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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-244.385263
Energy at 298.15K-244.389831
HF Energy-244.209922
Nuclear repulsion energy159.955988
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 B2PLYP=FULL/3-21G*
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' 3370 3370 0.28      
2 A' 3353 3353 0.47      
3 A' 3337 3337 1.17      
4 A' 1524 1524 3.57      
5 A' 1468 1468 12.85      
6 A' 1332 1332 18.35      
7 A' 1282 1282 0.25      
8 A' 1165 1165 9.58      
9 A' 1041 1041 10.49      
10 A' 1026 1026 7.15      
11 A' 992 992 21.70      
12 A' 899 899 8.89      
13 A' 882 882 37.38      
14 A" 913 913 0.60      
15 A" 858 858 33.70      
16 A" 796 796 42.23      
17 A" 663 663 19.30      
18 A" 621 621 14.78      

Unscaled Zero Point Vibrational Energy (zpe) 12760.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12760.5 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 B2PLYP=FULL/3-21G*
ABC
0.31987 0.31231 0.15802

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.113 0.310 0.000
C2 0.000 1.147 0.000
N3 1.126 0.475 0.000
C4 0.763 -0.900 0.000
C5 -0.597 -1.000 0.000
H6 -0.166 2.206 0.000
H7 1.496 -1.683 0.000
H8 -1.299 -1.809 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.39332.24552.23281.40762.11983.28322.1264
C21.39331.31132.18502.22861.07183.20143.2287
N32.24551.31131.42222.26812.16012.18973.3309
C42.23282.18501.42221.36403.24231.07232.2533
C51.40762.22862.26811.36403.23472.20161.0708
H62.11981.07182.16013.24233.23474.22954.1714
H73.28323.20142.18971.07232.20164.22952.7974
H82.12643.22873.33092.25331.07084.17142.7974

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.210 O1 C2 H6 118.027
O1 C5 C4 107.330 O1 C5 H8 117.534
C2 O1 C5 105.431 C2 N3 C4 106.063
N3 C2 H6 129.763 N3 C4 C5 108.966
N3 C4 H7 122.138 C4 C5 H8 135.136
C5 C4 H7 128.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability