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

using model chemistry: B1B95/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 B1B95/cc-pVTZ
 hartrees
Energy at 0K-93.968952
Energy at 298.15K-93.970313
HF Energy-93.968952
Nuclear repulsion energy27.739044
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/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 2988 2860 0.04      
2 A1 1750 1675 0.99      
3 A1 1373 1314 16.58      
4 B1 994 951 33.00      
5 B2 3047 2917 10.16      
6 B2 922 883 6.95      

Unscaled Zero Point Vibrational Energy (zpe) 5537.2 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 5299.6 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/cc-pVTZ
ABC
9.59460 1.32747 1.16613

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.499
N2 0.000 0.000 0.734
H3 0.000 0.934 -1.072
H4 0.000 -0.934 -1.072

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23381.09531.0953
N21.23382.03342.0334
H31.09532.03341.8673
H41.09532.03341.8673

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 121.522 N2 C1 H4 121.522
H3 C1 H4 116.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 N -0.127      
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 -2.427 2.427
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.684 0.000 0.000
y 0.000 -10.967 0.000
z 0.000 0.000 -12.720
Traceless
 xyz
x -0.840 0.000 0.000
y 0.000 1.736 0.000
z 0.000 0.000 -0.895
Polar
3z2-r2-1.790
x2-y2-1.717
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.764 0.000 0.000
y 0.000 2.424 0.000
z 0.000 0.000 3.526


<r2> (average value of r2) Å2
<r2> 16.885
(<r2>)1/2 4.109