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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-261.368524
Energy at 298.15K 
HF Energy-260.535230
Nuclear repulsion energy161.556574
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 MP4/6-31G*
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 3290 3141        
2 A1 1444 1379        
3 A1 1323 1263        
4 A1 1080 1031        
5 A1 997 952        
6 A1 875 835        
7 A2 821 784        
8 A2 626 598        
9 B1 828 791        
10 B1 634 606        
11 B2 3276 3128        
12 B2 1541 1471        
13 B2 1198 1143        
14 B2 952 909        
15 B2 840 802        

Unscaled Zero Point Vibrational Energy (zpe) 9862.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9416.8 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 MP4/6-31G*
ABC
0.34253 0.31681 0.16459

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.141
N2 0.000 1.151 0.357
N3 0.000 -1.151 0.357
C4 0.000 0.710 -0.890
C5 0.000 -0.710 -0.890
H6 0.000 1.408 -1.721
H7 0.000 -1.408 -1.721

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.39221.39222.15182.15183.18903.1890
N21.39222.30181.32322.24092.09383.2965
N31.39222.30182.24091.32323.29652.0938
C42.15181.32322.24091.42101.08442.2756
C52.15182.24091.32321.42102.27561.0844
H63.18902.09383.29651.08442.27562.8165
H73.18903.29652.09382.27561.08442.8165

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.798 O1 N3 C5 104.798
N2 O1 N3 111.521 N2 C4 C5 109.442
N2 C4 H6 120.512 N3 C5 C4 109.442
N3 C5 H7 120.512 C4 C5 H7 130.047
C5 C4 H6 130.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability