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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-245.695295
Energy at 298.15K-245.699964
HF Energy-244.719521
Nuclear repulsion energy163.872820
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 MP2=FULL/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' 3355 3186 0.34      
2 A' 3335 3167 0.84      
3 A' 3320 3152 2.20      
4 A' 1569 1489 5.77      
5 A' 1532 1454 28.57      
6 A' 1373 1304 5.10      
7 A' 1295 1229 0.74      
8 A' 1202 1141 31.71      
9 A' 1157 1098 5.97      
10 A' 1123 1067 3.60      
11 A' 1102 1047 37.33      
12 A' 926 879 19.86      
13 A' 916 870 12.25      
14 A" 894 849 1.59      
15 A" 855 811 27.32      
16 A" 785 745 32.79      
17 A" 676 642 23.12      
18 A" 641 609 3.50      

Unscaled Zero Point Vibrational Energy (zpe) 13028.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12368.8 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 MP2=FULL/cc-pVTZ
ABC
0.34077 0.32369 0.16601

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.104 0.310 0.000
C2 0.000 1.090 0.000
N3 1.128 0.458 0.000
C4 0.753 -0.871 0.000
C5 -0.598 -0.954 0.000
H6 -0.167 2.146 0.000
H7 1.474 -1.661 0.000
H8 -1.308 -1.751 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35162.23652.20041.36142.06163.24442.0712
C21.35161.29342.10122.12991.06933.12123.1280
N32.23651.29341.38102.22962.12832.14683.2882
C42.20042.10121.38101.35313.15501.06922.2407
C51.36142.12992.22961.35313.13032.18861.0676
H62.06161.06932.12833.15503.13034.14614.0612
H73.24443.12122.14681.06922.18864.14612.7828
H82.07123.12803.28822.24071.06764.06122.7828

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.446 O1 C2 H6 116.279
O1 C5 C4 108.311 O1 C5 H8 116.491
C2 O1 C5 103.455 C2 N3 C4 103.521
N3 C2 H6 128.275 N3 C4 C5 109.267
N3 C4 H7 121.858 C4 C5 H8 135.197
C5 C4 H7 128.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability