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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-261.356450
Energy at 298.15K 
HF Energy-260.564921
Nuclear repulsion energy163.604198
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 MP3=FULL/cc-pVDZ
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 3351 3151 1.15      
2 A1 1514 1424 15.06      
3 A1 1377 1295 3.03      
4 A1 1077 1013 15.13      
5 A1 1063 1000 9.23      
6 A1 937 881 24.11      
7 A2 906 852 0.00      
8 A2 657 618 0.00      
9 B1 874 822 34.66      
10 B1 656 617 0.67      
11 B2 3336 3137 0.14      
12 B2 1633 1536 0.13      
13 B2 1223 1150 3.87      
14 B2 1012 952 2.81      
15 B2 983 925 18.33      

Unscaled Zero Point Vibrational Energy (zpe) 10300.9 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 9685.9 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 MP3=FULL/cc-pVDZ
ABC
0.35010 0.32527 0.16861

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.120
N2 0.000 1.125 0.361
N3 0.000 -1.125 0.361
C4 0.000 0.716 -0.883
C5 0.000 -0.716 -0.883
H6 0.000 1.423 -1.708
H7 0.000 -1.423 -1.708

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35681.35682.12702.12703.16553.1655
N21.35682.25021.31032.22212.09073.2824
N31.35682.25022.22211.31033.28242.0907
C42.12701.31032.22211.43141.08642.2920
C52.12702.22211.31031.43142.29201.0864
H63.16552.09073.28241.08642.29202.8456
H73.16553.28242.09072.29201.08642.8456

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.770 O1 N3 C5 105.770
N2 O1 N3 112.044 N2 C4 C5 108.208
N2 C4 H6 121.186 N3 C5 C4 108.208
N3 C5 H7 121.186 C4 C5 H7 130.606
C5 C4 H6 130.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability