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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2=FULL/6-31G

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/6-31G
 hartrees
Energy at 0K-245.010302
Energy at 298.15K-245.014754
HF Energy-244.493746
Nuclear repulsion energy158.782301
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/6-31G
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' 3362 3194 0.24      
2 A' 3352 3185 0.53      
3 A' 3326 3160 0.92      
4 A' 1514 1439 2.49      
5 A' 1447 1375 15.93      
6 A' 1319 1253 20.18      
7 A' 1266 1202 2.03      
8 A' 1163 1105 12.42      
9 A' 1050 998 2.45      
10 A' 1011 961 16.60      
11 A' 1007 957 41.42      
12 A' 887 842 13.49      
13 A' 868 825 35.18      
14 A" 804 764 9.09      
15 A" 786 746 48.60      
16 A" 721 685 13.67      
17 A" 640 608 30.75      
18 A" 597 567 9.36      

Unscaled Zero Point Vibrational Energy (zpe) 12559.4 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 11932.7 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 MP2=FULL/6-31G
ABC
0.31608 0.30696 0.15573

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.120 0.313 0.000
C2 0.000 1.154 0.000
N3 1.138 0.474 0.000
C4 0.769 -0.906 0.000
C5 -0.607 -1.004 0.000
H6 -0.164 2.220 0.000
H7 1.507 -1.693 0.000
H8 -1.319 -1.813 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.40042.26382.24781.41332.13263.30542.1355
C21.40041.32562.19842.24131.07833.22133.2470
N32.26381.32561.42862.28692.17772.19873.3572
C42.24782.19841.42861.37923.26161.07942.2766
C51.41332.24132.28691.37923.25362.22341.0781
H62.13261.07832.17773.26163.25364.25484.1948
H73.30543.22132.19871.07942.22344.25482.8287
H82.13553.24703.35722.27661.07814.19482.8287

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.262 O1 C2 H6 118.140
O1 C5 C4 107.209 O1 C5 H8 117.365
C2 O1 C5 105.614 C2 N3 C4 105.857
N3 C2 H6 129.598 N3 C4 C5 109.059
N3 C4 H7 121.867 C4 C5 H8 135.426
C5 C4 H7 129.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability