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All results from a given calculation for C3H3NO (Isoxazole)

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 CS 1A'
Energy calculated at B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-245.957679
Energy at 298.15K 
HF Energy-245.635306
Nuclear repulsion energy162.347559
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 A' 3311 3165 0.06 119.41 0.12 0.22
2 A' 3286 3141 0.10 52.84 0.63 0.77
3 A' 3268 3123 0.81 89.12 0.38 0.55
4 A' 1595 1525 8.54 2.79 0.06 0.11
5 A' 1464 1399 30.55 28.38 0.28 0.44
6 A' 1408 1346 5.46 2.68 0.09 0.16
7 A' 1251 1196 5.07 12.80 0.13 0.23
8 A' 1161 1110 22.28 3.45 0.49 0.66
9 A' 1129 1079 7.02 10.74 0.11 0.19
10 A' 1052 1005 6.73 2.91 0.65 0.79
11 A' 936 894 9.95 3.92 0.58 0.73
12 A' 919 878 1.18 1.05 0.55 0.71
13 A' 876 837 22.39 6.00 0.17 0.29
14 A" 925 884 4.97 0.80 0.75 0.86
15 A" 885 846 0.31 0.11 0.75 0.86
16 A" 793 758 59.58 0.16 0.75 0.86
17 A" 652 623 2.86 0.19 0.75 0.86
18 A" 614 587 12.65 0.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12762.1 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 12198.0 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
0.32877 0.32203 0.16268

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.123 0.366 0.000
C2 0.618 -0.958 0.000
C3 0.000 1.124 0.000
N4 -0.690 -0.992 0.000
O5 -1.092 0.345 0.000
H6 2.143 0.693 0.000
H7 1.160 -1.886 0.000
H8 -0.177 2.182 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41671.35462.26522.21511.07172.25242.2339
C21.41672.17091.30872.14932.24791.07523.2390
C31.35462.17092.22501.34132.18623.22551.0735
N42.26521.30872.22501.39533.29692.05533.2151
O52.21512.14931.34131.39533.25423.16992.0526
H61.07172.24792.18623.29693.25422.76042.7576
H72.25241.07523.22552.05533.16992.76044.2826
H82.23393.23901.07353.21512.05262.75764.2826

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.378 C1 C2 H7 128.826
C1 C3 O5 110.498 C1 C3 H8 133.521
C2 C1 C3 103.115 C2 C1 H6 128.668
C2 N4 O5 105.239 C3 C1 H6 128.217
C3 O5 N4 108.770 N4 C2 H7 118.796
O5 C3 H8 115.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability