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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: BLYP/daug-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 BLYP/daug-cc-pVDZ
 hartrees
Energy at 0K-262.040031
Energy at 298.15K 
HF Energy-262.040031
Nuclear repulsion energy160.809946
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/daug-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 3191 3191 0.23 121.94 0.09 0.16
2 A1 1386 1386 15.44 16.19 0.31 0.47
3 A1 1281 1281 2.42 27.46 0.03 0.06
4 A1 1021 1021 1.31 6.03 0.22 0.35
5 A1 973 973 10.27 6.60 0.11 0.19
6 A1 832 832 21.09 9.70 0.10 0.18
7 A2 866 866 0.00 0.07 0.75 0.86
8 A2 631 631 0.00 0.13 0.75 0.86
9 B1 817 817 40.86 0.00 0.75 0.86
10 B1 619 619 1.73 0.21 0.75 0.86
11 B2 3179 3179 0.07 67.71 0.75 0.86
12 B2 1498 1498 0.00 0.02 0.75 0.86
13 B2 1144 1144 4.98 0.64 0.75 0.86
14 B2 928 928 19.31 2.40 0.75 0.86
15 B2 700 700 4.42 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9531.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9531.8 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/daug-cc-pVDZ
ABC
0.34039 0.31289 0.16303

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.148
N2 0.000 1.157 0.355
N3 0.000 -1.157 0.355
C4 0.000 0.717 -0.891
C5 0.000 -0.717 -0.891
H6 0.000 1.415 -1.730
H7 0.000 -1.415 -1.730

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.40261.40262.16122.16123.20653.2065
N21.40262.31461.32192.25072.10073.3112
N31.40262.31462.25071.32193.31122.1007
C42.16121.32192.25071.43361.09122.2910
C52.16122.25071.32191.43362.29101.0912
H63.20652.10073.31121.09122.29102.8305
H73.20653.31122.10072.29101.09122.8305

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.939 O1 N3 C5 104.939
N2 O1 N3 111.195 N2 C4 C5 109.464
N2 C4 H6 120.740 N3 C5 C4 109.464
N3 C5 H7 120.740 C4 C5 H7 129.796
C5 C4 H6 129.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.156      
2 N 0.055      
3 N 0.055      
4 C 1.157      
5 C 1.157      
6 H -1.134      
7 H -1.134      


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 -3.390 3.390
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.999 0.000 0.000
y 0.000 -30.626 0.000
z 0.000 0.000 -25.859
Traceless
 xyz
x -0.756 0.000 0.000
y 0.000 -3.197 0.000
z 0.000 0.000 3.953
Polar
3z2-r27.906
x2-y21.627
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.172 0.000 0.000
y 0.000 7.364 0.000
z 0.000 0.000 7.100


<r2> (average value of r2) Å2
<r2> 74.537
(<r2>)1/2 8.633