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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HSEh1PBE/TZVP

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/TZVP
 hartrees
Energy at 0K-245.896273
Energy at 298.15K-245.900921
HF Energy-245.896273
Nuclear repulsion energy164.047904
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/TZVP
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' 3321 3189 0.54      
2 A' 3293 3162 1.00      
3 A' 3284 3153 2.71      
4 A' 1601 1537 16.73      
5 A' 1553 1491 26.97      
6 A' 1378 1323 3.56      
7 A' 1284 1232 0.29      
8 A' 1183 1136 24.10      
9 A' 1146 1101 12.84      
10 A' 1117 1073 5.48      
11 A' 1092 1049 41.89      
12 A' 940 903 18.48      
13 A' 924 887 17.30      
14 A" 880 845 1.25      
15 A" 848 815 27.15      
16 A" 772 742 34.49      
17 A" 670 643 27.68      
18 A" 631 606 4.64      

Unscaled Zero Point Vibrational Energy (zpe) 12960.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 12443.1 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/TZVP
ABC
0.33959 0.32646 0.16645

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.096 0.307 0.000
C2 0.000 1.094 0.000
N3 1.119 0.461 0.000
C4 0.750 -0.871 0.000
C5 -0.594 -0.960 0.000
H6 -0.167 2.159 0.000
H7 1.482 -1.662 0.000
H8 -1.310 -1.763 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34902.21992.18981.36242.07153.24372.0812
C21.34901.28502.10352.13791.07783.12903.1428
N32.21991.28501.38302.22582.12922.15423.2930
C42.18982.10351.38301.34713.16581.07742.2440
C51.36242.13792.22581.34713.14752.19181.0755
H62.07151.07782.12923.16583.14754.16134.0848
H73.24373.12902.15421.07742.19184.16132.7932
H82.08123.14283.29302.24401.07554.08482.7932

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.840 O1 C2 H6 116.763
O1 C5 C4 107.840 O1 C5 H8 116.737
C2 O1 C5 104.081 C2 N3 C4 104.013
N3 C2 H6 128.398 N3 C4 C5 109.225
N3 C4 H7 121.724 C4 C5 H8 135.423
C5 C4 H7 129.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.110      
2 C -0.034      
3 N -0.088      
4 C -0.170      
5 C -0.026      
6 H 0.143      
7 H 0.138      
8 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.339 -0.837 0.000 1.579
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.483 -1.279 0.000
y -1.279 -22.663 0.000
z 0.000 0.000 -29.961
Traceless
 xyz
x -5.171 -1.279 0.000
y -1.279 8.059 0.000
z 0.000 0.000 -2.888
Polar
3z2-r2-5.776
x2-y2-8.820
xy-1.279
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.402 0.077 0.000
y 0.077 6.973 0.000
z 0.000 0.000 3.765


<r2> (average value of r2) Å2
<r2> 75.350
(<r2>)1/2 8.680