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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-245.698939
Energy at 298.15K-245.703561
HF Energy-245.698939
Nuclear repulsion energy161.437349
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 PBE1PBE/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' 3396 3246 0.48      
2 A' 3384 3235 2.26      
3 A' 3356 3208 2.28      
4 A' 1579 1509 6.56      
5 A' 1526 1459 24.62      
6 A' 1360 1300 9.32      
7 A' 1275 1218 0.18      
8 A' 1175 1123 16.36      
9 A' 1109 1060 1.98      
10 A' 1065 1018 17.50      
11 A' 1056 1009 31.30      
12 A' 920 879 1.22      
13 A' 915 875 45.36      
14 A" 923 882 2.29      
15 A" 850 813 36.60      
16 A" 800 765 36.78      
17 A" 669 639 28.71      
18 A" 628 600 11.24      

Unscaled Zero Point Vibrational Energy (zpe) 12991.8 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 12418.8 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 PBE1PBE/6-31G
ABC
0.32615 0.31836 0.16110

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.102 0.308 0.000
C2 0.000 1.136 0.000
N3 1.122 0.468 0.000
C4 0.757 -0.891 0.000
C5 -0.600 -0.990 0.000
H6 -0.163 2.197 0.000
H7 1.493 -1.675 0.000
H8 -1.309 -1.795 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.37812.22982.21251.39192.10923.26602.1133
C21.37811.30532.16382.20841.07373.18223.2097
N32.22981.30531.40812.25612.15382.17493.3216
C42.21252.16381.40811.36003.22251.07482.2550
C51.39192.20842.25611.36003.21642.20191.0732
H62.10921.07372.15383.22253.21644.21084.1530
H73.26603.18222.17491.07482.20194.21082.8050
H82.11333.20973.32162.25501.07324.15302.8050

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.362 O1 C2 H6 118.160
O1 C5 C4 107.016 O1 C5 H8 117.440
C2 O1 C5 105.736 C2 N3 C4 105.714
N3 C2 H6 129.478 N3 C4 C5 109.173
N3 C4 H7 121.735 C4 C5 H8 135.544
C5 C4 H7 129.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.483      
2 C 0.232      
3 N -0.397      
4 C -0.085      
5 C 0.069      
6 H 0.232      
7 H 0.208      
8 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.135 -1.095 0.000 1.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.400 -1.171 0.000
y -1.171 -21.881 0.000
z 0.000 0.000 -29.841
Traceless
 xyz
x -6.539 -1.171 0.000
y -1.171 9.240 0.000
z 0.000 0.000 -2.701
Polar
3z2-r2-5.402
x2-y2-10.519
xy-1.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.668 0.011 0.000
y 0.011 6.408 0.000
z 0.000 0.000 2.270


<r2> (average value of r2) Å2
<r2> 77.168
(<r2>)1/2 8.785