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

using model chemistry: B97D3/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-168.548349
Energy at 298.15K 
HF Energy-168.548349
Nuclear repulsion energy60.410145
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/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 3468 3420 225.36 30.34 0.25 0.40
2 Σ 2285 2253 361.52 26.45 0.07 0.13
3 Σ 1282 1264 92.86 23.02 0.27 0.42
4 Π 551 543 2.61 0.28 0.75 0.86
4 Π 551 543 2.61 0.28 0.75 0.86
5 Π 233i 230i 79.08 4.02 0.75 0.86
5 Π 233i 230i 79.08 4.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3835.2 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 3781.5 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 B97D3/cc-pVTZ
B
0.38222

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.182
N2 0.000 0.000 -0.016
C3 0.000 0.000 -1.183
H4 0.000 0.000 -2.245

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.19842.36483.4269
N21.19841.16642.2285
C32.36481.16641.0621
H43.42692.22851.0621

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/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.246      
2 N 0.287      
3 C -0.191      
4 H 0.150      


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 -2.781 2.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.634 0.000 0.000
y 0.000 -16.634 0.000
z 0.000 0.000 -13.831
Traceless
 xyz
x -1.402 0.000 0.000
y 0.000 -1.402 0.000
z 0.000 0.000 2.803
Polar
3z2-r25.607
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 1.927 0.000 0.000
y 0.000 1.927 0.000
z 0.000 0.000 6.001


<r2> (average value of r2) Å2
<r2> 34.419
(<r2>)1/2 5.867

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-168.548614
Energy at 298.15K-168.549251
HF Energy-168.548614
Nuclear repulsion energy60.387395
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/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' 3420 3372 167.76      
2 A' 2254 2223 378.01      
3 A' 1287 1269 75.06      
4 A' 549 541 4.17      
5 A' 316 312 137.71      
6 A" 549 542 2.89      

Unscaled Zero Point Vibrational Energy (zpe) 4187.9 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 4129.3 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 B97D3/cc-pVTZ
ABC
117.48821 0.38449 0.38323

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.905 0.755 0.000
N2 0.000 -0.027 0.000
C3 0.957 -0.705 0.000
H4 1.500 -1.621 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.19592.36613.3812
N21.19591.17292.1894
C32.36611.17291.0654
H43.38122.18941.0654

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 174.515 N2 C3 H4 155.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.233      
2 N 0.269      
3 C -0.193      
4 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.619 -1.976 0.000 2.555
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.242 -1.268 0.000
y -1.268 -14.623 0.000
z 0.000 0.000 -16.661
Traceless
 xyz
x -0.600 -1.268 0.000
y -1.268 1.829 0.000
z 0.000 0.000 -1.229
Polar
3z2-r2-2.457
x2-y2-1.619
xy-1.268
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.558 -1.968 0.000
y -1.968 3.477 0.000
z 0.000 0.000 1.930


<r2> (average value of r2) Å2
<r2> 34.368
(<r2>)1/2 5.862