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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CCD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-245.638398
Energy at 298.15K-245.643078
HF Energy-244.723418
Nuclear repulsion energy163.813848
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/aug-cc-pVTZ
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' 3333 3189 0.50      
2 A' 3307 3164 0.38      
3 A' 3300 3158 2.43      
4 A' 1625 1556 16.52      
5 A' 1578 1510 31.90      
6 A' 1392 1332 3.16      
7 A' 1298 1242 0.09      
8 A' 1217 1164 43.16      
9 A' 1140 1091 10.85      
10 A' 1130 1081 7.23      
11 A' 1099 1052 37.67      
12 A' 941 901 16.58      
13 A' 925 886 15.34      
14 A" 902 863 0.50      
15 A" 880 842 19.16      
16 A" 794 760 36.50      
17 A" 668 639 27.14      
18 A" 628 601 5.51      

Unscaled Zero Point Vibrational Energy (zpe) 13077.0 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 12514.7 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 CCD/aug-cc-pVTZ
ABC
0.33839 0.32551 0.16591

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.098 0.309 0.000
C2 0.000 1.093 0.000
N3 1.122 0.464 0.000
C4 0.750 -0.876 0.000
C5 -0.596 -0.959 0.000
H6 -0.166 2.155 0.000
H7 1.476 -1.668 0.000
H8 -1.308 -1.761 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34892.22492.19511.36412.06753.24542.0807
C21.34891.28632.10732.13691.07473.13083.1396
N32.22491.28631.39082.23042.12572.16103.2947
C42.19512.10731.39081.34803.16651.07432.2402
C51.36412.13692.23041.34803.14362.18951.0727
H62.06751.07472.12573.16653.14364.16064.0790
H73.24543.13082.16101.07432.18954.16062.7859
H82.08073.13963.29472.24021.07274.07902.7859

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.178 O1 C2 H6 116.647
O1 C5 C4 108.071 O1 C5 H8 116.765
C2 O1 C5 103.937 C2 N3 C4 103.772
N3 C2 H6 128.175 N3 C4 C5 109.042
N3 C4 H7 121.958 C4 C5 H8 135.164
C5 C4 H7 129.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability