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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-260.958127
Energy at 298.15K 
HF Energy-260.377992
Nuclear repulsion energy156.721956
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 MP2=FULL/6-31G
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 3326 3160 2.94 94.52 0.10 0.18
2 A1 1367 1299 34.88 11.25 0.75 0.86
3 A1 1189 1130 5.81 18.71 0.15 0.26
4 A1 1090 1035 0.07 5.31 0.37 0.54
5 A1 919 873 1.38 3.19 0.75 0.86
6 A1 757 719 13.38 7.53 0.14 0.25
7 A2 827 786 0.00 1.61 0.75 0.86
8 A2 624 593 0.00 0.41 0.75 0.86
9 B1 835 794 53.27 1.26 0.75 0.86
10 B1 593 564 1.25 0.24 0.75 0.86
11 B2 3308 3143 0.53 52.63 0.75 0.86
12 B2 1438 1366 9.59 0.66 0.75 0.86
13 B2 1176 1117 5.04 0.00 0.75 0.86
14 B2 954 906 9.35 5.12 0.75 0.86
15 B2 670 637 0.23 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9536.4 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 9060.5 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 MP2=FULL/6-31G
ABC
0.32321 0.29736 0.15487

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.193
N2 0.000 1.203 0.350
N3 0.000 -1.203 0.350
C4 0.000 0.714 -0.911
C5 0.000 -0.714 -0.911
H6 0.000 1.394 -1.752
H7 0.000 -1.394 -1.752

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.46961.46962.22252.22253.25873.2587
N21.46962.40661.35292.29462.11043.3412
N31.46962.40662.29461.35293.34122.1104
C42.22251.35292.29461.42721.08152.2691
C52.22252.29461.35291.42722.26911.0815
H63.25872.11043.34121.08152.26912.7881
H73.25873.34122.11042.26911.08152.7881

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 103.814 O1 N3 C5 103.814
N2 O1 N3 109.930 N2 C4 C5 111.221
N2 C4 H6 119.792 N3 C5 C4 111.221
N3 C5 H7 119.792 C4 C5 H7 128.987
C5 C4 H6 128.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability