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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-246.017523
Energy at 298.15K-246.022015
HF Energy-246.017523
Nuclear repulsion energy161.749062
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 BLYP/6-31G(2df,p)
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' 3225 3208 0.97      
2 A' 3205 3187 0.35      
3 A' 3188 3170 2.91      
4 A' 1508 1500 7.22      
5 A' 1468 1460 21.56      
6 A' 1305 1297 4.85      
7 A' 1236 1229 0.33      
8 A' 1125 1119 12.29      
9 A' 1080 1074 4.68      
10 A' 1042 1037 24.12      
11 A' 1031 1026 17.56      
12 A' 892 887 22.89      
13 A' 886 881 13.46      
14 A" 823 819 6.70      
15 A" 787 782 19.97      
16 A" 725 721 16.95      
17 A" 648 644 17.89      
18 A" 608 605 2.99      

Unscaled Zero Point Vibrational Energy (zpe) 12390.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 12322.1 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 BLYP/6-31G(2df,p)
ABC
0.33136 0.31601 0.16175

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.113 0.311 0.000
C2 0.000 1.108 0.000
N3 1.136 0.466 0.000
C4 0.761 -0.883 0.000
C5 -0.602 -0.971 0.000
H6 -0.172 2.179 0.000
H7 1.498 -1.680 0.000
H8 -1.326 -1.776 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36922.25472.22271.38042.09173.28362.0979
C21.36921.30512.13192.16461.08483.16473.1743
N32.25471.30511.40012.25532.15572.17583.3298
C42.22272.13191.40011.36633.20141.08492.2702
C51.38042.16462.25531.36633.17942.21641.0825
H62.09171.08482.15573.20143.17944.20474.1200
H73.28363.16472.17581.08492.21644.20472.8256
H82.09793.17433.32982.27021.08254.12002.8256

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.920 O1 C2 H6 116.468
O1 C5 C4 108.046 O1 C5 H8 116.300
C2 O1 C5 103.864 C2 N3 C4 103.956
N3 C2 H6 128.613 N3 C4 C5 109.215
N3 C4 H7 121.707 C4 C5 H8 135.654
C5 C4 H7 129.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.093      
2 C 0.077      
3 N -0.238      
4 C -0.085      
5 C -0.029      
6 H 0.134      
7 H 0.107      
8 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.261 -0.753 0.000 1.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.595 -1.156 0.000
y -1.156 -22.797 0.000
z 0.000 0.000 -29.130
Traceless
 xyz
x -4.632 -1.156 0.000
y -1.156 7.066 0.000
z 0.000 0.000 -2.434
Polar
3z2-r2-4.867
x2-y2-7.799
xy-1.156
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.053 0.042 0.000
y 0.042 7.077 0.000
z 0.000 0.000 2.972


<r2> (average value of r2) Å2
<r2> 76.626
(<r2>)1/2 8.754