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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-261.972795
Energy at 298.15K 
HF Energy-261.633725
Nuclear repulsion energy163.742091
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 B2PLYP=FULL/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 3302 3156 0.53 99.14 0.10 0.19
2 A1 1445 1382 18.51 14.37 0.40 0.57
3 A1 1341 1281 1.90 19.43 0.06 0.11
4 A1 1071 1023 0.79 4.87 0.30 0.46
5 A1 1032 987 14.01 6.17 0.22 0.36
6 A1 899 859 20.22 7.23 0.12 0.22
7 A2 924 883 0.00 0.52 0.75 0.86
8 A2 663 634 0.00 0.14 0.75 0.86
9 B1 871 832 38.84 0.05 0.75 0.86
10 B1 657 628 1.90 0.27 0.75 0.86
11 B2 3288 3142 0.24 55.12 0.75 0.86
12 B2 1563 1494 0.16 0.00 0.75 0.86
13 B2 1205 1152 4.98 0.54 0.75 0.86
14 B2 970 927 21.04 4.14 0.75 0.86
15 B2 852 815 3.01 0.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10040.8 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 9597.0 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 B2PLYP=FULL/cc-pVTZ
ABC
0.35091 0.32603 0.16901

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.126
N2 0.000 1.131 0.354
N3 0.000 -1.131 0.354
C4 0.000 0.706 -0.880
C5 0.000 -0.706 -0.880
H6 0.000 1.398 -1.701
H7 0.000 -1.398 -1.701

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36861.36862.12652.12653.15323.1532
N21.36862.26111.30522.21312.07243.2582
N31.36862.26112.21311.30523.25822.0724
C42.12651.30522.21311.41261.07322.2585
C52.12652.21311.30521.41262.25851.0732
H63.15322.07243.25821.07322.25852.7955
H73.15323.25822.07242.25851.07322.7955

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.339 O1 N3 C5 105.339
N2 O1 N3 111.389 N2 C4 C5 108.966
N2 C4 H6 120.922 N3 C5 C4 108.966
N3 C5 H7 120.922 C4 C5 H7 130.112
C5 C4 H6 130.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability