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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: CID/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 CID/cc-pVDZ
 hartrees
Energy at 0K-245.242046
Energy at 298.15K 
HF Energy-244.608038
Nuclear repulsion energy163.093117
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 CID/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' 3417 3157 0.36      
2 A' 3391 3133 0.26      
3 A' 3373 3117 1.42      
4 A' 1711 1581 11.49      
5 A' 1573 1453 37.93      
6 A' 1477 1365 11.56      
7 A' 1316 1216 11.91      
8 A' 1230 1137 18.34      
9 A' 1180 1091 10.42      
10 A' 1079 997 2.00      
11 A' 1015 938 46.59      
12 A' 967 893 5.46      
13 A' 958 885 1.63      
14 A" 968 894 5.10      
15 A" 948 876 0.00      
16 A" 830 767 52.21      
17 A" 678 626 1.63      
18 A" 633 585 16.77      

Unscaled Zero Point Vibrational Energy (zpe) 13371.5 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 12355.3 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 CID/cc-pVDZ
ABC
0.33201 0.32441 0.16408

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.128 0.367 0.000
C2 0.605 -0.964 0.000
C3 0.000 1.118 0.000
N4 -0.696 -0.971 0.000
O5 -1.080 0.338 0.000
H6 2.157 0.695 0.000
H7 1.137 -1.908 0.000
H8 -0.182 2.184 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42991.35542.26232.20881.08012.27462.2407
C21.42992.16771.30122.12952.27201.08353.2449
C31.35542.16772.20151.33212.19843.23201.0819
N42.26231.30122.20151.36403.30432.05863.1965
O52.20882.12951.33211.36403.25723.15582.0528
H61.08012.27202.19843.30433.25722.79592.7733
H72.27461.08353.23202.05863.15582.79594.2993
H82.24073.24491.08193.19652.05282.77334.2993

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.778 C1 C2 H7 129.133
C1 C3 O5 110.537 C1 C3 H8 133.340
C2 C1 C3 102.170 C2 C1 H6 129.170
C2 N4 O5 106.046 C3 C1 H6 128.661
C3 O5 N4 109.469 N4 C2 H7 119.089
O5 C3 H8 116.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability