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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-93.941666
Energy at 298.15K-93.943017
HF Energy-93.941666
Nuclear repulsion energy27.517946
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-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 2994 2878 0.09      
2 A1 1759 1691 0.69      
3 A1 1347 1295 15.59      
4 B1 975 937 31.07      
5 B2 3062 2943 9.85      
6 B2 903 867 6.00      

Unscaled Zero Point Vibrational Energy (zpe) 5519.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 5305.3 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 B1B95/cc-pVDZ
ABC
9.43172 1.30682 1.14779

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.503
N2 0.000 0.000 0.740
H3 0.000 0.942 -1.082
H4 0.000 -0.942 -1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24281.10591.1059
N21.24282.05152.0515
H31.10592.05151.8833
H41.10592.05151.8833

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 121.623 N2 C1 H4 121.623
H3 C1 H4 116.755
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 N -0.143      
3 H 0.068      
4 H 0.068      


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 -2.280 2.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.474 0.000 0.000
y 0.000 -10.834 0.000
z 0.000 0.000 -12.513
Traceless
 xyz
x -0.801 0.000 0.000
y 0.000 1.660 0.000
z 0.000 0.000 -0.859
Polar
3z2-r2-1.718
x2-y2-1.640
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.304 0.000 0.000
y 0.000 2.180 0.000
z 0.000 0.000 3.256


<r2> (average value of r2) Å2
<r2> 16.925
(<r2>)1/2 4.114