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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-244.781948
Energy at 298.15K-244.786519
HF Energy-244.781948
Nuclear repulsion energy163.478612
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 LSDA/aug-cc-pVDZ
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' 3234 3198 0.87      
2 A' 3213 3176 3.63      
3 A' 3194 3158 3.18      
4 A' 1548 1531 15.95      
5 A' 1508 1491 22.31      
6 A' 1343 1327 2.08      
7 A' 1208 1195 0.75      
8 A' 1164 1151 24.06      
9 A' 1159 1146 2.49      
10 A' 1073 1061 2.22      
11 A' 1067 1055 38.16      
12 A' 910 900 21.28      
13 A' 895 885 13.05      
14 A" 847 837 2.82      
15 A" 799 790 22.87      
16 A" 733 724 36.82      
17 A" 660 652 28.48      
18 A" 624 617 4.23      

Unscaled Zero Point Vibrational Energy (zpe) 12589.0 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 12446.8 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 LSDA/aug-cc-pVDZ
ABC
0.33838 0.32351 0.16539

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.098 0.310 0.000
C2 0.000 1.099 0.000
N3 1.123 0.456 0.000
C4 0.755 -0.875 0.000
C5 -0.601 -0.958 0.000
H6 -0.170 2.180 0.000
H7 1.496 -1.680 0.000
H8 -1.331 -1.771 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35222.22662.19981.36212.08773.27002.0936
C21.35221.29432.11302.14251.09433.15613.1629
N32.22661.29431.38082.22972.15492.16843.3138
C42.19982.11301.38081.35833.19151.09452.2702
C51.36212.14252.22971.35833.16722.21781.0926
H62.08771.09432.15493.19153.16724.20414.1175
H73.27003.15612.16841.09452.21784.20412.8286
H82.09363.16293.31382.27021.09264.11752.8286

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.545 O1 C2 H6 116.765
O1 C5 C4 107.921 O1 C5 H8 116.629
C2 O1 C5 104.250 C2 N3 C4 104.301
N3 C2 H6 128.691 N3 C4 C5 108.982
N3 C4 H7 121.905 C4 C5 H8 135.450
C5 C4 H7 129.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.212      
2 C 0.355      
3 N -0.144      
4 C 0.267      
5 C 0.691      
6 H -0.268      
7 H -0.311      
8 H -0.378      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.387 -0.815 0.000 1.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.621 -1.314 0.000
y -1.314 -23.041 0.000
z 0.000 0.000 -30.291
Traceless
 xyz
x -4.955 -1.314 0.000
y -1.314 7.915 0.000
z 0.000 0.000 -2.960
Polar
3z2-r2-5.921
x2-y2-8.580
xy-1.314
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.192 0.171 0.000
y 0.171 8.062 -0.001
z 0.000 -0.001 4.551


<r2> (average value of r2) Å2
<r2> 75.979
(<r2>)1/2 8.717