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

using model chemistry: SVWN/6-311G**

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 SVWN/6-311G**
 hartrees
Energy at 0K-167.747253
Energy at 298.15K 
HF Energy-167.747253
Nuclear repulsion energy60.660762
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 SVWN/6-311G**
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 3448 3412 267.25 27.83 0.24 0.39
2 Σ 2351 2327 327.32 17.57 0.10 0.18
3 Σ 1344 1330 80.61 22.73 0.28 0.44
4 Π 573 567 0.19 0.66 0.75 0.86
4 Π 573 567 0.19 0.66 0.75 0.86
5 Π 142 141 91.98 3.60 0.75 0.86
5 Π 142 141 91.98 3.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4286.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 4242.1 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 SVWN/6-311G**
B
0.38533

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311G**

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 -0.012
C3 0.000 0.000 -1.179
H4 0.000 0.000 -2.248

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.18742.35413.4230
N21.18741.16672.2355
C32.35411.16671.0689
H43.42302.23551.0689

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 SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.290      
2 N 0.075      
3 C 0.002      
4 H 0.214      


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 -2.719 2.719
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.747 0.000 0.000
y 0.000 -16.747 0.000
z 0.000 0.000 -13.976
Traceless
 xyz
x -1.386 0.000 0.000
y 0.000 -1.386 0.000
z 0.000 0.000 2.771
Polar
3z2-r25.543
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 1.498 0.000 0.000
y 0.000 1.498 0.000
z 0.000 0.000 5.705


<r2> (average value of r2) Å2
<r2> 34.324
(<r2>)1/2 5.859

Conformer 2 (CS)

Jump to S1C1
Energy calculated at SVWN/6-311G**
 hartrees
Energy at 0K-167.747254
Energy at 298.15K-167.747699
HF Energy-167.747254
Nuclear repulsion energy60.660078
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 SVWN/6-311G**
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' 3445 3409 267.48      
2 A' 2351 2327 327.27      
3 A' 1344 1330 80.53      
4 A' 573 568 0.22      
5 A' 154 152 91.97      
6 A" 573 568 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 4220.3 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 4176.4 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 SVWN/6-311G**
B
0.38532

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.011 -1.175 0.000
N2 0.000 0.012 0.000
C3 0.011 1.179 0.000
H4 0.019 2.248 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.18742.35413.4233
N21.18741.16672.2359
C32.35411.16671.0692
H43.42332.23591.0692

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 179.965 N2 C3 H4 179.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.290      
2 N 0.075      
3 C 0.002      
4 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.021 2.719 0.000 2.719
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.747 0.017 0.000
y 0.017 -13.974 0.000
z 0.000 0.000 -16.747
Traceless
 xyz
x -1.387 0.017 0.000
y 0.017 2.774 0.000
z 0.000 0.000 -1.387
Polar
3z2-r2-2.774
x2-y2-2.774
xy0.017
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.498 0.040 0.000
y 0.040 5.705 0.000
z 0.000 0.000 1.498


<r2> (average value of r2) Å2
<r2> 34.325
(<r2>)1/2 5.859