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

using model chemistry: ROHF/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 ROHF/6-31G*
 hartrees
Energy at 0K-93.432312
Energy at 298.15K-93.433703
HF Energy-93.432312
Nuclear repulsion energy27.424724
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 ROHF/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 3236 2881 0.22      
2 A1 1639 1460 12.22      
3 A1 1438 1280 0.02      
4 B1 1033 919 31.84      
5 B2 3320 2956 16.39      
6 B2 1073 955 15.06      

Unscaled Zero Point Vibrational Energy (zpe) 5869.0 cm-1
Scaled (by 0.8904) Zero Point Vibrational Energy (zpe) 5225.8 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 ROHF/6-31G*
ABC
9.68766 1.28625 1.13549

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.514
N2 0.000 0.000 0.746
H3 0.000 0.929 -1.069
H4 0.000 -0.929 -1.069

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.26011.08211.0821
N21.26012.03882.0388
H31.08212.03881.8583
H41.08212.03881.8583

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 120.835 N2 C1 H4 120.835
H3 C1 H4 118.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172      
2 N -0.225      
3 H 0.198      
4 H 0.198      


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 -2.408 2.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.698 0.000 0.000
y 0.000 -10.949 0.000
z 0.000 0.000 -12.983
Traceless
 xyz
x -0.732 0.000 0.000
y 0.000 1.891 0.000
z 0.000 0.000 -1.159
Polar
3z2-r2-2.319
x2-y2-1.748
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 17.119
(<r2>)1/2 4.137