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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CCD/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 CCD/cc-pVTZ
 hartrees
Energy at 0K-245.622143
Energy at 298.15K-245.626837
HF Energy-244.720310
Nuclear repulsion energy163.873135
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 CCD/cc-pVTZ
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' 3339 3117 0.57      
2 A' 3313 3093 0.20      
3 A' 3305 3086 2.26      
4 A' 1631 1523 15.55      
5 A' 1584 1479 27.87      
6 A' 1398 1305 3.57      
7 A' 1306 1219 0.10      
8 A' 1222 1141 40.73      
9 A' 1145 1069 10.28      
10 A' 1134 1059 8.32      
11 A' 1105 1032 35.56      
12 A' 944 882 16.10      
13 A' 930 868 17.33      
14 A" 910 850 0.37      
15 A" 886 828 18.00      
16 A" 797 744 36.04      
17 A" 672 627 26.46      
18 A" 634 592 6.09      

Unscaled Zero Point Vibrational Energy (zpe) 13126.6 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 12256.3 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 CCD/cc-pVTZ
ABC
0.33908 0.32530 0.16602

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.099 0.309 0.000
C2 0.000 1.091 0.000
N3 1.123 0.464 0.000
C4 0.750 -0.875 0.000
C5 -0.595 -0.957 0.000
H6 -0.166 2.152 0.000
H7 1.475 -1.666 0.000
H8 -1.307 -1.759 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34852.22772.19521.36292.06543.24472.0790
C21.34851.28612.10332.13271.07393.12653.1353
N32.22771.28611.38992.23052.12332.15923.2939
C42.19522.10331.38991.34783.16161.07372.2389
C51.36292.13272.23051.34783.13852.18861.0720
H62.06541.07392.12333.16163.13854.15544.0741
H73.24473.12652.15921.07372.18864.15542.7835
H82.07903.13533.29392.23891.07204.07412.7835

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.445 O1 C2 H6 116.540
O1 C5 C4 108.157 O1 C5 H8 116.750
C2 O1 C5 103.732 C2 N3 C4 103.554
N3 C2 H6 128.015 N3 C4 C5 109.111
N3 C4 H7 121.911 C4 C5 H8 135.092
C5 C4 H7 128.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability