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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-245.360971
Energy at 298.15K-245.365586
HF Energy-244.630139
Nuclear repulsion energy163.036769
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/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' 3343 3164 0.62      
2 A' 3322 3144 0.35      
3 A' 3308 3131 2.15      
4 A' 1647 1559 14.61      
5 A' 1597 1511 28.53      
6 A' 1407 1332 3.90      
7 A' 1309 1239 0.03      
8 A' 1233 1167 45.32      
9 A' 1153 1092 8.43      
10 A' 1143 1082 6.00      
11 A' 1109 1049 40.55      
12 A' 941 890 15.89      
13 A' 927 877 19.58      
14 A" 859 813 3.84      
15 A" 840 795 21.77      
16 A" 763 722 23.47      
17 A" 665 630 30.91      
18 A" 620 587 4.56      

Unscaled Zero Point Vibrational Energy (zpe) 13092.4 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 12391.9 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/6-31G*
ABC
0.33598 0.32178 0.16436

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.104 0.309 0.000
C2 0.000 1.097 0.000
N3 1.128 0.466 0.000
C4 0.753 -0.877 0.000
C5 -0.598 -0.963 0.000
H6 -0.168 2.165 0.000
H7 1.487 -1.672 0.000
H8 -1.316 -1.769 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35642.23802.20401.36972.07873.26172.0896
C21.35641.29302.11322.14571.08143.14303.1544
N32.23801.29301.39462.24142.13772.16763.3126
C42.20402.11321.39461.35383.17921.08162.2535
C51.36972.14572.24141.35383.15832.20201.0796
H62.07871.08142.13773.17923.15834.17914.0989
H73.26173.14302.16761.08162.20204.17912.8050
H82.08963.15443.31262.25351.07964.09892.8050

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.265 O1 C2 H6 116.556
O1 C5 C4 108.036 O1 C5 H8 116.606
C2 O1 C5 103.824 C2 N3 C4 103.614
N3 C2 H6 128.180 N3 C4 C5 109.261
N3 C4 H7 121.658 C4 C5 H8 135.358
C5 C4 H7 129.080
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability