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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CCSD=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-261.693780
Energy at 298.15K 
HF Energy-260.648478
Nuclear repulsion energy164.501263
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/Def2TZVPP
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 3319 3319 0.62      
2 A1 1504 1504 15.33      
3 A1 1376 1376 4.40      
4 A1 1073 1073 4.53      
5 A1 1058 1058 19.18      
6 A1 926 926 23.25      
7 A2 937 937 0.00      
8 A2 665 665 0.00      
9 B1 894 894 37.85      
10 B1 656 656 1.67      
11 B2 3304 3304 0.17      
12 B2 1627 1627 0.09      
13 B2 1233 1233 3.29      
14 B2 978 978 21.28      
15 B2 966 966 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 10258.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10258.2 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/Def2TZVPP
ABC
0.35451 0.32835 0.17047

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.119
N2 0.000 1.122 0.353
N3 0.000 -1.122 0.353
C4 0.000 0.711 -0.876
C5 0.000 -0.711 -0.876
H6 0.000 1.404 -1.693
H7 0.000 -1.404 -1.693

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35851.35852.11792.11793.14373.1437
N21.35852.24331.29552.20632.06563.2507
N31.35852.24332.20631.29553.25072.0656
C42.11791.29552.20631.42181.07202.2677
C52.11792.20631.29551.42182.26771.0720
H63.14372.06563.25071.07202.26772.8085
H73.14373.25072.06562.26771.07202.8085

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.859 O1 N3 C5 105.859
N2 O1 N3 111.310 N2 C4 C5 108.486
N2 C4 H6 121.213 N3 C5 C4 108.486
N3 C5 H7 121.213 C4 C5 H7 130.301
C5 C4 H6 130.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability