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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-245.465959
Energy at 298.15K-245.470566
HF Energy-244.687823
Nuclear repulsion energy163.010412
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 MP2/6-311G**
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' 3338 3171 0.47      
2 A' 3318 3153 0.34      
3 A' 3304 3139 2.06      
4 A' 1554 1476 7.71      
5 A' 1520 1444 28.21      
6 A' 1364 1296 4.50      
7 A' 1278 1215 1.14      
8 A' 1198 1138 35.03      
9 A' 1152 1095 6.45      
10 A' 1115 1059 2.33      
11 A' 1099 1045 38.71      
12 A' 923 877 23.90      
13 A' 912 866 7.66      
14 A" 844 802 1.50      
15 A" 822 781 37.86      
16 A" 752 715 24.23      
17 A" 664 631 24.94      
18 A" 624 593 2.49      

Unscaled Zero Point Vibrational Energy (zpe) 12889.4 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 12247.5 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 MP2/6-311G**
ABC
0.33814 0.31945 0.16427

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.109 0.311 0.000
C2 0.000 1.093 0.000
N3 1.136 0.460 0.000
C4 0.758 -0.876 0.000
C5 -0.603 -0.957 0.000
H6 -0.171 2.158 0.000
H7 1.486 -1.672 0.000
H8 -1.324 -1.757 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35642.24952.21211.36512.07113.26602.0800
C21.35641.30042.10962.13671.07873.13893.1428
N32.24951.30041.38842.24342.14262.16043.3118
C42.21212.10961.38841.36373.17291.07892.2607
C51.36512.13672.24341.36373.14472.20871.0770
H62.07111.07872.14263.17293.14474.17294.0817
H73.26603.13892.16041.07892.20874.17292.8115
H82.08003.14283.31182.26071.07704.08172.8115

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.695 O1 C2 H6 116.068
O1 C5 C4 108.319 O1 C5 H8 116.302
C2 O1 C5 103.462 C2 N3 C4 103.322
N3 C2 H6 128.237 N3 C4 C5 109.203
N3 C4 H7 121.729 C4 C5 H8 135.379
C5 C4 H7 129.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability