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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-246.165800
Energy at 298.15K-246.170431
HF Energy-246.165800
Nuclear repulsion energy163.535636
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 B3LYPultrafine/aug-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' 3295 3188 0.41      
2 A' 3268 3162 0.88      
3 A' 3258 3152 2.47      
4 A' 1574 1523 12.17      
5 A' 1525 1475 29.30      
6 A' 1358 1314 4.06      
7 A' 1278 1236 0.11      
8 A' 1162 1125 18.21      
9 A' 1116 1080 11.96      
10 A' 1095 1059 14.17      
11 A' 1068 1033 33.97      
12 A' 927 897 18.45      
13 A' 915 885 17.18      
14 A" 892 863 1.31      
15 A" 849 821 22.41      
16 A" 770 745 36.56      
17 A" 666 644 25.98      
18 A" 627 607 6.02      

Unscaled Zero Point Vibrational Energy (zpe) 12820.5 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 12403.8 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.33661 0.32511 0.16538

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.098 0.309 0.000
C2 0.000 1.102 0.000
N3 1.119 0.463 0.000
C4 0.752 -0.877 0.000
C5 -0.595 -0.965 0.000
H6 -0.166 2.164 0.000
H7 1.482 -1.666 0.000
H8 -1.307 -1.768 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35452.22242.19681.36932.07663.24872.0867
C21.35451.28862.11622.15031.07583.13943.1529
N32.22241.28861.38882.23042.13272.15953.2954
C42.19682.11621.38881.34913.17661.07532.2430
C51.36932.15032.23041.34913.15852.19141.0732
H62.07661.07582.13273.17663.15854.17004.0941
H73.24873.13942.15951.07532.19144.17002.7902
H82.08673.15293.29542.24301.07324.09412.7902

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.437 O1 C2 H6 116.939
O1 C5 C4 107.822 O1 C5 H8 116.849
C2 O1 C5 104.267 C2 N3 C4 104.383
N3 C2 H6 128.625 N3 C4 C5 109.092
N3 C4 H7 121.904 C4 C5 H8 135.329
C5 C4 H7 129.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.290      
2 C -0.238      
3 N -0.458      
4 C -0.213      
5 C -0.323      
6 H 0.547      
7 H 0.464      
8 H 0.512      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.306 -0.814 0.000 1.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.764 -1.314 0.000
y -1.314 -23.072 0.000
z 0.000 0.000 -30.120
Traceless
 xyz
x -5.168 -1.314 0.000
y -1.314 7.870 0.000
z 0.000 0.000 -2.702
Polar
3z2-r2-5.404
x2-y2-8.692
xy-1.314
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.047 0.139 0.000
y 0.139 7.804 0.000
z 0.000 0.000 4.507


<r2> (average value of r2) Å2
<r2> 75.869
(<r2>)1/2 8.710