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

using model chemistry: M06-2X/STO-3G

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/STO-3G
 hartrees
Energy at 0K-166.286803
Energy at 298.15K 
HF Energy-166.286803
Nuclear repulsion energy58.159012
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/STO-3G
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 3756 3756 366.93 30.47 0.27 0.43
2 Σ 2506 2506 66.55 10.04 0.24 0.39
3 Σ 1253 1253 33.30 13.08 0.27 0.43
4 Π 508 508 4.07 0.44 0.75 0.86
4 Π 508 508 4.07 0.44 0.75 0.86
5 Π 163 163 56.25 0.63 0.75 0.86
5 Π 163 163 56.25 0.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4427.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4427.4 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/STO-3G
B
0.35434

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.236
N2 0.000 0.000 -0.036
C3 0.000 0.000 -1.223
H4 0.000 0.000 -2.296

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.27132.45843.5318
N21.27131.18722.2606
C32.45841.18721.0734
H43.53182.26061.0734

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/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.137      
2 N -0.015      
3 C -0.008      
4 H 0.159      


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 -2.495 2.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.968 0.000 0.000
y 0.000 -14.968 0.000
z 0.000 0.000 -12.839
Traceless
 xyz
x -1.065 0.000 0.000
y 0.000 -1.065 0.000
z 0.000 0.000 2.130
Polar
3z2-r24.259
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 0.365 0.000 0.000
y 0.000 0.365 0.000
z 0.000 0.000 3.898


<r2> (average value of r2) Å2
<r2> 35.373
(<r2>)1/2 5.948

Conformer 2 (CS)

Jump to S1C1
Energy calculated at M06-2X/STO-3G
 hartrees
Energy at 0K-166.286815
Energy at 298.15K-166.287080
HF Energy-166.286815
Nuclear repulsion energy58.153037
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/STO-3G
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' 3754 3754 361.36      
2 A' 2500 2500 67.66      
3 A' 1251 1251 33.06      
4 A' 514 514 5.17      
5 A' 172 172 60.01      
6 A" 515 515 2.64      

Unscaled Zero Point Vibrational Energy (zpe) 4352.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4352.9 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/STO-3G
ABC
1350.67908 0.35448 0.35439

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.331 -1.190 0.000
N2 0.000 0.037 0.000
C3 0.350 1.172 0.000
H4 0.545 2.228 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.27122.45853.5289
N21.27121.18772.2579
C32.45851.18771.0741
H43.52892.25791.0741

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 177.929 N2 C3 H4 173.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.136      
2 N -0.015      
3 C -0.008      
4 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.548 2.421 0.000 2.482
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.944 0.326 0.000
y 0.326 -12.888 0.000
z 0.000 0.000 -14.969
Traceless
 xyz
x -1.015 0.326 0.000
y 0.326 2.069 0.000
z 0.000 0.000 -1.053
Polar
3z2-r2-2.107
x2-y2-2.056
xy0.326
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.644 0.939 0.000
y 0.939 3.638 0.000
z 0.000 0.000 0.369


<r2> (average value of r2) Å2
<r2> 35.370
(<r2>)1/2 5.947