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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-245.021960
Energy at 298.15K-245.026370
HF Energy-244.528475
Nuclear repulsion energy157.647673
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/LANL2DZ
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' 3348 3224 0.93      
2 A' 3339 3216 0.19      
3 A' 3306 3184 2.07      
4 A' 1470 1416 1.90      
5 A' 1413 1361 22.45      
6 A' 1296 1248 17.79      
7 A' 1234 1189 1.17      
8 A' 1135 1093 22.34      
9 A' 1040 1002 1.42      
10 A' 1003 966 23.97      
11 A' 983 947 36.85      
12 A' 874 841 22.37      
13 A' 851 819 30.90      
14 A" 799 770 9.46      
15 A" 776 748 71.45      
16 A" 718 692 18.90      
17 A" 641 618 26.14      
18 A" 597 575 12.09      

Unscaled Zero Point Vibrational Energy (zpe) 12411.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 11953.4 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/LANL2DZ
ABC
0.31159 0.30243 0.15347

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.123 0.317 0.000
C2 0.000 1.163 0.000
N3 1.143 0.475 0.000
C4 0.776 -0.915 0.000
C5 -0.615 -1.009 0.000
H6 -0.164 2.231 0.000
H7 1.517 -1.704 0.000
H8 -1.334 -1.817 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.40592.27162.26361.41982.14123.32462.1439
C21.40591.33412.21752.25721.08133.24313.2641
N32.27161.33411.43692.30082.18972.21033.3739
C42.26362.21751.43691.39483.28351.08242.2944
C51.41982.25722.30081.39483.27172.24281.0806
H62.14121.08132.18973.28353.27174.27924.2135
H73.32463.24312.21031.08242.24284.27922.8528
H82.14393.26413.37392.29441.08064.21352.8528

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 111.976 O1 C2 H6 118.250
O1 C5 C4 107.066 O1 C5 H8 117.409
C2 O1 C5 106.033 C2 N3 C4 106.252
N3 C2 H6 129.774 N3 C4 C5 108.673
N3 C4 H7 122.016 C4 C5 H8 135.525
C5 C4 H7 129.312
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability