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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP3/TZVP

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/TZVP
 hartrees
Energy at 0K-261.443971
Energy at 298.15K 
HF Energy-260.626094
Nuclear repulsion energy164.305263
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3357 3140 0.79      
2 A1 1508 1411 16.75      
3 A1 1386 1296 2.92      
4 A1 1084 1014 3.73      
5 A1 1069 1000 23.90      
6 A1 932 872 27.88      
7 A2 782 731 0.00      
8 A2 597 558 0.00      
9 B1 851 796 40.59      
10 B1 632 591 0.62      
11 B2 3343 3127 0.12      
12 B2 1637 1531 0.14      
13 B2 1250 1169 4.26      
14 B2 1011 945 3.43      
15 B2 980 916 13.87      

Unscaled Zero Point Vibrational Energy (zpe) 10209.1 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 9547.5 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/TZVP
ABC
0.35374 0.32757 0.17008

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.119
N2 0.000 1.124 0.355
N3 0.000 -1.124 0.355
C4 0.000 0.711 -0.877
C5 0.000 -0.711 -0.877
H6 0.000 1.405 -1.696
H7 0.000 -1.405 -1.696

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35901.35902.11902.11903.14643.1464
N21.35902.24721.29912.20952.06993.2558
N31.35902.24722.20951.29913.25582.0699
C42.11901.29912.20951.42161.07382.2690
C52.11902.20951.29911.42162.26901.0738
H63.14642.06993.25581.07382.26902.8107
H73.14643.25582.06992.26901.07382.8107

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.704 O1 N3 C5 105.704
N2 O1 N3 111.534 N2 C4 C5 108.529
N2 C4 H6 121.166 N3 C5 C4 108.529
N3 C5 H7 121.166 C4 C5 H7 130.305
C5 C4 H6 130.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability