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

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-93.876345
Energy at 298.15K-93.877679
HF Energy-93.876345
Nuclear repulsion energy27.265578
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 PBEPBEultrafine/aug-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 2882 2864 0.30      
2 A1 1676 1666 1.56      
3 A1 1305 1297 17.87      
4 B1 940 934 36.56      
5 B2 2939 2921 10.93      
6 B2 870 865 5.77      

Unscaled Zero Point Vibrational Energy (zpe) 5305.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 5273.5 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
9.28720 1.28209 1.12657

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.507
N2 0.000 0.000 0.747
H3 0.000 0.949 -1.093
H4 0.000 -0.949 -1.093

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25461.11531.1153
N21.25462.07082.0708
H31.11532.07081.8979
H41.11532.07081.8979

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 121.696 N2 C1 H4 121.696
H3 C1 H4 116.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.694      
2 N -0.362      
3 H -0.166      
4 H -0.166      


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 -2.476 2.476
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.009 0.000 0.000
y 0.000 -11.261 0.000
z 0.000 0.000 -13.165
Traceless
 xyz
x -0.796 0.000 0.000
y 0.000 1.825 0.000
z 0.000 0.000 -1.030
Polar
3z2-r2-2.060
x2-y2-1.747
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.367 0.000 0.000
y 0.000 2.958 0.000
z 0.000 0.000 4.113


<r2> (average value of r2) Å2
<r2> 17.438
(<r2>)1/2 4.176