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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-245.380144
Energy at 298.15K-245.384729
HF Energy-244.598658
Nuclear repulsion energy162.173764
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 MP3=FULL/6-31+G**
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' 3395 3163 0.12      
2 A' 3373 3142 0.29      
3 A' 3355 3126 1.20      
4 A' 1667 1553 9.76      
5 A' 1535 1430 32.75      
6 A' 1452 1352 7.13      
7 A' 1297 1208 7.26      
8 A' 1207 1124 19.68      
9 A' 1155 1076 8.99      
10 A' 1076 1003 3.99      
11 A' 979 912 40.63      
12 A' 941 876 7.02      
13 A' 936 872 1.22      
14 A" 888 827 10.55      
15 A" 849 791 9.59      
16 A" 778 725 59.06      
17 A" 639 595 0.52      
18 A" 588 547 15.59      

Unscaled Zero Point Vibrational Energy (zpe) 13053.7 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 12160.8 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 MP3=FULL/6-31+G**
ABC
0.32828 0.32088 0.16227

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.179 2.183 0.000
C2 0.000 1.124 0.000
H3 2.152 0.692 0.000
C4 1.130 0.369 0.000
O5 -1.092 0.341 0.000
H6 1.154 -1.898 0.000
C7 0.615 -0.967 0.000
N8 -0.694 -0.980 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 C7 N8
H11.07422.76712.23682.05574.29253.24823.2045
C21.07422.19541.35891.34363.23412.17912.2150
H32.76712.19541.07243.26382.77532.26203.3008
C42.23681.35891.07242.22252.26641.43152.2681
O52.05571.34363.26382.22253.17182.15091.3803
H64.29253.23412.77532.26643.17181.07562.0630
C73.24822.17912.26201.43152.15091.07561.3085
N83.20452.21503.30082.26811.38032.06301.3085

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 133.318 C1 C2 H7 173.183
C1 C3 O5 38.767 C1 C3 H8 63.033
C2 C1 C3 47.828 C2 C1 H6 8.517
C2 N4 O5 34.451 C3 C1 H6 39.311
C3 O5 N4 5.462 N4 C2 H7 39.864
O5 C3 H8 24.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability