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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B1B95/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-262.050227
Energy at 298.15K 
HF Energy-262.050227
Nuclear repulsion energy165.217563
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 B1B95/aug-cc-pVTZ
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 3299 3162 0.46 104.85 0.08 0.15
2 A1 1486 1424 12.63 21.02 0.20 0.33
3 A1 1370 1313 4.08 22.94 0.04 0.08
4 A1 1074 1029 15.10 3.02 0.70 0.82
5 A1 1066 1022 11.69 10.69 0.06 0.11
6 A1 931 892 18.82 4.00 0.10 0.19
7 A2 929 891 0.00 0.07 0.75 0.86
8 A2 668 640 0.00 0.10 0.75 0.86
9 B1 876 840 39.19 0.04 0.75 0.86
10 B1 667 640 1.64 0.30 0.75 0.86
11 B2 3285 3148 0.20 55.97 0.75 0.86
12 B2 1615 1548 0.00 0.07 0.75 0.86
13 B2 1209 1159 3.68 0.56 0.75 0.86
14 B2 975 934 17.31 2.75 0.75 0.86
15 B2 937 898 7.46 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10192.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 9769.3 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 B1B95/aug-cc-pVTZ
ABC
0.35690 0.33207 0.17202

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.112
N2 0.000 1.116 0.355
N3 0.000 -1.116 0.355
C4 0.000 0.705 -0.874
C5 0.000 -0.705 -0.874
H6 0.000 1.402 -1.691
H7 0.000 -1.402 -1.691

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.34871.34872.10752.10753.13463.1346
N21.34872.23141.29492.19662.06583.2441
N31.34872.23142.19661.29493.24412.0658
C42.10751.29492.19661.41091.07412.2604
C52.10752.19661.29491.41092.26041.0741
H63.13462.06583.24411.07412.26042.8039
H73.13463.24412.06582.26041.07412.8039

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.712 O1 N3 C5 105.712
N2 O1 N3 111.634 N2 C4 C5 108.471
N2 C4 H6 121.105 N3 C5 C4 108.471
N3 C5 H7 121.105 C4 C5 H7 130.424
C5 C4 H6 130.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.067      
2 N -0.397      
3 N -0.397      
4 C -0.200      
5 C -0.200      
6 H 0.630      
7 H 0.630      


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 -3.299 3.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.351 0.000 0.000
y 0.000 -29.922 0.000
z 0.000 0.000 -25.188
Traceless
 xyz
x -0.797 0.000 0.000
y 0.000 -3.152 0.000
z 0.000 0.000 3.949
Polar
3z2-r27.898
x2-y21.571
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.884 0.000 0.000
y 0.000 6.611 0.000
z 0.000 0.000 6.513


<r2> (average value of r2) Å2
<r2> 71.243
(<r2>)1/2 8.441