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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-245.571990
Energy at 298.15K-245.576502
HF Energy-244.708533
Nuclear repulsion energy163.275814
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/TZVP
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' 3354 3195 0.41      
2 A' 3334 3176 0.75      
3 A' 3321 3164 2.24      
4 A' 1561 1487 4.36      
5 A' 1527 1455 35.00      
6 A' 1370 1306 6.22      
7 A' 1300 1238 0.86      
8 A' 1197 1140 35.22      
9 A' 1143 1089 6.71      
10 A' 1124 1071 5.66      
11 A' 1098 1046 42.25      
12 A' 930 886 19.32      
13 A' 917 874 12.32      
14 A" 788 751 56.08      
15 A" 760 724 1.28      
16 A" 690 657 6.54      
17 A" 646 616 30.10      
18 A" 579 551 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 12818.9 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 12212.6 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/TZVP
ABC
0.33808 0.32158 0.16481

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.106 0.310 0.000
C2 0.000 1.095 0.000
N3 1.130 0.461 0.000
C4 0.755 -0.875 0.000
C5 -0.599 -0.959 0.000
H6 -0.169 2.156 0.000
H7 1.482 -1.665 0.000
H8 -1.314 -1.760 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35672.24152.20551.36642.07113.25562.0796
C21.35671.29642.10942.14001.07463.13333.1425
N32.24151.29641.38702.23752.13632.15493.3020
C42.20552.10941.38701.35623.16861.07452.2497
C51.36642.14002.23751.35623.14522.19751.0730
H62.07111.07462.13633.16863.14524.16324.0800
H73.25563.13332.15491.07452.19754.16322.7973
H82.07963.14253.30202.24971.07304.08002.7973

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.305 O1 C2 H6 116.347
O1 C5 C4 108.205 O1 C5 H8 116.448
C2 O1 C5 103.601 C2 N3 C4 103.591
N3 C2 H6 128.348 N3 C4 C5 109.298
N3 C4 H7 121.677 C4 C5 H8 135.347
C5 C4 H7 129.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability