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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-246.000570
Energy at 298.15K-246.005021
HF Energy-246.000570
Nuclear repulsion energy161.344810
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 BLYP/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' 3235 3209 1.09      
2 A' 3217 3190 0.64      
3 A' 3195 3169 4.07      
4 A' 1522 1510 6.37      
5 A' 1478 1466 24.96      
6 A' 1315 1305 4.92      
7 A' 1243 1233 0.23      
8 A' 1128 1119 12.49      
9 A' 1084 1075 6.05      
10 A' 1044 1035 17.05      
11 A' 1033 1025 27.15      
12 A' 888 881 19.72      
13 A' 882 875 16.69      
14 A" 818 811 5.99      
15 A" 770 764 24.21      
16 A" 708 703 15.53      
17 A" 645 639 18.65      
18 A" 604 599 2.85      

Unscaled Zero Point Vibrational Energy (zpe) 12403.8 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 12303.4 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 BLYP/6-31G*
ABC
0.33013 0.31405 0.16095

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.117 0.311 0.000
C2 0.000 1.110 0.000
N3 1.139 0.468 0.000
C4 0.763 -0.883 0.000
C5 -0.603 -0.974 0.000
H6 -0.172 2.184 0.000
H7 1.504 -1.680 0.000
H8 -1.327 -1.783 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.37342.26182.22751.38412.09773.29172.1045
C21.37341.30762.13382.16951.08763.16933.1827
N32.26181.30761.40182.26172.15962.17843.3390
C42.22752.13381.40181.36983.20591.08812.2763
C51.38412.16952.26171.36983.18712.22251.0855
H62.09771.08762.15963.20593.18714.21154.1315
H73.29173.16932.17841.08812.22254.21152.8333
H82.10453.18273.33902.27631.08554.13152.8333

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.029 O1 C2 H6 116.463
O1 C5 C4 107.969 O1 C5 H8 116.380
C2 O1 C5 103.770 C2 N3 C4 103.861
N3 C2 H6 128.508 N3 C4 C5 109.371
N3 C4 H7 121.552 C4 C5 H8 135.651
C5 C4 H7 129.076
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.350      
2 C 0.238      
3 N -0.374      
4 C -0.014      
5 C 0.076      
6 H 0.153      
7 H 0.128      
8 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.241 -0.807 0.000 1.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.760 -1.130 0.000
y -1.130 -22.660 0.000
z 0.000 0.000 -29.298
Traceless
 xyz
x -4.781 -1.130 0.000
y -1.130 7.369 0.000
z 0.000 0.000 -2.588
Polar
3z2-r2-5.176
x2-y2-8.100
xy-1.130
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.884 0.033 0.000
y 0.033 6.835 0.000
z 0.000 0.000 2.509


<r2> (average value of r2) Å2
<r2> 76.961
(<r2>)1/2 8.773