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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CCSD(T)/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/6-311G**
 hartrees
Energy at 0K-261.474602
Energy at 298.15K 
HF Energy-260.600224
Nuclear repulsion energy162.735579
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 CCSD(T)/6-311G**
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 3287 3171        
2 A1 1450 1399        
3 A1 1334 1287        
4 A1 1056 1019        
5 A1 1025 988        
6 A1 893 862        
7 A2 852 821        
8 A2 630 608        
9 B1 841 811        
10 B1 633 611        
11 B2 3272 3157        
12 B2 1563 1508        
13 B2 1194 1151        
14 B2 957 923        
15 B2 885 854        

Unscaled Zero Point Vibrational Energy (zpe) 9934.7 cm-1
Scaled (by 0.9647) Zero Point Vibrational Energy (zpe) 9584.0 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 CCSD(T)/6-311G**
ABC
0.34731 0.32119 0.16687

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.129
N2 0.000 1.137 0.359
N3 0.000 -1.137 0.359
C4 0.000 0.715 -0.886
C5 0.000 -0.715 -0.886
H6 0.000 1.416 -1.710
H7 0.000 -1.416 -1.710

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37281.37282.13762.13763.17203.1720
N21.37282.27301.31382.23092.08723.2851
N31.37282.27302.23091.31383.28512.0872
C42.13761.31382.23091.43011.08172.2845
C52.13762.23091.31381.43012.28451.0817
H63.17202.08723.28511.08172.28452.8313
H73.17203.28512.08722.28451.08172.8313

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.409 O1 N3 C5 105.409
N2 O1 N3 111.758 N2 C4 C5 108.712
N2 C4 H6 120.920 N3 C5 C4 108.712
N3 C5 H7 120.920 C4 C5 H7 130.368
C5 C4 H6 130.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability