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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-260.938729
Energy at 298.15K 
HF Energy-260.389293
Nuclear repulsion energy158.697425
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
4/u)
Dep P Dep U
1 A1 3329 3329 2.58      
2 A1 1465 1465 12.48      
3 A1 1336 1336 7.07      
4 A1 1065 1065 0.01      
5 A1 958 958 1.33      
6 A1 787 787 24.02      
7 A2 848 848 0.00      
8 A2 634 634 0.00      
9 B1 858 858 47.07      
10 B1 584 584 0.59      
11 B2 3314 3314 0.01      
12 B2 1594 1594 5.16      
13 B2 1240 1240 8.58      
14 B2 980 980 11.04      
15 B2 768 768 2.14      

Unscaled Zero Point Vibrational Energy (zpe) 9878.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9878.2 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
0.33293 0.30296 0.15862

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 1.177
N2 0.000 1.181 0.344
N3 0.000 -1.181 0.344
C4 0.000 0.725 -0.895
C5 0.000 -0.725 -0.895
H6 0.000 1.400 -1.740
H7 0.000 -1.400 -1.740

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.44571.44572.19552.19553.23503.2350
N21.44572.36261.32042.27352.09453.3169
N31.44572.36262.27351.32043.31692.0945
C42.19551.32042.27351.44971.08082.2862
C52.19552.27351.32041.44972.28621.0808
H63.23502.09453.31691.08082.28622.7997
H73.23503.31692.09452.28621.08082.7997

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.978 O1 N3 C5 104.978
N2 O1 N3 109.596 N2 C4 C5 110.223
N2 C4 H6 121.130 N3 C5 C4 110.223
N3 C5 H7 121.130 C4 C5 H7 128.647
C5 C4 H6 128.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability