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All results from a given calculation for C3H3NO (Isoxazole)

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 CS 1A'
Energy calculated at MP2=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-245.693639
Energy at 298.15K 
HF Energy-244.677037
Nuclear repulsion energy162.755843
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 A' 3323 3323 0.62 125.95 0.09 0.16
2 A' 3295 3295 1.13 38.15 0.63 0.77
3 A' 3281 3281 0.14 92.73 0.37 0.54
4 A' 1582 1582 8.09 9.94 0.03 0.05
5 A' 1461 1461 25.32 19.93 0.33 0.50
6 A' 1401 1401 2.19 10.01 0.04 0.07
7 A' 1235 1235 4.76 19.24 0.03 0.07
8 A' 1175 1175 16.46 2.57 0.41 0.58
9 A' 1140 1140 5.88 13.27 0.05 0.09
10 A' 1055 1055 6.79 2.87 0.71 0.83
11 A' 952 952 26.03 6.21 0.15 0.26
12 A' 921 921 2.65 4.12 0.36 0.53
13 A' 912 912 5.92 0.39 0.06 0.11
14 A" 924 924 2.73 0.25 0.75 0.86
15 A" 874 874 7.12 0.43 0.75 0.86
16 A" 809 809 64.92 0.12 0.75 0.86
17 A" 660 660 0.82 0.20 0.75 0.86
18 A" 625 625 9.21 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12811.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12811.2 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/daug-cc-pVTZ
ABC
0.32889 0.32527 0.16354

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.122 0.360 0.000
C2 0.623 -0.954 0.000
C3 0.000 1.123 0.000
N4 -0.695 -0.980 0.000
O5 -1.089 0.339 0.000
H6 2.141 0.690 0.000
H7 1.153 -1.888 0.000
H8 -0.187 2.180 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.40551.35692.25742.21041.07132.24792.2421
C21.40552.16861.31802.14492.23811.07403.2374
C31.35692.16862.21511.34162.18413.22441.0736
N42.25741.31802.21511.37653.29132.05933.2010
O52.21042.14491.34161.37653.24843.15992.0503
H61.07132.23812.18413.29133.24842.76102.7636
H72.24791.07403.22442.05933.15992.76104.2834
H82.24213.23741.07363.20102.05032.76364.2834

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.926 C1 C2 H7 129.593
C1 C3 O5 109.995 C1 C3 H8 134.257
C2 C1 C3 103.437 C2 C1 H6 128.781
C2 N4 O5 105.483 C3 C1 H6 127.783
C3 O5 N4 109.160 N4 C2 H7 118.481
O5 C3 H8 115.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability