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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: CCSD=FULL/aug-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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-245.424564
Energy at 298.15K 
HF Energy-244.618666
Nuclear repulsion energy160.983261
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=FULL/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3321 3321 0.05      
2 A' 3296 3296 0.12      
3 A' 3277 3277 1.17      
4 A' 1622 1622 11.37      
5 A' 1499 1499 34.35      
6 A' 1405 1405 8.07      
7 A' 1250 1250 5.80      
8 A' 1159 1159 21.58      
9 A' 1117 1117 8.35      
10 A' 1045 1045 5.63      
11 A' 931 931 16.47      
12 A' 912 912 0.74      
13 A' 899 899 22.52      
14 A" 892 892 8.63      
15 A" 865 865 1.61      
16 A" 769 769 56.32      
17 A" 634 634 1.91      
18 A" 595 595 14.27      

Unscaled Zero Point Vibrational Energy (zpe) 12743.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12743.7 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=FULL/aug-cc-pVDZ
ABC
0.32343 0.31634 0.15992

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.136 0.372 0.000
C2 0.619 -0.970 0.000
C3 0.000 1.132 0.000
N4 -0.697 -0.995 0.000
O5 -1.100 0.345 0.000
H6 2.170 0.704 0.000
H7 1.162 -1.914 0.000
H8 -0.184 2.204 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43821.36692.28672.23611.08602.28662.2579
C21.43822.19161.31662.16422.28211.08913.2740
C31.36692.19162.23841.35282.21183.26061.0873
N42.28671.31662.23841.39873.33282.07403.2396
O52.23612.16421.35281.39873.28963.19662.0726
H61.08602.28212.21183.33283.28962.80602.7911
H72.28661.08913.26062.07403.19662.80604.3326
H82.25793.27401.08733.23962.07262.79114.3326

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.136 C1 C2 H7 129.059
C1 C3 O5 110.610 C1 C3 H8 133.531
C2 C1 C3 102.727 C2 C1 H6 128.868
C2 N4 O5 105.657 C3 C1 H6 128.405
C3 O5 N4 108.870 N4 C2 H7 118.805
O5 C3 H8 115.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability