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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: CCD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-245.433970
Energy at 298.15K 
HF Energy-244.644186
Nuclear repulsion energy162.488092
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/6-311G**
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' 3325 3176 0.06      
2 A' 3300 3152 0.14      
3 A' 3282 3134 1.67      
4 A' 1644 1570 7.60      
5 A' 1510 1442 28.83      
6 A' 1430 1365 8.72      
7 A' 1277 1220 8.34      
8 A' 1200 1146 18.49      
9 A' 1144 1093 9.38      
10 A' 1057 1010 2.42      
11 A' 996 951 42.73      
12 A' 939 897 4.00      
13 A' 933 891 1.26      
14 A" 900 860 6.55      
15 A" 887 847 1.21      
16 A" 797 761 57.04      
17 A" 648 619 0.82      
18 A" 608 581 14.89      

Unscaled Zero Point Vibrational Energy (zpe) 12938.2 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 12357.3 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 CCD/6-311G**
ABC
0.32947 0.32212 0.16288

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.129 0.371 0.000
C2 0.613 -0.964 0.000
C3 0.000 1.123 0.000
N4 -0.695 -0.978 0.000
O5 -1.088 0.336 0.000
H6 2.156 0.699 0.000
H7 1.147 -1.905 0.000
H8 -0.189 2.186 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43141.35692.26882.21701.07812.27572.2434
C21.43142.17561.30822.14052.26911.08163.2510
C31.35692.17562.21321.34262.19733.23801.0798
N42.26881.30822.21321.37123.30802.06213.2047
O52.21702.14051.34261.37123.26383.16442.0572
H61.07812.26912.19733.30803.26382.79292.7765
H72.27571.08163.23802.06213.16442.79294.3037
H82.24343.25101.07983.20472.05722.77654.3037

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.746 C1 C2 H7 129.276
C1 C3 O5 110.420 C1 C3 H8 133.738
C2 C1 C3 102.534 C2 C1 H6 128.886
C2 N4 O5 106.021 C3 C1 H6 128.580
C3 O5 N4 109.279 N4 C2 H7 118.978
O5 C3 H8 115.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability