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

using model chemistry: M06-2X/cc-pVTZ

19 10 17 12 22

States and conformations

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

Conformer 1 (C*V)

Jump to S1C2
Energy calculated at M06-2X/cc-pVTZ
 hartrees
Energy at 0K-168.570148
Energy at 298.15K 
HF Energy-168.570148
Nuclear repulsion energy60.876345
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/cc-pVTZ
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 3519 3361 281.19 21.40 0.25 0.41
2 Σ 2373 2266 435.81 54.36 0.12 0.21
3 Σ 1319 1260 174.75 15.55 0.28 0.44
4 Π 595 568 0.27 0.58 0.75 0.86
4 Π 595 568 0.27 0.58 0.75 0.86
5 Π 379 362 77.10 3.76 0.75 0.86
5 Π 379 362 77.10 3.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4578.8 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 4373.2 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/cc-pVTZ
B
0.38839

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.174
N2 0.000 0.000 -0.021
C3 0.000 0.000 -1.170
H4 0.000 0.000 -2.230

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.19512.34473.4050
N21.19511.14962.2099
C32.34471.14961.0602
H43.40502.20991.0602

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/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.313      
2 N 0.330      
3 C -0.182      
4 H 0.165      


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 -3.424 3.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.763 0.000 0.000
y 0.000 -16.763 0.000
z 0.000 0.000 -13.836
Traceless
 xyz
x -1.463 0.000 0.000
y 0.000 -1.463 0.000
z 0.000 0.000 2.926
Polar
3z2-r25.853
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 1.867 0.000 0.000
y 0.000 1.867 0.000
z 0.000 0.000 5.852


<r2> (average value of r2) Å2
<r2> 34.090
(<r2>)1/2 5.839

Conformer 2 (CS)

Jump to S1C1
Energy calculated at M06-2X/cc-pVTZ
 hartrees
Energy at 0K-168.570145
Energy at 298.15K-168.570927
HF Energy-168.570145
Nuclear repulsion energy60.874472
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3519 3361 284.09      
2 A' 2372 2266 437.75      
3 A' 1320 1261 173.32      
4 A' 598 572 0.44      
5 A' 392 374 76.16      
6 A" 598 571 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 4399.1 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 4201.6 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/cc-pVTZ
B
0.38837

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.001 -1.175 0.000
N2 0.000 0.021 0.000
C3 0.001 1.170 0.000
H4 0.002 2.230 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.19522.34483.4048
N21.19521.14962.2096
C32.34481.14961.0600
H43.40482.20961.0600

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 179.994 N2 C3 H4 179.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.314      
2 N 0.330      
3 C -0.182      
4 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.003 3.425 0.000 3.425
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.762 0.002 0.000
y 0.002 -13.837 0.000
z 0.000 0.000 -16.762
Traceless
 xyz
x -1.462 0.002 0.000
y 0.002 2.925 0.000
z 0.000 0.000 -1.462
Polar
3z2-r2-2.925
x2-y2-2.925
xy0.002
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.865 0.004 0.000
y 0.004 5.858 0.000
z 0.000 0.000 1.865


<r2> (average value of r2) Å2
<r2> 34.091
(<r2>)1/2 5.839