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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-245.873396
Energy at 298.15K-245.877904
HF Energy-245.873396
Nuclear repulsion energy162.364767
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 PBEPBE/TZVP
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' 3230 3194 0.35      
2 A' 3206 3170 0.85      
3 A' 3192 3157 2.46      
4 A' 1522 1505 8.79      
5 A' 1481 1465 26.73      
6 A' 1316 1302 3.31      
7 A' 1234 1220 0.32      
8 A' 1124 1111 15.49      
9 A' 1101 1089 8.18      
10 A' 1053 1041 11.03      
11 A' 1044 1032 36.89      
12 A' 897 887 22.78      
13 A' 887 877 13.36      
14 A" 824 815 4.98      
15 A" 785 776 34.59      
16 A" 723 715 25.92      
17 A" 647 639 23.64      
18 A" 606 600 3.37      

Unscaled Zero Point Vibrational Energy (zpe) 12436.7 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 12297.4 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 PBEPBE/TZVP
ABC
0.33386 0.31862 0.16303

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.110 0.309 0.000
C2 0.000 1.104 0.000
N3 1.131 0.464 0.000
C4 0.759 -0.878 0.000
C5 -0.600 -0.968 0.000
H6 -0.169 2.176 0.000
H7 1.497 -1.674 0.000
H8 -1.320 -1.777 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36512.24632.21441.37572.09063.27592.0970
C21.36511.29932.12242.15711.08573.15563.1691
N32.24631.29931.39292.24642.14992.16913.3214
C42.21442.12241.39291.36163.19241.08542.2654
C51.37572.15712.24641.36163.17382.21251.0834
H62.09061.08572.14993.19243.17384.19544.1175
H73.27593.15562.16911.08542.21254.19542.8196
H82.09703.16913.32142.26541.08344.11752.8196

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.907 O1 C2 H6 116.621
O1 C5 C4 107.988 O1 C5 H8 116.516
C2 O1 C5 103.815 C2 N3 C4 104.014
N3 C2 H6 128.473 N3 C4 C5 109.276
N3 C4 H7 121.654 C4 C5 H8 135.496
C5 C4 H7 129.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.084      
2 C -0.064      
3 N -0.058      
4 C -0.170      
5 C -0.031      
6 H 0.137      
7 H 0.130      
8 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.298 -0.833 0.000 1.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.596 -1.258 0.000
y -1.258 -22.980 0.000
z 0.000 0.000 -30.131
Traceless
 xyz
x -5.040 -1.258 0.000
y -1.258 7.883 0.000
z 0.000 0.000 -2.843
Polar
3z2-r2-5.686
x2-y2-8.616
xy-1.258
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.655 0.097 0.000
y 0.097 7.365 0.000
z 0.000 0.000 3.853


<r2> (average value of r2) Å2
<r2> 76.652
(<r2>)1/2 8.755