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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-93.901629
Energy at 298.15K-93.902920
HF Energy-93.901629
Nuclear repulsion energy27.733062
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 B3PW91/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 3315 3199 3.46      
2 A1 1593 1538 32.18      
3 A1 1445 1395 6.45      
4 B1 705 680 152.04      
5 B2 3367 3249 1.01      
6 B2 999 964 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 5712.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 5512.0 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 B3PW91/cc-pVDZ
ABC
11.28410 1.25760 1.13150

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.854
N2 0.000 0.000 0.444
H3 0.000 0.861 1.008
H4 0.000 -0.861 1.008

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.29722.05122.0512
N21.29721.02951.0295
H32.05121.02951.7218
H42.05121.02951.7218

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 123.257 C1 N2 H4 123.257
H3 N2 H4 113.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.221      
2 N -0.024      
3 H 0.122      
4 H 0.122      


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 3.738 3.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.633 0.000 0.000
y 0.000 -10.961 0.000
z 0.000 0.000 -13.695
Traceless
 xyz
x -0.305 0.000 0.000
y 0.000 2.203 0.000
z 0.000 0.000 -1.898
Polar
3z2-r2-3.796
x2-y2-1.672
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.597 0.000 0.000
y 0.000 2.368 0.000
z 0.000 0.000 3.531


<r2> (average value of r2) Å2
<r2> 17.027
(<r2>)1/2 4.126