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: wB97X-D/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/cc-pVQZ
 hartrees
Energy at 0K-262.069121
Energy at 298.15K 
HF Energy-262.069121
Nuclear repulsion energy165.102736
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-pVQZ
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 3294 3294 0.50 99.51 0.09 0.16
2 A1 1486 1486 13.24 20.99 0.21 0.34
3 A1 1372 1372 4.42 18.65 0.06 0.12
4 A1 1079 1079 26.03 6.66 0.26 0.42
5 A1 1066 1066 0.17 5.31 0.12 0.22
6 A1 941 941 20.26 4.05 0.12 0.21
7 A2 935 935 0.00 0.43 0.75 0.86
8 A2 672 672 0.00 0.09 0.75 0.86
9 B1 879 879 39.79 0.01 0.75 0.86
10 B1 671 671 1.81 0.34 0.75 0.86
11 B2 3280 3280 0.22 52.99 0.75 0.86
12 B2 1620 1620 0.04 0.09 0.75 0.86
13 B2 1218 1218 3.70 0.65 0.75 0.86
14 B2 985 985 18.29 3.79 0.75 0.86
15 B2 963 963 6.95 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10229.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10229.9 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-pVQZ
ABC
0.35619 0.33170 0.17175

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.113
N2 0.000 1.115 0.355
N3 0.000 -1.115 0.355
C4 0.000 0.707 -0.875
C5 0.000 -0.707 -0.875
H6 0.000 1.405 -1.693
H7 0.000 -1.405 -1.693

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.34831.34832.10982.10983.13833.1383
N21.34832.23051.29572.19882.06903.2476
N31.34832.23052.19881.29573.24762.0690
C42.10981.29572.19881.41491.07542.2653
C52.10982.19881.29571.41492.26531.0754
H63.13832.06903.24761.07542.26532.8094
H73.13833.24762.06902.26531.07542.8094

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.849 O1 N3 C5 105.849
N2 O1 N3 111.614 N2 C4 C5 108.344
N2 C4 H6 121.237 N3 C5 C4 108.344
N3 C5 H7 121.237 C4 C5 H7 130.419
C5 C4 H6 130.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.074      
2 N -0.062      
3 N -0.062      
4 C -0.029      
5 C -0.029      
6 H 0.127      
7 H 0.127      


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 -3.312 3.312
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.258 0.000 0.000
y 0.000 -29.827 0.000
z 0.000 0.000 -25.016
Traceless
 xyz
x -0.836 0.000 0.000
y 0.000 -3.190 0.000
z 0.000 0.000 4.027
Polar
3z2-r28.053
x2-y21.570
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.582 0.000 0.000
y 0.000 6.304 0.000
z 0.000 0.000 6.322


<r2> (average value of r2) Å2
<r2> 71.258
(<r2>)1/2 8.441