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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP4/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/6-311+G(3df,2p)
 hartrees
Energy at 0K-261.655545
Energy at 298.15K 
HF Energy-260.628536
Nuclear repulsion energy162.668199
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 MP4/6-311+G(3df,2p)
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 3277 3093        
2 A1 1416 1337        
3 A1 1305 1232        
4 A1 1059 1000        
5 A1 1008 952        
6 A1 877 828        
7 A2 884 834        
8 A2 640 604        
9 B1 842 795        
10 B1 644 608        
11 B2 3262 3078        
12 B2 1515 1430        
13 B2 1180 1114        
14 B2 946 893        
15 B2 853 805        

Unscaled Zero Point Vibrational Energy (zpe) 9853.5 cm-1
Scaled (by 0.9438) Zero Point Vibrational Energy (zpe) 9299.8 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 MP4/6-311+G(3df,2p)
ABC
0.34629 0.32190 0.16682

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.132
N2 0.000 1.139 0.358
N3 0.000 -1.139 0.358
C4 0.000 0.709 -0.887
C5 0.000 -0.709 -0.887
H6 0.000 1.408 -1.708
H7 0.000 -1.408 -1.708

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37681.37682.13952.13953.16993.1699
N21.37682.27771.31742.22792.08393.2798
N31.37682.27772.22791.31743.27982.0839
C42.13951.31742.22791.41711.07882.2704
C52.13952.22791.31741.41712.27041.0788
H63.16992.08393.27981.07882.27042.8162
H73.16993.27982.08392.27041.07882.8162

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.123 O1 N3 C5 105.123
N2 O1 N3 111.625 N2 C4 C5 109.065
N2 C4 H6 120.509 N3 C5 C4 109.065
N3 C5 H7 120.509 C4 C5 H7 130.426
C5 C4 H6 130.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability