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

using model chemistry: B3LYP/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 B3LYP/daug-cc-pVDZ
 hartrees
Energy at 0K-168.601712
Energy at 298.15K 
HF Energy-168.601712
Nuclear repulsion energy60.205531
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 B3LYP/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 3504 3504 268.94 32.36 0.22 0.36
2 Σ 2318 2318 406.88 50.18 0.06 0.12
3 Σ 1286 1286 135.36 24.07 0.18 0.31
4 Π 545 545 4.42 0.17 0.75 0.86
4 Π 545 545 4.42 0.17 0.75 0.86
5 Π 117 117 69.25 4.38 0.75 0.86
5 Π 117 117 69.25 4.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4215.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4215.8 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 B3LYP/daug-cc-pVDZ
B
0.37979

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.187
N2 0.000 0.000 -0.020
C3 0.000 0.000 -1.185
H4 0.000 0.000 -2.251

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.20782.37203.4380
N21.20781.16422.2302
C32.37201.16421.0660
H43.43802.23021.0660

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 B3LYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -1.173      
2 N 2.410      
3 C -0.165      
4 H -1.072      


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 -3.262 3.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.022 0.000 0.000
y 0.000 -17.022 0.000
z 0.000 0.000 -14.174
Traceless
 xyz
x -1.424 0.000 0.000
y 0.000 -1.424 0.000
z 0.000 0.000 2.849
Polar
3z2-r25.697
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 2.596 0.000 0.000
y 0.000 2.596 0.000
z 0.000 0.000 6.518


<r2> (average value of r2) Å2
<r2> 34.806
(<r2>)1/2 5.900