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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-93.948805
Energy at 298.15K-93.950157
HF Energy-93.948805
Nuclear repulsion energy27.428482
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 B3PW91/cc-pVDZ
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 2981 2876 0.00      
2 A1 1737 1676 0.66      
3 A1 1348 1301 15.39      
4 B1 975 941 31.67      
5 B2 3047 2941 10.54      
6 B2 908 876 6.01      

Unscaled Zero Point Vibrational Energy (zpe) 5497.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 5305.1 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 B3PW91/cc-pVDZ
ABC
9.39412 1.29757 1.14009

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.505
N2 0.000 0.000 0.743
H3 0.000 0.944 -1.086
H4 0.000 -0.944 -1.086

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24731.10841.1084
N21.24732.05792.0579
H31.10842.05791.8871
H41.10842.05791.8871

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 121.647 N2 C1 H4 121.647
H3 C1 H4 116.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.011      
2 N -0.146      
3 H 0.078      
4 H 0.078      


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 -2.296 2.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.490 0.000 0.000
y 0.000 -10.827 0.000
z 0.000 0.000 -12.534
Traceless
 xyz
x -0.809 0.000 0.000
y 0.000 1.685 0.000
z 0.000 0.000 -0.875
Polar
3z2-r2-1.751
x2-y2-1.663
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.311 0.000 0.000
y 0.000 2.188 0.000
z 0.000 0.000 3.276


<r2> (average value of r2) Å2
<r2> 16.993
(<r2>)1/2 4.122