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All results from a given calculation for H2CN (Dihydrogen cyanide radical)

using model chemistry: LSDA/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-93.480939
Energy at 298.15K-93.482261
HF Energy-93.480939
Nuclear repulsion energy27.682485
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 LSDA/aug-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 2848 2821 0.16      
2 A1 1741 1724 1.27      
3 A1 1279 1267 24.87      
4 B1 922 913 37.87      
5 B2 2887 2860 4.20      
6 B2 850 842 3.68      

Unscaled Zero Point Vibrational Energy (zpe) 5263.7 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 5214.2 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 LSDA/aug-cc-pVTZ
ABC
9.40485 1.32738 1.16321

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.495
N2 0.000 0.000 0.734
H3 0.000 0.943 -1.085
H4 0.000 -0.943 -1.085

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22951.11211.1121
N21.22952.04902.0490
H31.11212.04901.8860
H41.11212.04901.8860

picture of Dihydrogen cyanide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 C1 H3 122.011 N2 C1 H4 122.011
H3 C1 H4 115.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.274      
2 N -0.369      
3 H 0.322      
4 H 0.322      


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 -2.598 2.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.992 0.000 0.000
y 0.000 -11.201 0.000
z 0.000 0.000 -13.049
Traceless
 xyz
x -0.867 0.000 0.000
y 0.000 1.820 0.000
z 0.000 0.000 -0.953
Polar
3z2-r2-1.906
x2-y2-1.791
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.405 0.000 0.000
y 0.000 3.034 0.000
z 0.000 0.000 4.069


<r2> (average value of r2) Å2
<r2> 17.132
(<r2>)1/2 4.139