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All results from a given calculation for HCNO (fulminic acid)

using model chemistry: B97D3/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at B97D3/daug-cc-pVDZ
 hartrees
Energy at 0K-168.511068
Energy at 298.15K 
HF Energy-168.511068
Nuclear repulsion energy59.976276
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 B97D3/daug-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 Σ 3465 3465 227.51 40.27 0.22 0.36
2 Σ 2274 2274 380.25 39.58 0.04 0.07
3 Σ 1275 1275 100.00 28.74 0.18 0.31
4 Π 529 529 5.89 0.09 0.75 0.86
4 Π 529 529 5.89 0.09 0.75 0.86
5 Π 286i 286i 70.44 4.73 0.75 0.86
5 Π 286i 286i 70.44 4.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3750.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3750.3 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 B97D3/daug-cc-pVDZ
B
0.37675

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.191
N2 0.000 0.000 -0.017
C3 0.000 0.000 -1.191
H4 0.000 0.000 -2.260

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.20762.38213.4506
N21.20761.17452.2430
C32.38211.17451.0685
H43.45062.24301.0685

picture of fulminic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C3 180.000 N2 C3 H4 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -1.210      
2 N 2.448      
3 C -0.262      
4 H -0.977      


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 -2.932 2.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.927 0.000 0.000
y 0.000 -16.927 0.000
z 0.000 0.000 -14.054
Traceless
 xyz
x -1.437 0.000 0.000
y 0.000 -1.437 0.000
z 0.000 0.000 2.874
Polar
3z2-r25.747
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.679 0.000 0.000
y 0.000 2.679 0.000
z 0.000 0.000 6.661


<r2> (average value of r2) Å2
<r2> 34.942
(<r2>)1/2 5.911