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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B97D3/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-261.934258
Energy at 298.15K 
HF Energy-261.934258
Nuclear repulsion energy162.061247
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/aug-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 A1 3226 3226 0.00 118.40 0.09 0.16
2 A1 1414 1414 15.37 15.10 0.32 0.48
3 A1 1301 1301 2.26 27.86 0.03 0.05
4 A1 1037 1037 2.21 5.29 0.28 0.43
5 A1 999 999 11.13 7.53 0.10 0.18
6 A1 861 861 20.60 8.08 0.10 0.19
7 A2 858 858 0.00 0.03 0.75 0.86
8 A2 638 638 0.00 0.12 0.75 0.86
9 B1 822 822 41.80 0.02 0.75 0.86
10 B1 634 634 1.40 0.21 0.75 0.86
11 B2 3211 3211 0.04 65.82 0.75 0.86
12 B2 1520 1520 0.01 0.02 0.75 0.86
13 B2 1155 1155 4.47 0.64 0.75 0.86
14 B2 944 944 19.12 2.49 0.75 0.86
15 B2 745 745 5.14 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9681.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9681.8 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/aug-cc-pVDZ
ABC
0.34475 0.31859 0.16558

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.135
N2 0.000 1.144 0.358
N3 0.000 -1.144 0.358
C4 0.000 0.713 -0.888
C5 0.000 -0.713 -0.888
H6 0.000 1.413 -1.721
H7 0.000 -1.413 -1.721

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.38301.38302.14432.14433.18633.1863
N21.38302.28901.31842.23672.09663.2962
N31.38302.28902.23671.31843.29622.0966
C42.14431.31842.23671.42621.08852.2837
C52.14432.23671.31841.42622.28371.0885
H63.18632.09663.29621.08852.28372.8261
H73.18633.29622.09662.28371.08852.8261

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.054 O1 N3 C5 105.054
N2 O1 N3 111.692 N2 C4 C5 109.100
N2 C4 H6 120.880 N3 C5 C4 109.100
N3 C5 H7 120.880 C4 C5 H7 130.020
C5 C4 H6 130.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.458      
2 N -0.215      
3 N -0.215      
4 C 0.795      
5 C 0.795      
6 H -0.351      
7 H -0.351      


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 -3.315 3.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.677 0.000 0.000
y 0.000 -30.146 0.000
z 0.000 0.000 -25.438
Traceless
 xyz
x -0.885 0.000 0.000
y 0.000 -3.089 0.000
z 0.000 0.000 3.974
Polar
3z2-r27.947
x2-y21.469
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.064 0.000 0.000
y 0.000 7.161 0.000
z 0.000 0.000 6.904


<r2> (average value of r2) Å2
<r2> 73.451
(<r2>)1/2 8.570