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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-245.830159
Energy at 298.15K-245.834807
HF Energy-245.830159
Nuclear repulsion energy163.481512
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 PBE1PBE/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' 3327 3199 0.46      
2 A' 3302 3176 0.92      
3 A' 3288 3162 2.78      
4 A' 1602 1540 14.18      
5 A' 1555 1496 27.33      
6 A' 1376 1323 3.10      
7 A' 1266 1218 0.30      
8 A' 1187 1141 24.72      
9 A' 1156 1112 9.47      
10 A' 1111 1069 2.92      
11 A' 1089 1047 39.51      
12 A' 933 897 19.26      
13 A' 917 882 13.37      
14 A" 882 848 1.16      
15 A" 852 819 24.54      
16 A" 766 737 38.31      
17 A" 669 643 26.76      
18 A" 631 607 4.86      

Unscaled Zero Point Vibrational Energy (zpe) 12953.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 12456.2 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 PBE1PBE/aug-cc-pVDZ
ABC
0.33789 0.32367 0.16531

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.099 0.310 0.000
C2 0.000 1.096 0.000
N3 1.125 0.461 0.000
C4 0.753 -0.875 0.000
C5 -0.599 -0.960 0.000
H6 -0.168 2.168 0.000
H7 1.487 -1.674 0.000
H8 -1.320 -1.768 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35162.22902.19921.36482.07823.25982.0895
C21.35161.29192.11042.14161.08443.14423.1537
N32.22901.29191.38642.23362.14102.16523.3080
C42.19922.11041.38641.35503.17911.08482.2575
C51.36482.14162.23361.35503.15712.20521.0829
H62.07821.08442.14103.17913.15714.18294.1007
H73.25983.14422.16521.08482.20524.18292.8090
H82.08953.15373.30802.25751.08294.10072.8090

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.948 O1 C2 H6 116.681
O1 C5 C4 107.917 O1 C5 H8 116.749
C2 O1 C5 104.073 C2 N3 C4 103.941
N3 C2 H6 128.370 N3 C4 C5 109.121
N3 C4 H7 121.887 C4 C5 H8 135.333
C5 C4 H7 128.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.451      
2 C 0.603      
3 N -0.482      
4 C 0.407      
5 C 0.746      
6 H -0.202      
7 H -0.274      
8 H -0.346      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.358 -0.791 0.000 1.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.435 -1.314 0.000
y -1.314 -22.798 0.000
z 0.000 0.000 -30.162
Traceless
 xyz
x -4.955 -1.314 0.000
y -1.314 8.001 0.000
z 0.000 0.000 -3.046
Polar
3z2-r2-6.092
x2-y2-8.637
xy-1.314
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.965 0.143 0.000
y 0.143 7.724 0.000
z 0.000 0.000 4.450


<r2> (average value of r2) Å2
<r2> 75.823
(<r2>)1/2 8.708