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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: CCD/daug-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 CCD/daug-cc-pVDZ
 hartrees
Energy at 0K-245.407943
Energy at 298.15K 
HF Energy-244.620629
Nuclear repulsion energy161.256064
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 CCD/daug-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' 3319 3319 0.06      
2 A' 3294 3294 0.17      
3 A' 3277 3277 1.24      
4 A' 1627 1627 10.14      
5 A' 1502 1502 30.56      
6 A' 1411 1411 6.98      
7 A' 1256 1256 6.61      
8 A' 1171 1171 20.06      
9 A' 1124 1124 7.91      
10 A' 1047 1047 4.64      
11 A' 957 957 35.02      
12 A' 923 923 5.19      
13 A' 919 919 4.56      
14 A" 907 907 6.46      
15 A" 877 877 0.00      
16 A" 783 783 62.15      
17 A" 642 642 1.05      
18 A" 603 603 12.47      

Unscaled Zero Point Vibrational Energy (zpe) 12819.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12819.2 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 CCD/daug-cc-pVDZ
ABC
0.32449 0.31738 0.16045

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.135 0.372 0.000
C2 0.619 -0.971 0.000
C3 0.000 1.132 0.000
N4 -0.699 -0.988 0.000
O5 -1.096 0.341 0.000
H6 2.169 0.705 0.000
H7 1.158 -1.916 0.000
H8 -0.186 2.203 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43841.36652.28302.23191.08592.28822.2585
C21.43842.19211.31742.15902.28291.08863.2745
C31.36652.19212.23251.35222.21023.26111.0870
N42.28301.31742.23251.38713.33002.07563.2323
O52.23192.15901.35221.38713.28523.19002.0730
H61.08592.28292.21023.33003.28522.80982.7908
H72.28821.08863.26112.07563.19002.80984.3333
H82.25853.27451.08703.23232.07302.79084.3333

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.803 C1 C2 H7 129.260
C1 C3 O5 110.354 C1 C3 H8 133.680
C2 C1 C3 102.772 C2 C1 H6 128.945
C2 N4 O5 105.907 C3 C1 H6 128.283
C3 O5 N4 109.163 N4 C2 H7 118.936
O5 C3 H8 115.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability