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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-260.540446
Energy at 298.15K 
HF Energy-260.540446
Nuclear repulsion energy156.317307
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 BLYP/3-21G
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 3214 3196 1.67 95.40 0.11 0.19
2 A1 1308 1301 17.53 13.80 0.68 0.81
3 A1 1228 1222 0.20 13.37 0.14 0.24
4 A1 1019 1013 0.01 6.31 0.26 0.41
5 A1 907 902 2.07 4.56 0.51 0.68
6 A1 795 790 6.16 10.56 0.12 0.22
7 A2 887 882 0.00 2.41 0.75 0.86
8 A2 624 621 0.00 0.50 0.75 0.86
9 B1 834 829 48.03 1.73 0.75 0.86
10 B1 561 558 0.67 0.58 0.75 0.86
11 B2 3197 3180 0.09 61.56 0.75 0.86
12 B2 1429 1422 5.93 0.02 0.75 0.86
13 B2 1157 1150 9.09 1.05 0.75 0.86
14 B2 924 919 13.28 5.16 0.75 0.86
15 B2 637 633 1.98 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9360.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 9308.8 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 BLYP/3-21G
ABC
0.32454 0.29276 0.15392

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.203
N2 0.000 1.215 0.337
N3 0.000 -1.215 0.337
C4 0.000 0.719 -0.901
C5 0.000 -0.719 -0.901
H6 0.000 1.374 -1.765
H7 0.000 -1.374 -1.765

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.49241.49242.22412.22413.27113.2711
N21.49242.43061.33412.29692.10813.3355
N31.49242.43062.29691.33413.33552.1081
C42.22411.33412.29691.43821.08412.2646
C52.22412.29691.33411.43822.26461.0841
H63.27112.10813.33551.08412.26462.7488
H73.27113.33552.10812.26461.08412.7488

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 103.645 O1 N3 C5 103.645
N2 O1 N3 109.042 N2 C4 C5 111.834
N2 C4 H6 120.978 N3 C5 C4 111.834
N3 C5 H7 120.978 C4 C5 H7 127.187
C5 C4 H6 127.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.149      
2 N -0.182      
3 N -0.182      
4 C 0.026      
5 C 0.026      
6 H 0.230      
7 H 0.230      


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 -3.502 3.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.488 0.000 0.000
y 0.000 -29.730 0.000
z 0.000 0.000 -25.433
Traceless
 xyz
x -0.906 0.000 0.000
y 0.000 -2.769 0.000
z 0.000 0.000 3.676
Polar
3z2-r27.351
x2-y21.242
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.703 0.000 0.000
y 0.000 5.593 0.000
z 0.000 0.000 5.583


<r2> (average value of r2) Å2
<r2> 77.230
(<r2>)1/2 8.788