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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-261.345301
Energy at 298.15K 
HF Energy-260.553032
Nuclear repulsion energy163.327093
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 CCD/6-31+G**
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 3365 3171 0.59      
2 A1 1515 1427 17.82      
3 A1 1383 1303 2.47      
4 A1 1088 1025 0.72      
5 A1 1051 991 25.20      
6 A1 925 871 24.37      
7 A2 866 816 0.00      
8 A2 638 601 0.00      
9 B1 866 816 43.43      
10 B1 635 599 0.80      
11 B2 3352 3158 0.12      
12 B2 1639 1544 0.05      
13 B2 1247 1175 4.47      
14 B2 1008 950 3.52      
15 B2 974 918 12.51      

Unscaled Zero Point Vibrational Energy (zpe) 10275.8 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 9682.9 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 CCD/6-31+G**
ABC
0.34953 0.32376 0.16808

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.127
N2 0.000 1.132 0.356
N3 0.000 -1.132 0.356
C4 0.000 0.713 -0.882
C5 0.000 -0.713 -0.882
H6 0.000 1.407 -1.704
H7 0.000 -1.407 -1.704

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36961.36962.13192.13193.16113.1611
N21.36962.26391.30722.22162.07783.2695
N31.36962.26392.22161.30723.26952.0778
C42.13191.30722.22161.42531.07572.2736
C52.13192.22161.30721.42532.27361.0757
H63.16112.07783.26951.07572.27362.8148
H73.16113.26952.07782.27361.07572.8148

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.552 O1 N3 C5 105.552
N2 O1 N3 111.478 N2 C4 C5 108.709
N2 C4 H6 121.062 N3 C5 C4 108.709
N3 C5 H7 121.062 C4 C5 H7 130.229
C5 C4 H6 130.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability