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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=FULL/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-261.412284
Energy at 298.15K 
HF Energy-260.575313
Nuclear repulsion energy162.035445
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/aug-cc-pVDZ
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 3226 1.40 108.29 0.08 0.14
2 A1 1425 1382 27.83 6.48 0.74 0.85
3 A1 1273 1234 1.76 28.96 0.03 0.05
4 A1 1080 1047 0.81 6.61 0.28 0.44
5 A1 1022 991 15.43 10.06 0.09 0.17
6 A1 898 871 11.96 5.38 0.08 0.16
7 A2 851 824 0.00 0.05 0.75 0.86
8 A2 638 619 0.00 0.36 0.75 0.86
9 B1 836 810 43.71 0.03 0.75 0.86
10 B1 657 637 1.65 0.07 0.75 0.86
11 B2 3312 3210 1.25 52.60 0.75 0.86
12 B2 1481 1435 0.17 0.78 0.75 0.86
13 B2 1165 1129 5.64 0.00 0.75 0.86
14 B2 959 930 14.21 1.96 0.75 0.86
15 B2 907 879 0.49 0.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9916.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 9611.2 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 MP2=FULL/aug-cc-pVDZ
ABC
0.34162 0.32136 0.16559

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.132
N2 0.000 1.141 0.367
N3 0.000 -1.141 0.367
C4 0.000 0.706 -0.897
C5 0.000 -0.706 -0.897
H6 0.000 1.417 -1.718
H7 0.000 -1.417 -1.718

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37321.37322.14782.14783.18233.1823
N21.37322.28161.33682.23802.10333.3000
N31.37322.28162.23801.33683.30002.1033
C42.14781.33682.23801.41191.08612.2761
C52.14782.23801.33681.41192.27611.0861
H63.18232.10333.30001.08612.27612.8340
H73.18233.30002.10332.27611.08612.8340

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.838 O1 N3 C5 104.838
N2 O1 N3 112.355 N2 C4 C5 108.985
N2 C4 H6 120.118 N3 C5 C4 108.985
N3 C5 H7 120.118 C4 C5 H7 130.897
C5 C4 H6 130.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability