return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: M06-2X/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/STO-3G
 hartrees
Energy at 0K-258.661048
Energy at 298.15K 
HF Energy-258.661048
Nuclear repulsion energy159.150268
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 M06-2X/STO-3G
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 3584 3584 48.46 46.28 0.12 0.22
2 A1 1480 1480 28.59 15.72 0.57 0.73
3 A1 1399 1399 0.27 10.68 0.09 0.16
4 A1 1127 1127 5.27 8.02 0.10 0.18
5 A1 1105 1105 3.20 7.68 0.69 0.82
6 A1 956 956 3.04 1.06 0.14 0.24
7 A2 951 951 0.00 2.20 0.75 0.86
8 A2 661 661 0.00 0.37 0.75 0.86
9 B1 889 889 17.88 1.25 0.75 0.86
10 B1 604 604 1.19 0.30 0.75 0.86
11 B2 3564 3564 17.43 34.65 0.75 0.86
12 B2 1645 1645 13.93 0.01 0.75 0.86
13 B2 1267 1267 3.40 0.64 0.75 0.86
14 B2 1112 1112 0.74 0.03 0.75 0.86
15 B2 977 977 10.85 5.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10660.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10660.3 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 M06-2X/STO-3G
ABC
0.33058 0.30918 0.15976

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.160
N2 0.000 1.169 0.364
N3 0.000 -1.169 0.364
C4 0.000 0.715 -0.906
C5 0.000 -0.715 -0.906
H6 0.000 1.403 -1.755
H7 0.000 -1.403 -1.755

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.41431.41432.18692.18693.23503.2350
N21.41432.33811.34912.27272.13193.3323
N31.41432.33812.27271.34913.33232.1319
C42.18691.34912.27271.43091.09202.2819
C52.18692.27271.34911.43092.28191.0920
H63.23502.13193.33231.09202.28192.8056
H73.23503.33232.13192.28191.09202.8056

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.604 O1 N3 C5 104.604
N2 O1 N3 111.496 N2 C4 C5 109.648
N2 C4 H6 121.341 N3 C5 C4 109.648
N3 C5 H7 121.341 C4 C5 H7 129.012
C5 C4 H6 129.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.006      
2 N -0.091      
3 N -0.091      
4 C -0.025      
5 C -0.025      
6 H 0.118      
7 H 0.118      


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 -2.612 2.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.589 0.000 0.000
y 0.000 -28.455 0.000
z 0.000 0.000 -24.210
Traceless
 xyz
x 0.744 0.000 0.000
y 0.000 -3.556 0.000
z 0.000 0.000 2.812
Polar
3z2-r25.623
x2-y22.867
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.844 0.000 0.000
y 0.000 3.475 0.000
z 0.000 0.000 3.699


<r2> (average value of r2) Å2
<r2> 74.144
(<r2>)1/2 8.611