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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CID/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 CID/6-311+G(3df,2p)
 hartrees
Energy at 0K-261.427245
Energy at 298.15K 
HF Energy-260.638313
Nuclear repulsion energy166.567533
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 CID/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 3408 3149 0.97      
2 A1 1571 1451 14.10      
3 A1 1436 1327 4.39      
4 A1 1137 1051 40.92      
5 A1 1104 1020 0.64      
6 A1 988 913 22.13      
7 A2 988 913 0.00      
8 A2 694 641 0.00      
9 B1 933 862 37.19      
10 B1 693 640 1.85      
11 B2 3394 3136 0.31      
12 B2 1713 1583 0.01      
13 B2 1290 1192 2.67      
14 B2 1097 1014 0.86      
15 B2 1019 941 24.08      

Unscaled Zero Point Vibrational Energy (zpe) 10732.4 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 9916.7 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 CID/6-311+G(3df,2p)
ABC
0.36241 0.33730 0.17470

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.102
N2 0.000 1.102 0.354
N3 0.000 -1.102 0.354
C4 0.000 0.708 -0.868
C5 0.000 -0.708 -0.868
H6 0.000 1.403 -1.678
H7 0.000 -1.403 -1.678

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.33181.33182.09302.09303.11403.1140
N21.33182.20341.28342.18302.05393.2252
N31.33182.20342.18301.28343.22522.0539
C42.09301.28342.18301.41531.06782.2610
C52.09302.18301.28341.41532.26101.0678
H63.11402.05393.22521.06782.26102.8064
H73.11403.22522.05392.26101.06782.8064

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 106.303 O1 N3 C5 106.303
N2 O1 N3 111.633 N2 C4 C5 107.880
N2 C4 H6 121.475 N3 C5 C4 107.880
N3 C5 H7 121.475 C4 C5 H7 130.645
C5 C4 H6 130.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability