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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-93.364910
Energy at 298.15K-93.366266
HF Energy-93.364910
Nuclear repulsion energy27.537217
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 B1B95/3-21G
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 3293 3151 0.92      
2 A1 1682 1609 29.69      
3 A1 1382 1323 16.84      
4 B1 869 832 266.62      
5 B2 3341 3196 0.19      
6 B2 1059 1013 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 5813.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5561.3 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 B1B95/3-21G
ABC
11.34036 1.23234 1.11155

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.862
N2 0.000 0.000 0.449
H3 0.000 0.859 1.014
H4 0.000 -0.859 1.014

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.31172.06372.0637
N21.31171.02791.0279
H32.06371.02791.7175
H42.06371.02791.7175

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 123.334 C1 N2 H4 123.334
H3 N2 H4 113.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.078      
2 N -0.746      
3 H 0.334      
4 H 0.334      


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 3.659 3.659
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.589 0.000 0.000
y 0.000 -10.706 0.000
z 0.000 0.000 -13.386
Traceless
 xyz
x -0.543 0.000 0.000
y 0.000 2.282 0.000
z 0.000 0.000 -1.739
Polar
3z2-r2-3.478
x2-y2-1.883
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.185 0.000 0.000
y 0.000 2.033 0.000
z 0.000 0.000 3.098


<r2> (average value of r2) Å2
<r2> 17.044
(<r2>)1/2 4.128