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

using model chemistry: wB97X-D/cc-pVDZ

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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-168.523648
Energy at 298.15K 
HF Energy-168.523648
Nuclear repulsion energy60.538648
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 wB97X-D/cc-pVDZ
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 3530 3363 273.74 21.74 0.26 0.42
2 Σ 2376 2263 373.00 29.77 0.15 0.26
3 Σ 1343 1279 126.18 18.02 0.30 0.46
4 Π 581 553 0.28 0.68 0.75 0.86
4 Π 581 553 0.28 0.68 0.75 0.86
5 Π 227 217 88.55 2.65 0.75 0.86
5 Π 227 217 88.55 2.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4432.2 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 4222.1 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 wB97X-D/cc-pVDZ
B
0.38396

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.179
N2 0.000 0.000 -0.016
C3 0.000 0.000 -1.179
H4 0.000 0.000 -2.249

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.19532.35823.4278
N21.19531.16282.2325
C32.35821.16281.0697
H43.42782.23251.0697

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 wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.299      
2 N 0.221      
3 C -0.053      
4 H 0.131      


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 -3.088 3.088
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.456 0.000 0.000
y 0.000 -16.456 0.000
z 0.000 0.000 -13.712
Traceless
 xyz
x -1.372 0.000 0.000
y 0.000 -1.372 0.000
z 0.000 0.000 2.744
Polar
3z2-r25.488
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 1.397 0.000 0.000
y 0.000 1.397 0.000
z 0.000 0.000 5.580


<r2> (average value of r2) Å2
<r2> 34.229
(<r2>)1/2 5.851

Conformer 2 (CS)

Jump to S1C1
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-168.518043
Energy at 298.15K 
HF Energy-168.518043
Nuclear repulsion energy60.524900
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 wB97X-D/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at wB97X-D/cc-pVDZ
B
0.38396

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.057 0.547 0.000
N2 0.000 -0.044 0.000
C3 1.092 -0.482 0.000
H4 1.905 -1.177 0.000

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.21152.38313.4276
N21.21151.17662.2163
C32.38311.17661.0696
H43.42762.21631.0696

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 172.601 N2 C3 H4 161.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.217      
2 N 0.082      
3 C -0.153      
4 H 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.042 -3.302 0.000 3.462
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.910 0.440 0.000
y 0.440 -14.058 0.000
z 0.000 0.000 -16.842
Traceless
 xyz
x -1.460 0.440 0.000
y 0.440 2.818 0.000
z 0.000 0.000 -1.358
Polar
3z2-r2-2.715
x2-y2-2.852
xy0.440
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.397 0.000 0.000
y 0.000 1.397 0.000
z 0.000 0.000 5.580


<r2> (average value of r2) Å2
<r2> 34.404
(<r2>)1/2 5.865