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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-261.433011
Energy at 298.15K 
HF Energy-260.603621
Nuclear repulsion energy163.729091
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 CCSD/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3310 3310 0.38      
2 A1 1496 1496 14.19      
3 A1 1368 1368 4.67      
4 A1 1068 1068 7.66      
5 A1 1052 1052 13.99      
6 A1 922 922 25.10      
7 A2 887 887 0.00      
8 A2 647 647 0.00      
9 B1 867 867 37.12      
10 B1 646 646 0.77      
11 B2 3296 3296 0.06      
12 B2 1619 1619 0.15      
13 B2 1220 1220 3.79      
14 B2 975 975 20.30      
15 B2 962 962 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10167.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10167.5 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 CCSD/6-311G**
ABC
0.35145 0.32502 0.16886

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.122
N2 0.000 1.127 0.357
N3 0.000 -1.127 0.357
C4 0.000 0.715 -0.880
C5 0.000 -0.715 -0.880
H6 0.000 1.415 -1.703
H7 0.000 -1.415 -1.703

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36161.36162.12582.12583.15883.1588
N21.36162.25331.30382.21892.07963.2714
N31.36162.25332.21891.30383.27142.0796
C42.12581.30382.21891.43061.07982.2836
C52.12582.21891.30381.43062.28361.0798
H63.15882.07963.27141.07982.28362.8302
H73.15883.27142.07962.28361.07982.8302

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.771 O1 N3 C5 105.771
N2 O1 N3 111.675 N2 C4 C5 108.391
N2 C4 H6 121.211 N3 C5 C4 108.391
N3 C5 H7 121.211 C4 C5 H7 130.398
C5 C4 H6 130.398
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability