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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-311+G(3df,2p)
 hartrees
Energy at 0K-261.583754
Energy at 298.15K 
HF Energy-260.635805
Nuclear repulsion energy164.844340
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 MP3/6-311+G(3df,2p)
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 3335 3335 1.07      
2 A1 1508 1508 16.44      
3 A1 1381 1381 2.79      
4 A1 1085 1085 27.18      
5 A1 1072 1072 3.62      
6 A1 946 946 21.18      
7 A2 928 928 0.00      
8 A2 665 665 0.00      
9 B1 885 885 37.54      
10 B1 661 661 1.35      
11 B2 3321 3321 0.34      
12 B2 1635 1635 0.06      
13 B2 1241 1241 3.06      
14 B2 1033 1033 1.05      
15 B2 987 987 19.58      

Unscaled Zero Point Vibrational Energy (zpe) 10340.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10340.9 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 MP3/6-311+G(3df,2p)
ABC
0.35510 0.33046 0.17117

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.114
N2 0.000 1.116 0.356
N3 0.000 -1.116 0.356
C4 0.000 0.711 -0.877
C5 0.000 -0.711 -0.877
H6 0.000 1.410 -1.691
H7 0.000 -1.410 -1.691

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.34921.34922.11412.11413.14043.1404
N21.34922.23211.29802.20382.06883.2521
N31.34922.23212.20381.29803.25212.0688
C42.11411.29802.20381.42121.07402.2721
C52.11412.20381.29801.42122.27211.0740
H63.14042.06883.25211.07402.27212.8208
H73.14043.25212.06882.27211.07402.8208

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.985 O1 N3 C5 105.985
N2 O1 N3 111.623 N2 C4 C5 108.204
N2 C4 H6 121.134 N3 C5 C4 108.204
N3 C5 H7 121.134 C4 C5 H7 130.662
C5 C4 H6 130.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability