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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-93.874707
Energy at 298.15K-93.876073
HF Energy-93.874707
Nuclear repulsion energy27.532734
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 mPW1PW91/6-31G
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 3410 3228 0.85      
2 A1 1702 1611 35.58      
3 A1 1416 1340 26.49      
4 B1 891 844 302.32      
5 B2 3480 3294 0.79      
6 B2 1078 1021 3.36      

Unscaled Zero Point Vibrational Energy (zpe) 5988.6 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 5668.8 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 mPW1PW91/6-31G
ABC
11.46733 1.22633 1.10785

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.864
N2 0.000 0.000 0.452
H3 0.000 0.854 1.011
H4 0.000 -0.854 1.011

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.31672.06032.0603
N21.31671.02031.0203
H32.06031.02031.7080
H42.06031.02031.7080

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 123.172 C1 N2 H4 123.172
H3 N2 H4 113.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.032      
2 N -0.732      
3 H 0.350      
4 H 0.350      


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 3.647 3.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.762 0.000 0.000
y 0.000 -10.748 0.000
z 0.000 0.000 -13.553
Traceless
 xyz
x -0.611 0.000 0.000
y 0.000 2.409 0.000
z 0.000 0.000 -1.798
Polar
3z2-r2-3.595
x2-y2-2.014
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.345 0.000 0.000
y 0.000 2.222 0.000
z 0.000 0.000 3.373


<r2> (average value of r2) Å2
<r2> 17.133
(<r2>)1/2 4.139