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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-245.411712
Energy at 298.15K 
HF Energy-244.602797
Nuclear repulsion energy160.668554
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 CCSD(T)=FULL/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' 3308 3186        
2 A' 3284 3163        
3 A' 3265 3145        
4 A' 1601 1542        
5 A' 1478 1424        
6 A' 1397 1345        
7 A' 1235 1190        
8 A' 1153 1110        
9 A' 1119 1078        
10 A' 1035 997        
11 A' 921 887        
12 A' 904 871        
13 A' 874 842        
14 A" 883 851        
15 A" 855 823        
16 A" 772 744        
17 A" 629 606        
18 A" 595 573        

Unscaled Zero Point Vibrational Energy (zpe) 12653.3 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 12187.6 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 CCSD(T)=FULL/cc-pVDZ
ABC
0.32150 0.31580 0.15931

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.141 0.370 0.000
C2 0.620 -0.970 0.000
C3 0.000 1.132 0.000
N4 -0.703 -0.995 0.000
O5 -1.101 0.348 0.000
H6 2.179 0.701 0.000
H7 1.162 -1.919 0.000
H8 -0.184 2.207 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43721.37282.29482.24211.08912.28822.2659
C21.43722.19181.32422.16772.28491.09233.2774
C31.37282.19182.24081.35142.22113.26461.0905
N42.29481.32422.24081.40073.34442.08143.2442
O52.24212.16771.35141.40073.29843.20262.0727
H61.08912.28492.22113.34443.29842.81012.8021
H72.28821.09233.26462.08143.20262.81014.3398
H82.26593.27741.09053.24422.07272.80214.3398

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.351 C1 C2 H7 129.031
C1 C3 O5 110.776 C1 C3 H8 133.473
C2 C1 C3 102.497 C2 C1 H6 128.979
C2 N4 O5 105.374 C3 C1 H6 128.525
C3 O5 N4 109.003 N4 C2 H7 118.619
O5 C3 H8 115.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability