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

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-93.872977
Energy at 298.15K-93.874331
HF Energy-93.872977
Nuclear repulsion energy27.456020
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 PBE1PBE/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 2999 2884 0.06      
2 A1 1753 1685 0.60      
3 A1 1350 1298 15.87      
4 B1 980 943 32.07      
5 B2 3069 2951 9.08      
6 B2 910 875 6.18      

Unscaled Zero Point Vibrational Energy (zpe) 5530.6 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 5317.7 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 PBE1PBE/cc-pVDZ
ABC
9.38836 1.30093 1.14260

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.504
N2 0.000 0.000 0.742
H3 0.000 0.944 -1.084
H4 0.000 -0.944 -1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24601.10761.1076
N21.24602.05512.0551
H31.10762.05511.8877
H41.10762.05511.8877

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 121.551 N2 C1 H4 121.551
H3 C1 H4 116.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.012      
2 N -0.145      
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 -2.293 2.293
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.534 0.000 0.000
y 0.000 -10.843 0.000
z 0.000 0.000 -12.557
Traceless
 xyz
x -0.834 0.000 0.000
y 0.000 1.703 0.000
z 0.000 0.000 -0.869
Polar
3z2-r2-1.737
x2-y2-1.691
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 2.184 0.000
z 0.000 0.000 3.263


<r2> (average value of r2) Å2
<r2> 16.989
(<r2>)1/2 4.122