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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-244.725698
Energy at 298.15K-244.730545
HF Energy-244.725698
Nuclear repulsion energy165.699687
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 HF/daug-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' 3455 3125 0.80      
2 A' 3421 3094 0.62      
3 A' 3418 3092 3.68      
4 A' 1750 1583 32.42      
5 A' 1691 1530 30.72      
6 A' 1492 1350 13.14      
7 A' 1396 1263 0.11      
8 A' 1282 1160 39.55      
9 A' 1216 1100 16.97      
10 A' 1178 1065 16.01      
11 A' 1152 1042 41.68      
12 A' 1010 914 13.80      
13 A' 989 894 23.31      
14 A" 1029 931 2.71      
15 A" 1004 908 7.86      
16 A" 875 792 49.51      
17 A" 708 640 31.90      
18 A" 669 605 12.56      

Unscaled Zero Point Vibrational Energy (zpe) 13867.2 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 12544.3 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 HF/daug-cc-pVTZ
ABC
0.34354 0.33565 0.16978

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.076 0.310 0.000
C2 0.000 1.084 0.000
N3 1.103 0.464 0.000
C4 0.737 -0.875 0.000
C5 -0.590 -0.952 0.000
H6 -0.156 2.140 0.000
H7 1.458 -1.661 0.000
H8 -1.294 -1.751 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.32542.18452.16631.35242.04843.21052.0729
C21.32541.26502.09302.11971.06803.10793.1163
N32.18451.26501.38832.20742.09642.15453.2637
C42.16632.09301.38831.32983.14491.06642.2118
C51.35242.11972.20741.32983.12272.16761.0647
H62.04841.06802.09643.14493.12274.12984.0544
H73.21053.10792.15451.06642.16764.12982.7532
H82.07293.11633.26372.21181.06474.05442.7532

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.958 O1 C2 H6 117.300
O1 C5 C4 107.733 O1 C5 H8 117.602
C2 O1 C5 104.662 C2 N3 C4 104.056
N3 C2 H6 127.743 N3 C4 C5 108.592
N3 C4 H7 122.195 C4 C5 H8 134.665
C5 C4 H7 129.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.438      
2 C -0.307      
3 N -1.640      
4 C -0.216      
5 C -0.882      
6 H 1.566      
7 H 1.000      
8 H 0.917      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.360 -0.739 0.000 1.548
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.656 -1.404 0.000
y -1.404 -22.663 0.000
z 0.000 0.000 -30.208
Traceless
 xyz
x -5.220 -1.404 0.000
y -1.404 8.269 0.000
z 0.000 0.000 -3.048
Polar
3z2-r2-6.097
x2-y2-8.993
xy-1.404
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.591 0.084 0.000
y 0.084 7.055 0.000
z 0.000 0.000 4.326


<r2> (average value of r2) Å2
<r2> 74.317
(<r2>)1/2 8.621