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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: MP2=FULL/6-31G

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/6-31G
 hartrees
Energy at 0K-244.982432
Energy at 298.15K 
HF Energy-244.454169
Nuclear repulsion energy157.197062
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/6-31G
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 3168 0.54 122.69 0.14 0.24
2 A' 3306 3141 0.18 41.16 0.28 0.44
3 A' 3292 3128 0.78 78.77 0.59 0.74
4 A' 1546 1469 7.17 11.66 0.13 0.24
5 A' 1424 1353 29.21 17.66 0.45 0.63
6 A' 1367 1299 5.71 7.23 0.14 0.25
7 A' 1211 1150 2.44 8.30 0.20 0.33
8 A' 1156 1098 16.25 8.30 0.57 0.72
9 A' 1091 1037 0.24 6.20 0.21 0.35
10 A' 1021 970 16.33 1.29 0.69 0.81
11 A' 922 876 4.24 6.21 0.55 0.71
12 A' 893 848 0.82 2.22 0.45 0.62
13 A' 748 711 14.01 10.40 0.14 0.25
14 A" 838 796 19.30 2.51 0.75 0.86
15 A" 797 758 3.87 0.01 0.75 0.86
16 A" 753 715 64.49 1.58 0.75 0.86
17 A" 613 582 3.85 0.13 0.75 0.86
18 A" 580 551 10.84 1.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12445.4 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 11824.3 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/6-31G
ABC
0.31070 0.29955 0.15251

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.133 0.388 0.000
C2 0.659 -0.969 0.000
C3 0.000 1.168 0.000
N4 -0.688 -1.059 0.000
O5 -1.142 0.353 0.000
H6 2.162 0.722 0.000
H7 1.233 -1.887 0.000
H8 -0.194 2.231 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43721.37592.32662.27581.08202.27712.2714
C21.43722.23631.35042.23422.26261.08293.3118
C31.37592.23632.33161.40352.20773.29461.0807
N42.32661.35042.33161.48343.36162.09213.3278
O52.27582.23421.40351.48343.32523.26492.1045
H61.08202.26262.20773.36163.32522.76972.7979
H72.27711.08293.29462.09213.26492.76974.3585
H82.27143.31181.08073.32782.10452.79794.3585

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 113.114 C1 C2 H7 128.714
C1 C3 O5 109.931 C1 C3 H8 134.880
C2 C1 C3 105.284 C2 C1 H6 127.265
C2 N4 O5 103.973 C3 C1 H6 127.451
C3 O5 N4 107.698 N4 C2 H7 118.172
O5 C3 H8 115.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability