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

using model chemistry: B97D3/6-31+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 B97D3/6-31+G**
 hartrees
Energy at 0K-168.490900
Energy at 298.15K 
HF Energy-168.490900
Nuclear repulsion energy59.921965
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 B97D3/6-31+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 3481 3421 240.16 37.64 0.22 0.36
2 Σ 2290 2250 369.52 30.72 0.08 0.15
3 Σ 1279 1257 98.78 25.32 0.24 0.39
4 Π 544 535 2.00 0.67 0.75 0.86
4 Π 544 535 2.00 0.67 0.75 0.86
5 Π 169i 166i 106.71 11.06 0.75 0.86
5 Π 169i 166i 106.71 11.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3900.2 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 3833.1 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 B97D3/6-31+G**
B
0.37610

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.193
N2 0.000 0.000 -0.019
C3 0.000 0.000 -1.192
H4 0.000 0.000 -2.258

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.21122.38443.4506
N21.21121.17322.2394
C32.38441.17321.0662
H43.45062.23941.0662

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 B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.160      
2 N -0.003      
3 C -0.111      
4 H 0.274      


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 -3.074 3.074
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.923 0.000 0.000
y 0.000 -16.923 0.000
z 0.000 0.000 -14.019
Traceless
 xyz
x -1.452 0.000 0.000
y 0.000 -1.452 0.000
z 0.000 0.000 2.904
Polar
3z2-r25.808
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 1.819 0.000 0.000
y 0.000 1.819 0.000
z 0.000 0.000 6.493


<r2> (average value of r2) Å2
<r2> 34.968
(<r2>)1/2 5.913

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-168.491070
Energy at 298.15K-168.491645
HF Energy-168.491070
Nuclear repulsion energy59.901951
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 B97D3/6-31+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' 3438 3378 181.89      
2 A' 2260 2222 386.25      
3 A' 1285 1263 81.24      
4 A' 534 525 7.33      
5 A' 286 281 148.43      
6 A" 539 529 3.21      

Unscaled Zero Point Vibrational Energy (zpe) 4170.8 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 4099.0 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 B97D3/6-31+G**
ABC
123.63316 0.37820 0.37705

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.845 0.837 0.000
N2 0.000 -0.028 0.000
C3 0.898 -0.792 0.000
H4 1.372 -1.750 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.20882.38573.4068
N21.20881.17942.2020
C32.38571.17941.0690
H43.40682.20201.0690

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 174.748 N2 C3 H4 156.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.136      
2 N 0.077      
3 C -0.175      
4 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.621 -2.356 0.000 2.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.812 -1.149 0.000
y -1.149 -14.535 0.000
z 0.000 0.000 -16.941
Traceless
 xyz
x -1.074 -1.149 0.000
y -1.149 2.341 0.000
z 0.000 0.000 -1.268
Polar
3z2-r2-2.536
x2-y2-2.277
xy-1.149
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.518 -2.326 0.000
y -2.326 3.914 0.000
z 0.000 0.000 1.847


<r2> (average value of r2) Å2
<r2> 34.921
(<r2>)1/2 5.909