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

using model chemistry: ROHF/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 ROHF/cc-pVTZ
 hartrees
Energy at 0K-93.466413
Energy at 298.15K-93.467811
HF Energy-93.466413
Nuclear repulsion energy27.574601
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/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 3172 2858 0.29      
2 A1 1626 1465 18.23      
3 A1 1429 1287 0.54      
4 B1 1051 947 33.39      
5 B2 3256 2933 12.06      
6 B2 1062 957 16.24      

Unscaled Zero Point Vibrational Energy (zpe) 5797.2 cm-1
Scaled (by 0.901) Zero Point Vibrational Energy (zpe) 5223.3 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 ROHF/cc-pVTZ
ABC
9.65908 1.30481 1.14952

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.510
N2 0.000 0.000 0.741
H3 0.000 0.931 -1.062
H4 0.000 -0.931 -1.062

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25081.08191.0819
N21.25082.02872.0287
H31.08192.02871.8610
H41.08192.02871.8610

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 120.671 N2 C1 H4 120.671
H3 C1 H4 118.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.116      
2 N -0.135      
3 H 0.126      
4 H 0.126      


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 -2.418 2.418
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.835 0.000 0.000
y 0.000 -10.964 0.000
z 0.000 0.000 -12.995
Traceless
 xyz
x -0.855 0.000 0.000
y 0.000 1.951 0.000
z 0.000 0.000 -1.095
Polar
3z2-r2-2.190
x2-y2-1.871
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> 17.049
(<r2>)1/2 4.129