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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-245.370775
Energy at 298.15K-245.375352
HF Energy-244.628985
Nuclear repulsion energy162.804890
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' 3361 3167 0.34      
2 A' 3341 3148 0.25      
3 A' 3328 3136 1.78      
4 A' 1583 1492 5.45      
5 A' 1546 1456 28.69      
6 A' 1387 1307 6.78      
7 A' 1299 1224 0.44      
8 A' 1213 1143 37.08      
9 A' 1157 1090 4.76      
10 A' 1136 1070 4.41      
11 A' 1103 1039 37.66      
12 A' 922 869 20.52      
13 A' 914 862 13.92      
14 A" 830 782 6.58      
15 A" 811 765 33.94      
16 A" 738 695 18.26      
17 A" 669 630 25.82      
18 A" 625 589 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 12981.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 12230.9 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
0.33661 0.31938 0.16388

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 -1.109 0.310 0.000
C2 0.000 1.098 0.000
N3 1.134 0.460 0.000
C4 0.757 -0.876 0.000
C5 -0.601 -0.961 0.000
H6 -0.170 2.164 0.000
H7 1.488 -1.670 0.000
H8 -1.321 -1.764 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36012.24842.21101.36962.07773.26632.0850
C21.36011.30122.11372.14511.07993.14263.1517
N32.24841.30121.38842.24342.14602.15963.3128
C42.21102.11371.38841.36043.17821.07982.2594
C51.36962.14512.24341.36043.15502.20621.0780
H62.07771.07992.14603.17823.15504.17764.0929
H73.26633.14262.15961.07982.20624.17762.8107
H82.08503.15173.31282.25941.07804.09292.8107

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.295 O1 C2 H6 116.289
O1 C5 C4 108.167 O1 C5 H8 116.332
C2 O1 C5 103.597 C2 N3 C4 103.553
N3 C2 H6 128.416 N3 C4 C5 109.388
N3 C4 H7 121.571 C4 C5 H8 135.501
C5 C4 H7 129.041
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability