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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CCSD=FULL/aug-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 CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-261.417761
Energy at 298.15K 
HF Energy-260.580832
Nuclear repulsion energy162.611921
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=FULL/aug-cc-pVDZ
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 3312 3312 0.43      
2 A1 1498 1498 17.44      
3 A1 1355 1355 4.20      
4 A1 1060 1060 2.28      
5 A1 1028 1028 17.17      
6 A1 896 896 24.58      
7 A2 869 869 0.00      
8 A2 641 641 0.00      
9 B1 859 859 38.40      
10 B1 635 635 1.28      
11 B2 3296 3296 0.09      
12 B2 1610 1610 0.04      
13 B2 1203 1203 3.21      
14 B2 963 963 20.15      
15 B2 915 915 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 10069.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10069.8 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 CCSD=FULL/aug-cc-pVDZ
ABC
0.34694 0.32049 0.16660

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.131
N2 0.000 1.136 0.357
N3 0.000 -1.136 0.357
C4 0.000 0.718 -0.885
C5 0.000 -0.718 -0.885
H6 0.000 1.422 -1.714
H7 0.000 -1.422 -1.714

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37481.37482.14042.14043.18033.1803
N21.37482.27201.31042.23182.09023.2909
N31.37482.27202.23181.31043.29092.0902
C42.14041.31042.23181.43651.08702.2949
C52.14042.23181.31041.43652.29491.0870
H63.18032.09023.29091.08702.29492.8437
H73.18033.29092.09022.29491.08702.8437

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.685 O1 N3 C5 105.685
N2 O1 N3 111.448 N2 C4 C5 108.591
N2 C4 H6 121.073 N3 C5 C4 108.591
N3 C5 H7 121.073 C4 C5 H7 130.336
C5 C4 H6 130.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability