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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-245.850720
Energy at 298.15K-245.855334
HF Energy-245.605114
Nuclear repulsion energy162.624009
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 B2PLYP/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' 3329 3189 0.49      
2 A' 3307 3167 0.39      
3 A' 3291 3152 2.35      
4 A' 1576 1510 8.48      
5 A' 1538 1473 27.21      
6 A' 1359 1302 3.51      
7 A' 1266 1213 0.34      
8 A' 1167 1118 24.13      
9 A' 1136 1088 8.51      
10 A' 1101 1054 6.00      
11 A' 1078 1032 35.15      
12 A' 924 885 20.89      
13 A' 914 875 14.60      
14 A" 868 832 1.19      
15 A" 835 800 24.05      
16 A" 760 728 26.30      
17 A" 666 638 22.60      
18 A" 628 602 4.59      

Unscaled Zero Point Vibrational Energy (zpe) 12871.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 12327.1 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 B2PLYP/cc-pVDZ
ABC
0.33543 0.31914 0.16354

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.108 0.311 0.000
C2 0.000 1.098 0.000
N3 1.134 0.464 0.000
C4 0.758 -0.878 0.000
C5 -0.602 -0.963 0.000
H6 -0.171 2.171 0.000
H7 1.494 -1.677 0.000
H8 -1.326 -1.771 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35962.24722.21271.37102.08333.27472.0936
C21.35961.29932.11662.14801.08633.15223.1611
N32.24721.29931.39312.24742.14872.17123.3232
C42.21272.11661.39311.36313.18731.08652.2671
C51.37102.14802.24741.36313.16422.21431.0843
H62.08331.08632.14873.18733.16424.19314.1083
H73.27473.15222.17121.08652.21434.19312.8207
H82.09363.16113.32322.26711.08434.10832.8207

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.361 O1 C2 H6 116.361
O1 C5 C4 108.055 O1 C5 H8 116.521
C2 O1 C5 103.743 C2 N3 C4 103.595
N3 C2 H6 128.278 N3 C4 C5 109.245
N3 C4 H7 121.742 C4 C5 H8 135.424
C5 C4 H7 129.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.178      
2 C 0.196      
3 N -0.208      
4 C 0.016      
5 C 0.089      
6 H 0.042      
7 H 0.016      
8 H 0.027      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.279 -0.735 0.000 1.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.921 -1.127 0.000
y -1.127 -22.906 0.000
z 0.000 0.000 -29.712
Traceless
 xyz
x -4.612 -1.127 0.000
y -1.127 7.411 0.000
z 0.000 0.000 -2.799
Polar
3z2-r2-5.598
x2-y2-8.015
xy-1.127
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.814 0.012 0.000
y 0.012 6.741 0.000
z 0.000 0.000 2.731


<r2> (average value of r2) Å2
<r2> 76.235
(<r2>)1/2 8.731