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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-261.343403
Energy at 298.15K 
HF Energy-260.553424
Nuclear repulsion energy163.471707
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 MP3/6-31+G**
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 3387 3152 0.90      
2 A1 1527 1421 16.85      
3 A1 1388 1292 2.55      
4 A1 1091 1015 0.88      
5 A1 1058 985 25.96      
6 A1 930 865 25.25      
7 A2 862 802 0.00      
8 A2 638 594 0.00      
9 B1 868 808 44.42      
10 B1 635 591 0.72      
11 B2 3373 3139 0.15      
12 B2 1649 1534 0.08      
13 B2 1252 1165 4.15      
14 B2 1013 942 3.85      
15 B2 981 912 13.34      

Unscaled Zero Point Vibrational Energy (zpe) 10325.3 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 9607.7 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 MP3/6-31+G**
ABC
0.35015 0.32429 0.16836

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.126
N2 0.000 1.131 0.356
N3 0.000 -1.131 0.356
C4 0.000 0.713 -0.882
C5 0.000 -0.713 -0.882
H6 0.000 1.407 -1.702
H7 0.000 -1.407 -1.702

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36791.36792.13012.13013.15783.1578
N21.36792.26141.30632.22032.07593.2667
N31.36792.26142.22031.30633.26672.0759
C42.13011.30632.22031.42531.07422.2723
C52.13012.22031.30631.42532.27231.0742
H63.15782.07593.26671.07422.27232.8132
H73.15783.26672.07592.27231.07422.8132

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.580 O1 N3 C5 105.580
N2 O1 N3 111.507 N2 C4 C5 108.666
N2 C4 H6 121.091 N3 C5 C4 108.666
N3 C5 H7 121.091 C4 C5 H7 130.243
C5 C4 H6 130.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability