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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP3=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-261.348519
Energy at 298.15K 
HF Energy-260.546980
Nuclear repulsion energy163.765178
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/6-31G**
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 3394 3394 0.56      
2 A1 1535 1535 14.04      
3 A1 1396 1396 3.01      
4 A1 1097 1097 0.85      
5 A1 1063 1063 23.43      
6 A1 940 940 22.53      
7 A2 891 891 0.00      
8 A2 654 654 0.00      
9 B1 880 880 34.84      
10 B1 650 650 0.63      
11 B2 3380 3380 0.00      
12 B2 1658 1658 0.42      
13 B2 1258 1258 4.06      
14 B2 1021 1021 3.65      
15 B2 988 988 15.80      

Unscaled Zero Point Vibrational Energy (zpe) 10401.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10401.9 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 MP3=FULL/6-31G**
ABC
0.35128 0.32560 0.16898

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.123
N2 0.000 1.129 0.356
N3 0.000 -1.129 0.356
C4 0.000 0.711 -0.880
C5 0.000 -0.711 -0.880
H6 0.000 1.403 -1.700
H7 0.000 -1.403 -1.700

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36511.36512.12612.12613.15303.1530
N21.36512.25731.30452.21622.07413.2610
N31.36512.25732.21621.30453.26102.0741
C42.12611.30452.21621.42201.07282.2672
C52.12612.21621.30451.42202.26721.0728
H63.15302.07413.26101.07282.26722.8052
H73.15303.26102.07412.26721.07282.8052

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.557 O1 N3 C5 105.557
N2 O1 N3 111.540 N2 C4 C5 108.673
N2 C4 H6 121.188 N3 C5 C4 108.673
N3 C5 H7 121.188 C4 C5 H7 130.139
C5 C4 H6 130.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability