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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-245.794508
Energy at 298.15K-245.799007
HF Energy-245.794508
Nuclear repulsion energy162.064606
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/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' 3245 3201 0.43      
2 A' 3224 3179 0.22      
3 A' 3205 3161 2.70      
4 A' 1537 1516 8.66      
5 A' 1497 1476 23.90      
6 A' 1329 1311 3.47      
7 A' 1235 1218 0.32      
8 A' 1138 1122 18.89      
9 A' 1117 1102 5.67      
10 A' 1071 1057 3.94      
11 A' 1056 1042 35.11      
12 A' 894 882 20.03      
13 A' 883 871 14.10      
14 A" 826 815 5.26      
15 A" 780 769 27.09      
16 A" 719 709 19.05      
17 A" 649 640 19.77      
18 A" 610 602 2.54      

Unscaled Zero Point Vibrational Energy (zpe) 12507.6 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 12336.3 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/6-31G**
ABC
0.33387 0.31626 0.16241

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.114 0.311 0.000
C2 0.000 1.102 0.000
N3 1.138 0.464 0.000
C4 0.761 -0.878 0.000
C5 -0.603 -0.967 0.000
H6 -0.171 2.176 0.000
H7 1.500 -1.677 0.000
H8 -1.327 -1.776 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36662.25742.22021.37592.09053.28392.0975
C21.36661.30432.12102.15481.08813.15803.1693
N32.25741.30431.39412.25382.15542.17203.3311
C42.22022.12101.39411.36713.19351.08832.2733
C51.37592.15482.25381.36713.17272.21951.0859
H62.09051.08812.15543.19353.17274.20044.1180
H73.28393.15802.17201.08832.21954.20042.8286
H82.09753.16933.33112.27331.08594.11802.8286

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.359 O1 C2 H6 116.314
O1 C5 C4 108.079 O1 C5 H8 116.370
C2 O1 C5 103.572 C2 N3 C4 103.580
N3 C2 H6 128.327 N3 C4 C5 109.410
N3 C4 H7 121.586 C4 C5 H8 135.551
C5 C4 H7 129.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.354      
2 C 0.268      
3 N -0.396      
4 C -0.002      
5 C 0.088      
6 H 0.142      
7 H 0.120      
8 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.299 -0.788 0.000 1.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.586 -1.148 0.000
y -1.148 -22.475 0.000
z 0.000 0.000 -29.348
Traceless
 xyz
x -4.675 -1.148 0.000
y -1.148 7.492 0.000
z 0.000 0.000 -2.817
Polar
3z2-r2-5.635
x2-y2-8.111
xy-1.148
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.897 0.042 0.000
y 0.042 6.843 0.000
z 0.000 0.000 2.564


<r2> (average value of r2) Å2
<r2> 76.390
(<r2>)1/2 8.740