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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-260.397094
Energy at 298.15K 
HF Energy-260.397094
Nuclear repulsion energy163.325935
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 HF/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 A1 3514 3173 5.15 84.93 0.09 0.17
2 A1 1631 1472 4.42 27.23 0.23 0.37
3 A1 1455 1314 12.94 14.46 0.39 0.56
4 A1 1122 1013 0.08 2.01 0.16 0.27
5 A1 1071 967 6.51 3.95 0.56 0.72
6 A1 899 812 48.48 12.48 0.14 0.25
7 A2 1088 983 0.00 4.75 0.75 0.86
8 A2 718 648 0.00 0.02 0.75 0.86
9 B1 1003 906 51.54 0.10 0.75 0.86
10 B1 653 590 0.97 1.56 0.75 0.86
11 B2 3501 3161 0.12 52.38 0.75 0.86
12 B2 1783 1610 3.13 1.22 0.75 0.86
13 B2 1343 1213 10.96 1.22 0.75 0.86
14 B2 1070 966 17.52 5.74 0.75 0.86
15 B2 920 831 1.18 1.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10885.5 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 9828.5 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 HF/6-31G
ABC
0.35228 0.32075 0.16789

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.136
N2 0.000 1.138 0.342
N3 0.000 -1.138 0.342
C4 0.000 0.719 -0.873
C5 0.000 -0.719 -0.873
H6 0.000 1.387 -1.700
H7 0.000 -1.387 -1.700

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.38751.38752.13332.13333.15683.1568
N21.38752.27611.28502.21912.05733.2472
N31.38752.27612.21911.28503.24722.0573
C42.13331.28502.21911.43821.06322.2624
C52.13332.21911.28501.43822.26241.0632
H63.15682.05733.24721.06322.26242.7732
H73.15683.24722.05732.26241.06322.7732

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.866 O1 N3 C5 105.866
N2 O1 N3 110.210 N2 C4 C5 109.028
N2 C4 H6 122.081 N3 C5 C4 109.028
N3 C5 H7 122.081 C4 C5 H7 128.890
C5 C4 H6 128.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.388      
2 N -0.052      
3 N -0.052      
4 C -0.034      
5 C -0.034      
6 H 0.280      
7 H 0.280      


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 -4.747 4.747
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.877 0.000 0.000
y 0.000 -31.213 0.000
z 0.000 0.000 -26.736
Traceless
 xyz
x 0.097 0.000 0.000
y 0.000 -3.406 0.000
z 0.000 0.000 3.309
Polar
3z2-r26.618
x2-y22.336
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.952 0.000 0.000
y 0.000 5.034 0.000
z 0.000 0.000 5.610


<r2> (average value of r2) Å2
<r2> 73.138
(<r2>)1/2 8.552