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

using model chemistry: M06-2X/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-168.507886
Energy at 298.15K 
HF Energy-168.507886
Nuclear repulsion energy60.439214
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/6-31+G**
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 3534 3365 306.56 26.81 0.22 0.36
2 Σ 2388 2274 422.12 54.27 0.14 0.24
3 Σ 1322 1259 177.79 17.45 0.24 0.39
4 Π 589 561 0.24 1.75 0.75 0.86
4 Π 589 561 0.24 1.75 0.75 0.86
5 Π 423 403 102.28 7.08 0.75 0.86
5 Π 423 403 102.28 7.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4634.8 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 4413.3 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 M06-2X/6-31+G**
B
0.38284

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.184
N2 0.000 0.000 -0.022
C3 0.000 0.000 -1.178
H4 0.000 0.000 -2.243

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.20582.36203.4267
N21.20581.15622.2209
C32.36201.15621.0647
H43.42672.22091.0647

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/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.222      
2 N 0.055      
3 C -0.133      
4 H 0.300      


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 -3.637 3.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.961 0.000 0.000
y 0.000 -16.961 0.000
z 0.000 0.000 -14.030
Traceless
 xyz
x -1.466 0.000 0.000
y 0.000 -1.466 0.000
z 0.000 0.000 2.931
Polar
3z2-r25.862
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 1.705 0.000 0.000
y 0.000 1.705 0.000
z 0.000 0.000 6.221


<r2> (average value of r2) Å2
<r2> 34.556
(<r2>)1/2 5.878

Conformer 2 (CS)

Jump to S1C1
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-168.507891
Energy at 298.15K-168.508690
HF Energy-168.507891
Nuclear repulsion energy60.444967
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/6-31+G**
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' 3527 3358 311.76      
2 A' 2389 2275 428.38      
3 A' 1327 1263 174.74      
4 A' 594 566 0.12      
5 A' 430 409 101.95      
6 A" 581 554 7.36      

Unscaled Zero Point Vibrational Energy (zpe) 4423.9 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 4212.5 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/6-31+G**
B
0.38291

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.002 -1.183 0.000
N2 0.000 0.022 0.000
C3 0.002 1.178 0.000
H4 0.003 2.243 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.20562.36183.4263
N21.20561.15622.2207
C32.36181.15621.0645
H43.42632.22071.0645

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 179.993 N2 C3 H4 179.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.222      
2 N 0.055      
3 C -0.133      
4 H 0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.005 3.635 0.000 3.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.960 0.003 0.000
y 0.003 -14.032 0.000
z 0.000 0.000 -16.960
Traceless
 xyz
x -1.464 0.003 0.000
y 0.003 2.928 0.000
z 0.000 0.000 -1.464
Polar
3z2-r2-2.928
x2-y2-2.928
xy0.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.703 0.007 0.000
y 0.007 6.225 0.000
z 0.000 0.000 1.703


<r2> (average value of r2) Å2
<r2> 34.552
(<r2>)1/2 5.878