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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-245.849807
Energy at 298.15K-245.854392
HF Energy-245.600765
Nuclear repulsion energy162.781116
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/6-31+G**
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' 3353 3193 0.51      
2 A' 3335 3176 0.90      
3 A' 3318 3160 2.55      
4 A' 1580 1505 9.88      
5 A' 1537 1464 35.88      
6 A' 1371 1305 4.23      
7 A' 1287 1226 0.23      
8 A' 1178 1122 26.29      
9 A' 1132 1078 8.94      
10 A' 1109 1056 8.02      
11 A' 1077 1026 43.16      
12 A' 921 877 20.54      
13 A' 913 870 13.57      
14 A" 856 816 3.11      
15 A" 829 789 35.27      
16 A" 748 713 32.93      
17 A" 657 626 28.24      
18 A" 616 586 4.15      

Unscaled Zero Point Vibrational Energy (zpe) 12907.2 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 12292.8 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 B2PLYP/6-31+G**
ABC
0.33470 0.32087 0.16382

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.105 0.310 0.000
C2 0.000 1.104 0.000
N3 1.128 0.463 0.000
C4 0.756 -0.879 0.000
C5 -0.600 -0.967 0.000
H6 -0.168 2.168 0.000
H7 1.487 -1.670 0.000
H8 -1.315 -1.770 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36052.23862.20821.37362.08043.26142.0904
C21.36051.29762.12202.15631.07673.14723.1603
N32.23861.29761.39302.24352.14122.16313.3102
C42.20822.12201.39301.35863.18341.07692.2545
C51.37362.15632.24351.35863.16432.20161.0750
H62.08041.07672.14123.18343.16434.17894.1009
H73.26143.14722.16311.07692.20164.17892.8036
H82.09043.16033.31022.25451.07504.10092.8036

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.720 O1 C2 H6 116.728
O1 C5 C4 107.848 O1 C5 H8 116.709
C2 O1 C5 104.121 C2 N3 C4 104.071
N3 C2 H6 128.551 N3 C4 C5 109.240
N3 C4 H7 121.756 C4 C5 H8 135.443
C5 C4 H7 129.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.294      
2 C 0.178      
3 N -0.301      
4 C -0.100      
5 C 0.027      
6 H 0.164      
7 H 0.156      
8 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.340 -0.904 0.000 1.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.263 -1.329 0.000
y -1.329 -22.969 0.000
z 0.000 0.000 -30.525
Traceless
 xyz
x -5.516 -1.329 0.000
y -1.329 8.425 0.000
z 0.000 0.000 -2.909
Polar
3z2-r2-5.817
x2-y2-9.294
xy-1.329
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.788 0.119 0.000
y 0.119 7.184 0.000
z 0.000 0.000 4.063


<r2> (average value of r2) Å2
<r2> 76.559
(<r2>)1/2 8.750