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

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-96.326964
Energy at 298.15K-96.333951
HF Energy-96.326964
Nuclear repulsion energy47.062013
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 B97D3/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 2991 2949 123.74      
2 A1 2596 2560 15.00      
3 A1 1305 1287 88.07      
4 A1 1162 1145 238.87      
5 A1 815 804 37.98      
6 A2 261 258 0.00      
7 E 3085 3042 13.77      
7 E 3085 3042 13.72      
8 E 2098 2069 5759.59      
8 E 2098 2069 5762.00      
9 E 1433 1413 2.81      
9 E 1433 1413 2.80      
10 E 1262 1245 13.55      
10 E 1262 1245 13.60      
11 E 1129 1113 303.08      
11 E 1129 1113 303.36      
12 E 830 819 106.50      
12 E 830 819 106.76      

Unscaled Zero Point Vibrational Energy (zpe) 14402.8 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 14201.2 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 B97D3/cc-pVTZ
ABC
2.66254 0.66163 0.66163

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.806
N2 0.000 0.000 0.712
H3 0.000 -1.042 -1.133
H4 -0.902 0.521 -1.133
H5 0.902 0.521 -1.133
H6 0.000 1.004 1.084
H7 -0.870 -0.502 1.084
H8 0.870 -0.502 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51751.09181.09181.09182.14002.14002.1400
N21.51752.11812.11812.11811.07111.07111.0711
H31.09182.11811.80451.80453.01652.44132.4413
H41.09182.11811.80451.80452.44132.44133.0165
H51.09182.11811.80451.80452.44133.01652.4413
H62.14001.07113.01652.44132.44131.73961.7396
H72.14001.07112.44132.44133.01651.73961.7396
H82.14001.07112.44133.01652.44131.73961.7396

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 110.336 C1 N2 H7 110.336
C1 N2 H8 110.336 N2 C1 H3 107.409
N2 C1 H4 107.409 N2 C1 H5 107.409
H3 C1 H4 111.452 H3 C1 H5 111.452
H4 C1 H5 111.452 H6 N2 H7 108.593
H6 N2 H8 108.593 H7 N2 H8 108.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.186      
2 N 0.237      
3 H 0.098      
4 H 0.098      
5 H 0.098      
6 H -0.115      
7 H -0.115      
8 H -0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.458 1.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.664 0.000 0.000
y 0.000 -18.664 0.000
z 0.000 0.000 -17.941
Traceless
 xyz
x -0.361 0.000 0.000
y 0.000 -0.361 0.000
z 0.000 0.000 0.723
Polar
3z2-r21.446
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 18.032 0.000 0.000
y 0.000 18.043 0.003
z 0.000 0.003 9.233


<r2> (average value of r2) Å2
<r2> 32.603
(<r2>)1/2 5.710