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All results from a given calculation for CNH2 (Aminomethylidyne radical)

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-93.297783
Energy at 298.15K-93.299139
HF Energy-93.297783
Nuclear repulsion energy27.499507
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 PBE1PBE/3-21G
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 3295 3165 0.74      
2 A1 1681 1615 30.15      
3 A1 1391 1335 15.36      
4 B1 867 832 268.72      
5 B2 3343 3211 0.52      
6 B2 1061 1019 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 5818.8 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 5588.4 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 PBE1PBE/3-21G
ABC
11.28925 1.22950 1.10875

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.863
N2 0.000 0.000 0.450
H3 0.000 0.861 1.015
H4 0.000 -0.861 1.015

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.31322.06632.0663
N21.31321.02971.0297
H32.06631.02971.7214
H42.06631.02971.7214

picture of Aminomethylidyne radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H3 123.292 C1 N2 H4 123.292
H3 N2 H4 113.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.081      
2 N -0.759      
3 H 0.339      
4 H 0.339      


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 3.696 3.696
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.647 0.000 0.000
y 0.000 -10.735 0.000
z 0.000 0.000 -13.473
Traceless
 xyz
x -0.543 0.000 0.000
y 0.000 2.325 0.000
z 0.000 0.000 -1.782
Polar
3z2-r2-3.564
x2-y2-1.912
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.201 0.000 0.000
y 0.000 2.067 0.000
z 0.000 0.000 3.106


<r2> (average value of r2) Å2
<r2> 17.104
(<r2>)1/2 4.136