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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=FULL/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-261.702129
Energy at 298.15K 
HF Energy-260.638143
Nuclear repulsion energy164.098847
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 MP2=FULL/daug-cc-pVTZ
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 3324 3324 1.81 103.48 0.07 0.14
2 A1 1438 1438 26.16 6.38 0.74 0.85
3 A1 1299 1299 0.90 28.63 0.03 0.05
4 A1 1090 1090 0.37 6.43 0.23 0.37
5 A1 1047 1047 17.65 10.16 0.09 0.17
6 A1 916 916 11.67 4.36 0.08 0.15
7 A2 926 926 0.00 0.05 0.75 0.86
8 A2 660 660 0.00 0.29 0.75 0.86
9 B1 882 882 40.27 0.04 0.75 0.86
10 B1 673 673 2.50 0.09 0.75 0.86
11 B2 3301 3301 1.63 49.33 0.75 0.86
12 B2 1508 1508 0.12 0.63 0.75 0.86
13 B2 1186 1186 5.39 0.01 0.75 0.86
14 B2 972 972 15.51 1.59 0.75 0.86
15 B2 937 937 0.43 0.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10078.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10078.5 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 MP2=FULL/daug-cc-pVTZ
ABC
0.35007 0.32984 0.16983

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.119
N2 0.000 1.126 0.362
N3 0.000 -1.126 0.362
C4 0.000 0.698 -0.885
C5 0.000 -0.698 -0.885
H6 0.000 1.398 -1.696
H7 0.000 -1.398 -1.696

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35701.35702.12282.12283.14363.1436
N21.35702.25121.31832.20892.07563.2564
N31.35702.25122.20891.31833.25642.0756
C42.12281.31832.20891.39551.07152.2475
C52.12282.20891.31831.39552.24751.0715
H63.14362.07563.25641.07152.24752.7968
H73.14363.25642.07562.24751.07152.7968

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.017 O1 N3 C5 105.017
N2 O1 N3 112.092 N2 C4 C5 108.937
N2 C4 H6 120.227 N3 C5 C4 108.937
N3 C5 H7 120.227 C4 C5 H7 130.837
C5 C4 H6 130.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability