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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-245.789822
Energy at 298.15K-245.794303
HF Energy-245.789822
Nuclear repulsion energy162.060181
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 PBEPBEultrafine/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' 3247 3194 0.62      
2 A' 3228 3174 0.35      
3 A' 3207 3155 3.13      
4 A' 1538 1513 9.18      
5 A' 1498 1473 23.76      
6 A' 1331 1309 3.65      
7 A' 1238 1217 0.30      
8 A' 1140 1121 19.41      
9 A' 1118 1100 5.94      
10 A' 1073 1055 4.16      
11 A' 1057 1039 34.92      
12 A' 895 880 19.90      
13 A' 884 869 14.42      
14 A" 821 807 6.43      
15 A" 774 762 27.09      
16 A" 713 701 19.10      
17 A" 650 639 19.79      
18 A" 611 601 2.45      

Unscaled Zero Point Vibrational Energy (zpe) 12511.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 12305.0 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 PBEPBEultrafine/6-31G*
ABC
0.33398 0.31614 0.16241

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.115 0.311 0.000
C2 0.000 1.101 0.000
N3 1.138 0.464 0.000
C4 0.761 -0.878 0.000
C5 -0.603 -0.967 0.000
H6 -0.173 2.176 0.000
H7 1.502 -1.677 0.000
H8 -1.329 -1.775 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36652.25802.22051.37582.09013.28542.0968
C21.36651.30422.12032.15401.08893.15783.1687
N32.25801.30421.39412.25392.15602.17183.3323
C42.22052.12031.39411.36723.19361.08932.2750
C51.37582.15402.25391.36723.17232.22131.0868
H62.09011.08892.15603.19363.17234.20104.1173
H73.28543.15782.17181.08932.22134.20102.8327
H82.09683.16873.33232.27501.08684.11732.8327

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.425 O1 C2 H6 116.235
O1 C5 C4 108.097 O1 C5 H8 116.247
C2 O1 C5 103.527 C2 N3 C4 103.537
N3 C2 H6 128.340 N3 C4 C5 109.414
N3 C4 H7 121.490 C4 C5 H8 135.656
C5 C4 H7 129.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.342      
2 C 0.214      
3 N -0.380      
4 C -0.052      
5 C 0.042      
6 H 0.182      
7 H 0.161      
8 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.303 -0.791 0.000 1.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.556 -1.150 0.000
y -1.150 -22.464 0.000
z 0.000 0.000 -29.389
Traceless
 xyz
x -4.630 -1.150 0.000
y -1.150 7.508 0.000
z 0.000 0.000 -2.878
Polar
3z2-r2-5.757
x2-y2-8.092
xy-1.150
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.866 0.042 0.000
y 0.042 6.786 0.000
z 0.000 0.000 2.535


<r2> (average value of r2) Å2
<r2> 76.395
(<r2>)1/2 8.740