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

using model chemistry: M06-2X/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-168.573556
Energy at 298.15K 
HF Energy-168.573556
Nuclear repulsion energy60.853178
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-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 3510 3355 288.12 25.52 0.23 0.37
2 Σ 2367 2262 455.31 73.87 0.07 0.14
3 Σ 1310 1252 189.17 18.05 0.20 0.33
4 Π 591 565 0.73 0.36 0.75 0.86
4 Π 591 565 0.73 0.36 0.75 0.86
5 Π 394 377 69.53 4.03 0.75 0.86
5 Π 394 377 69.53 4.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4578.9 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 4376.0 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-pVTZ
B
0.38813

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.175
N2 0.000 0.000 -0.022
C3 0.000 0.000 -1.170
H4 0.000 0.000 -2.231

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.19692.34543.4061
N21.19691.14852.2091
C32.34541.14851.0607
H43.40612.20911.0607

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-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.673      
2 N 0.493      
3 C -0.455      
4 H 0.635      


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 -3.532 3.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.904 0.000 0.000
y 0.000 -16.904 0.000
z 0.000 0.000 -13.984
Traceless
 xyz
x -1.460 0.000 0.000
y 0.000 -1.460 0.000
z 0.000 0.000 2.921
Polar
3z2-r25.841
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 2.460 0.000 0.000
y 0.000 2.460 0.000
z 0.000 0.000 6.255


<r2> (average value of r2) Å2
<r2> 34.195
(<r2>)1/2 5.848

Conformer 2 (CS)

Jump to S1C1
Energy calculated at M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-168.573554
Energy at 298.15K-168.574344
HF Energy-168.573554
Nuclear repulsion energy60.859153
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-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' 3509 3353 292.34      
2 A' 2368 2264 455.35      
3 A' 1312 1254 186.69      
4 A' 595 568 0.99      
5 A' 407 389 68.95      
6 A" 590 564 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 4390.5 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 4196.0 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-pVTZ
B
0.38821

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 -1.175 0.000
N2 0.000 0.022 0.000
C3 -0.001 1.170 0.000
H4 0.006 2.230 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.19702.34523.4056
N21.19701.14822.2087
C32.34521.14821.0605
H43.40562.20871.0605

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 179.946 N2 C3 H4 179.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.673      
2 N 0.493      
3 C -0.454      
4 H 0.634      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.009 3.533 0.000 3.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.903 0.023 0.000
y 0.023 -13.986 0.000
z 0.000 0.000 -16.903
Traceless
 xyz
x -1.458 0.023 0.000
y 0.023 2.917 0.000
z 0.000 0.000 -1.458
Polar
3z2-r2-2.917
x2-y2-2.917
xy0.023
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.459 -0.003 0.000
y -0.003 6.254 0.000
z 0.000 0.000 2.459


<r2> (average value of r2) Å2
<r2> 34.190
(<r2>)1/2 5.847