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

using model chemistry: M06-2X/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C*V 1Σ
1 2 yes CS 1A'

Conformer 1 (C*V)

Jump to S1C2
Energy calculated at M06-2X/aug-cc-pVDZ
 hartrees
Energy at 0K-168.532805
Energy at 298.15K 
HF Energy-168.532805
Nuclear repulsion energy60.501304
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 M06-2X/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 3524 3524 305.06 25.57 0.24 0.38
2 Σ 2374 2374 438.59 63.61 0.08 0.16
3 Σ 1321 1321 177.94 18.72 0.20 0.33
4 Π 572 572 1.85 0.25 0.75 0.86
4 Π 572 572 1.85 0.25 0.75 0.86
5 Π 342 342 71.04 3.63 0.75 0.86
5 Π 342 342 71.04 3.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4523.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4523.5 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 M06-2X/aug-cc-pVDZ
B
0.38360

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.181
N2 0.000 0.000 -0.020
C3 0.000 0.000 -1.178
H4 0.000 0.000 -2.246

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.20132.35933.4270
N21.20131.15802.2257
C32.35931.15801.0677
H43.42702.22571.0677

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 M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.624      
2 N 0.364      
3 C 0.438      
4 H -0.179      


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 -3.497 3.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.994 0.000 0.000
y 0.000 -16.994 0.000
z 0.000 0.000 -13.930
Traceless
 xyz
x -1.532 0.000 0.000
y 0.000 -1.532 0.000
z 0.000 0.000 3.064
Polar
3z2-r26.128
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 2.368 0.000 0.000
y 0.000 2.368 0.000
z 0.000 0.000 6.310


<r2> (average value of r2) Å2
<r2> 34.512
(<r2>)1/2 5.875

Conformer 2 (CS)

Jump to S1C1
Energy calculated at M06-2X/aug-cc-pVDZ
 hartrees
Energy at 0K-168.532818
Energy at 298.15K-168.533531
HF Energy-168.532818
Nuclear repulsion energy60.497059
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 M06-2X/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3517 3517 303.67      
2 A' 2373 2373 443.30      
3 A' 1324 1324 174.63      
4 A' 579 579 2.13      
5 A' 348 348 70.55      
6 A" 577 577 5.67      

Unscaled Zero Point Vibrational Energy (zpe) 4358.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4358.6 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 M06-2X/aug-cc-pVDZ
B
0.38355

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.028 -1.181 0.000
N2 0.000 0.020 0.000
C3 0.030 1.178 0.000
H4 0.049 2.245 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.20162.35953.4270
N21.20161.15792.2254
C32.35951.15791.0675
H43.42702.22541.0675

picture of fulminic acid state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C3 179.887 N2 C3 H4 179.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.624      
2 N 0.364      
3 C 0.439      
4 H -0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.076 3.499 0.000 3.500
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.993 0.056 0.000
y 0.056 -13.931 0.000
z 0.000 0.000 -16.994
Traceless
 xyz
x -1.531 0.056 0.000
y 0.056 3.063 0.000
z 0.000 0.000 -1.532
Polar
3z2-r2-3.064
x2-y2-3.063
xy0.056
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.368 0.099 0.000
y 0.099 6.305 0.000
z 0.000 0.000 2.365


<r2> (average value of r2) Å2
<r2> 34.514
(<r2>)1/2 5.875