1 N2 H8 111.533 N2 C1 H3 108.088
N2 C1 H4 108.088 N2 C1 H5 108.088
H3 C1 H4 110.818 H3 C1 H5 110.818
H4 C1 H5 110.818 H6 N2 H7 107.333
H6 N2 H8 107.333 H7 N2 H8 107.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability