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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HSEh1PBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-245.902671
Energy at 298.15K-245.907336
HF Energy-245.902671
Nuclear repulsion energy164.177586
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/cc-pVTZ
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' 3312 3183 0.46      
2 A' 3283 3155 0.58      
3 A' 3275 3148 2.61      
4 A' 1601 1538 15.66      
5 A' 1553 1493 24.04      
6 A' 1378 1324 3.65      
7 A' 1278 1228 0.19      
8 A' 1186 1140 23.56      
9 A' 1150 1105 11.18      
10 A' 1117 1073 5.42      
11 A' 1092 1050 35.85      
12 A' 936 899 17.96      
13 A' 921 885 17.52      
14 A" 898 863 0.92      
15 A" 859 826 20.91      
16 A" 778 748 35.93      
17 A" 673 647 26.49      
18 A" 637 612 5.18      

Unscaled Zero Point Vibrational Energy (zpe) 12962.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 12458.1 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/cc-pVTZ
ABC
0.34030 0.32681 0.16671

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.096 0.308 0.000
C2 0.000 1.092 0.000
N3 1.119 0.460 0.000
C4 0.749 -0.871 0.000
C5 -0.594 -0.957 0.000
H6 -0.167 2.156 0.000
H7 1.479 -1.663 0.000
H8 -1.309 -1.760 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34732.22032.18971.36092.06823.24252.0787
C21.34731.28482.10082.13321.07723.12633.1375
N32.22031.28481.38192.22372.12802.15353.2900
C42.18972.10081.38191.34623.16251.07672.2417
C51.36092.13322.22371.34623.14212.18991.0747
H62.06821.07722.12803.16253.14214.15824.0787
H73.24253.12632.15351.07672.18994.15822.7893
H82.07873.13753.29002.24171.07474.07872.7893

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.011 O1 C2 H6 116.645
O1 C5 C4 107.970 O1 C5 H8 116.692
C2 O1 C5 103.931 C2 N3 C4 103.897
N3 C2 H6 128.344 N3 C4 C5 109.190
N3 C4 H7 121.814 C4 C5 H8 135.338
C5 C4 H7 128.995
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.141      
2 C 0.062      
3 N -0.185      
4 C -0.126      
5 C -0.021      
6 H 0.133      
7 H 0.131      
8 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.334 -0.765 0.000 1.538
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.953 -1.248 0.000
y -1.248 -22.630 0.000
z 0.000 0.000 -29.757
Traceless
 xyz
x -4.759 -1.248 0.000
y -1.248 7.725 0.000
z 0.000 0.000 -2.965
Polar
3z2-r2-5.931
x2-y2-8.323
xy-1.248
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.322 0.068 0.000
y 0.068 7.119 0.000
z 0.000 0.000 3.649


<r2> (average value of r2) Å2
<r2> 75.099
(<r2>)1/2 8.666