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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CCD/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-245.399611
Energy at 298.15K-245.404270
HF Energy-244.650121
Nuclear repulsion energy162.613227
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-pVDZ
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 3194 0.61      
2 A' 3316 3173 0.15      
3 A' 3303 3160 2.08      
4 A' 1630 1560 15.70      
5 A' 1583 1514 27.01      
6 A' 1392 1332 2.08      
7 A' 1288 1232 0.09      
8 A' 1220 1167 41.24      
9 A' 1146 1096 12.26      
10 A' 1126 1077 3.92      
11 A' 1100 1053 35.10      
12 A' 939 898 18.71      
13 A' 924 884 14.64      
14 A" 884 846 1.36      
15 A" 862 824 18.84      
16 A" 783 749 29.22      
17 A" 667 638 25.25      
18 A" 627 600 5.31      

Unscaled Zero Point Vibrational Energy (zpe) 13064.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 12498.8 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-pVDZ
ABC
0.33549 0.31895 0.16351

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.108 0.312 0.000
C2 0.000 1.095 0.000
N3 1.136 0.466 0.000
C4 0.758 -0.880 0.000
C5 -0.605 -0.960 0.000
H6 -0.169 2.171 0.000
H7 1.493 -1.685 0.000
H8 -1.329 -1.772 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35642.24912.21421.36832.08283.27912.0962
C21.35641.29822.11502.14221.08963.15513.1601
N32.24911.29821.39812.25072.14682.18043.3299
C42.21422.11501.39811.36543.18871.09002.2701
C51.36832.14222.25071.36543.16182.21961.0881
H62.08281.08962.14683.18873.16184.19874.1107
H73.27913.15512.18041.09002.21964.19872.8237
H82.09623.16013.32992.27011.08814.11072.8237

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.810 O1 C2 H6 116.334
O1 C5 C4 108.184 O1 C5 H8 116.701
C2 O1 C5 103.670 C2 N3 C4 103.274
N3 C2 H6 127.856 N3 C4 C5 109.061
N3 C4 H7 121.918 C4 C5 H8 135.115
C5 C4 H7 129.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability