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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-245.719562
Energy at 298.15K-245.724181
HF Energy-245.719562
Nuclear repulsion energy161.422151
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 HSEh1PBE/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 3248 0.46      
2 A' 3384 3237 1.96      
3 A' 3356 3210 2.24      
4 A' 1577 1509 6.58      
5 A' 1524 1458 24.64      
6 A' 1359 1300 9.37      
7 A' 1275 1219 0.18      
8 A' 1174 1123 15.78      
9 A' 1107 1059 2.01      
10 A' 1060 1014 18.88      
11 A' 1053 1007 29.83      
12 A' 920 880 1.88      
13 A' 914 875 45.24      
14 A" 922 882 2.32      
15 A" 848 811 36.65      
16 A" 799 764 35.53      
17 A" 669 640 28.48      
18 A" 627 600 11.27      

Unscaled Zero Point Vibrational Energy (zpe) 12980.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 12417.4 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 HSEh1PBE/6-31G
ABC
0.32602 0.31836 0.16107

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 1.121 0.468 0.000
C4 0.757 -0.892 0.000
C5 -0.599 -0.990 0.000
H6 -0.163 2.197 0.000
H7 1.493 -1.674 0.000
H8 -1.309 -1.795 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.37842.22932.21251.39232.10953.26592.1136
C21.37841.30522.16432.20921.07353.18253.2103
N32.22931.30521.40802.25592.15372.17473.3211
C42.21252.16431.40801.35993.22281.07472.2546
C51.39232.20922.25591.35993.21712.20161.0729
H62.10951.07352.15373.22283.21714.21094.1536
H73.26593.18252.17471.07472.20164.21092.8045
H82.11363.21033.32112.25461.07294.15362.8045

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.316 O1 C2 H6 118.184
O1 C5 C4 107.002 O1 C5 H8 117.455
C2 O1 C5 105.752 C2 N3 C4 105.762
N3 C2 H6 129.500 N3 C4 C5 109.167
N3 C4 H7 121.744 C4 C5 H8 135.544
C5 C4 H7 129.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.480      
2 C 0.230      
3 N -0.394      
4 C -0.083      
5 C 0.070      
6 H 0.229      
7 H 0.204      
8 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.129 -1.094 0.000 1.572
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.394 -1.168 0.000
y -1.168 -21.896 0.000
z 0.000 0.000 -29.814
Traceless
 xyz
x -6.539 -1.168 0.000
y -1.168 9.208 0.000
z 0.000 0.000 -2.669
Polar
3z2-r2-5.338
x2-y2-10.498
xy-1.168
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.672 0.011 0.000
y 0.011 6.422 0.000
z 0.000 0.000 2.267


<r2> (average value of r2) Å2
<r2> 77.175
(<r2>)1/2 8.785