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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CCSD(T)=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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-245.419202
Energy at 298.15K-245.423748
HF Energy-244.628476
Nuclear repulsion energy162.372822
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 CCSD(T)=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' 3317 3220        
2 A' 3295 3198        
3 A' 3281 3185        
4 A' 1599 1552        
5 A' 1561 1515        
6 A' 1375 1335        
7 A' 1290 1253        
8 A' 1195 1160        
9 A' 1123 1090        
10 A' 1123 1090        
11 A' 1082 1050        
12 A' 921 894        
13 A' 910 884        
14 A" 829 805        
15 A" 817 793        
16 A" 730 709        
17 A" 653 634        
18 A" 608 590        

Unscaled Zero Point Vibrational Energy (zpe) 12854.0 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 12477.4 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 CCSD(T)=FULL/6-31G*
ABC
0.33397 0.31842 0.16301

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.109 0.311 0.000
C2 0.000 1.102 0.000
N3 1.134 0.468 0.000
C4 0.756 -0.881 0.000
C5 -0.599 -0.969 0.000
H6 -0.169 2.172 0.000
H7 1.491 -1.677 0.000
H8 -1.322 -1.774 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36262.24882.21391.37822.08553.27332.0957
C21.36261.29922.12282.15641.08343.15383.1652
N32.24881.29921.40152.25172.14512.17463.3250
C42.21392.12281.40151.35813.19071.08312.2610
C51.37822.15642.25171.35813.17102.20691.0812
H62.08551.08342.14513.19073.17104.19194.1112
H73.27333.15382.17461.08312.20694.19192.8142
H82.09573.16523.32502.26101.08124.11122.8142

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.292 O1 C2 H6 116.531
O1 C5 C4 108.014 O1 C5 H8 116.371
C2 O1 C5 103.773 C2 N3 C4 103.569
N3 C2 H6 128.177 N3 C4 C5 109.353
N3 C4 H7 121.612 C4 C5 H8 135.615
C5 C4 H7 129.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability