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

using model chemistry: B97D3/6-31G*

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 B97D3/6-31G*
 hartrees
Energy at 0K-168.479924
Energy at 298.15K 
HF Energy-168.479924
Nuclear repulsion energy59.969214
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 B97D3/6-31G*
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 3496 3427 206.41 31.48 0.24 0.38
2 Σ 2317 2272 276.99 16.16 0.17 0.29
3 Σ 1295 1270 79.89 20.35 0.28 0.43
4 Π 551 541 0.89 0.72 0.75 0.86
4 Π 551 541 0.89 0.72 0.75 0.86
5 Π 242i 237i 90.19 2.24 0.75 0.86
5 Π 242i 237i 90.19 2.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3863.5 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 3787.7 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 B97D3/6-31G*
B
0.37666

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.191
N2 0.000 0.000 -0.017
C3 0.000 0.000 -1.192
H4 0.000 0.000 -2.258

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.20852.38263.4490
N21.20851.17412.2405
C32.38261.17411.0664
H43.44902.24051.0664

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 B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.441      
2 N 0.191      
3 C -0.014      
4 H 0.264      


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 -2.865 2.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.366 0.000 0.000
y 0.000 -16.366 0.000
z 0.000 0.000 -13.382
Traceless
 xyz
x -1.492 0.000 0.000
y 0.000 -1.492 0.000
z 0.000 0.000 2.983
Polar
3z2-r25.967
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 1.367 0.000 0.000
y 0.000 1.367 0.000
z 0.000 0.000 5.513


<r2> (average value of r2) Å2
<r2> 34.569
(<r2>)1/2 5.880

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-168.480382
Energy at 298.15K-168.481054
HF Energy-168.480382
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3429 3361 132.34      
2 A' 2273 2229 302.19      
3 A' 1300 1275 58.52      
4 A' 545 535 5.15      
5 A' 364 357 154.71      
6 A" 549 538 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 4230.0 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 4147.1 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 B97D3/6-31G*
ABC
82.96589 0.37977 0.37804

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.966 0.688 0.000
N2 0.000 -0.032 0.000
C3 1.025 -0.624 0.000
H4 1.583 -1.538 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.20542.38443.3840
N21.20541.18322.1842
C32.38441.18321.0707
H43.38402.18421.0707

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 173.289 N2 C3 H4 151.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.419      
2 N 0.271      
3 C -0.093      
4 H 0.241      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.680 -1.933 0.000 2.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.008 -1.390 0.000
y -1.390 -14.362 0.000
z 0.000 0.000 -16.405
Traceless
 xyz
x -0.624 -1.390 0.000
y -1.390 1.844 0.000
z 0.000 0.000 -1.220
Polar
3z2-r2-2.439
x2-y2-1.646
xy-1.390
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.369 -1.895 0.000
y -1.895 2.696 0.000
z 0.000 0.000 1.369


<r2> (average value of r2) Å2
<r2> 34.509
(<r2>)1/2 5.874