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All results from a given calculation for C3H3NO (Isoxazole)

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 CS 1A'
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-245.408882
Energy at 298.15K 
HF Energy-244.616479
Nuclear repulsion energy160.766780
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 A' 3334 3231 0.36 140.63 0.08 0.16
2 A' 3311 3209 0.79 38.38 0.74 0.85
3 A' 3295 3193 0.25 90.08 0.40 0.57
4 A' 1563 1515 8.36 12.68 0.03 0.06
5 A' 1453 1408 24.02 19.08 0.35 0.52
6 A' 1379 1336 2.51 10.04 0.03 0.06
7 A' 1211 1174 3.09 19.26 0.04 0.07
8 A' 1156 1120 18.36 2.93 0.45 0.62
9 A' 1122 1088 4.14 13.48 0.05 0.09
10 A' 1046 1013 8.16 3.10 0.73 0.84
11 A' 931 903 21.50 6.28 0.18 0.30
12 A' 903 875 0.91 3.79 0.37 0.54
13 A' 895 868 10.71 2.01 0.11 0.19
14 A" 858 831 8.78 0.05 0.75 0.86
15 A" 821 796 1.79 0.56 0.75 0.86
16 A" 761 738 66.57 0.12 0.75 0.86
17 A" 640 620 0.22 0.22 0.75 0.86
18 A" 607 588 11.96 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12642.5 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 12253.1 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
0.32087 0.31737 0.15956

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.137 0.363 0.000
C2 0.630 -0.966 0.000
C3 0.000 1.137 0.000
N4 -0.706 -0.991 0.000
O5 -1.100 0.344 0.000
H6 2.170 0.698 0.000
H7 1.164 -1.914 0.000
H8 -0.190 2.207 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42271.37592.28692.23761.08562.27672.2721
C21.42272.19581.33582.17002.26761.08793.2774
C31.37592.19582.24241.35672.21373.26571.0864
N42.28691.33582.24241.39193.33512.08553.2393
O52.23762.17001.35671.39193.28923.19772.0736
H61.08562.26762.21373.33513.28922.79872.8009
H72.27671.08793.26572.08553.19772.79874.3375
H82.27213.27741.08643.23932.07362.80094.3375

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.963 C1 C2 H7 129.660
C1 C3 O5 109.943 C1 C3 H8 134.339
C2 C1 C3 103.358 C2 C1 H6 128.896
C2 N4 O5 105.398 C3 C1 H6 127.746
C3 O5 N4 109.337 N4 C2 H7 118.377
O5 C3 H8 115.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability