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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP3=FULL/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 MP3=FULL/6-311G*
 hartrees
Energy at 0K-261.503251
Energy at 298.15K 
HF Energy-260.601115
Nuclear repulsion energy164.409832
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 MP3=FULL/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 3333 3333 0.43      
2 A1 1512 1512 15.45      
3 A1 1385 1385 3.64      
4 A1 1088 1088 23.94      
5 A1 1073 1073 3.99      
6 A1 948 948 25.84      
7 A2 874 874 0.00      
8 A2 657 657 0.00      
9 B1 866 866 43.66      
10 B1 657 657 0.56      
11 B2 3319 3319 0.10      
12 B2 1637 1637 0.28      
13 B2 1235 1235 4.93      
14 B2 1034 1034 2.34      
15 B2 991 991 18.08      

Unscaled Zero Point Vibrational Energy (zpe) 10303.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10303.6 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 MP3=FULL/6-311G*
ABC
0.35361 0.32837 0.17026

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.115
N2 0.000 1.119 0.358
N3 0.000 -1.119 0.358
C4 0.000 0.713 -0.879
C5 0.000 -0.713 -0.879
H6 0.000 1.416 -1.697
H7 0.000 -1.416 -1.697

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35131.35132.11782.11783.14833.1483
N21.35132.23901.30242.21102.07633.2636
N31.35132.23902.21101.30243.26362.0763
C42.11781.30242.21101.42591.07842.2805
C52.11782.21101.30241.42592.28051.0784
H63.14832.07633.26361.07842.28052.8317
H73.14833.26362.07632.28051.07842.8317

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.875 O1 N3 C5 105.875
N2 O1 N3 111.873 N2 C4 C5 108.189
N2 C4 H6 121.130 N3 C5 C4 108.189
N3 C5 H7 121.130 C4 C5 H7 130.681
C5 C4 H6 130.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability