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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-245.989672
Energy at 298.15K-245.994285
HF Energy-245.989672
Nuclear repulsion energy163.361352
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 B3PW91/6-31+G**
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 3194 0.44      
2 A' 3306 3174 0.79      
3 A' 3289 3157 2.73      
4 A' 1595 1532 17.03      
5 A' 1547 1485 29.62      
6 A' 1376 1321 3.22      
7 A' 1276 1225 0.24      
8 A' 1185 1138 26.54      
9 A' 1149 1103 9.94      
10 A' 1114 1069 2.59      
11 A' 1089 1046 44.42      
12 A' 927 890 19.29      
13 A' 914 877 14.03      
14 A" 877 842 2.64      
15 A" 838 805 29.76      
16 A" 762 731 38.02      
17 A" 663 637 27.80      
18 A" 625 600 4.65      

Unscaled Zero Point Vibrational Energy (zpe) 12927.9 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 12412.1 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 B3PW91/6-31+G**
ABC
0.33734 0.32312 0.16504

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.100 0.309 0.000
C2 0.000 1.099 0.000
N3 1.125 0.462 0.000
C4 0.754 -0.875 0.000
C5 -0.599 -0.963 0.000
H6 -0.168 2.165 0.000
H7 1.486 -1.669 0.000
H8 -1.318 -1.766 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35422.23072.20001.36702.07703.25632.0869
C21.35421.29292.11272.14641.07993.14113.1533
N32.23071.29291.38762.23642.13882.16073.3062
C42.20002.11271.38761.35563.17711.08012.2547
C51.36702.14642.23641.35563.15742.20191.0780
H62.07701.07992.13883.17713.15744.17564.0962
H73.25633.14112.16071.08012.20194.17562.8057
H82.08693.15333.30622.25471.07804.09622.8057

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.838 O1 C2 H6 116.696
O1 C5 C4 107.816 O1 C5 H8 116.703
C2 O1 C5 104.141 C2 N3 C4 103.979
N3 C2 H6 128.466 N3 C4 C5 109.226
N3 C4 H7 121.738 C4 C5 H8 135.482
C5 C4 H7 129.037
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.243      
2 C 0.116      
3 N -0.263      
4 C -0.129      
5 C -0.007      
6 H 0.176      
7 H 0.168      
8 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.355 -0.871 0.000 1.611
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.645 -1.311 0.000
y -1.311 -22.578 0.000
z 0.000 0.000 -30.128
Traceless
 xyz
x -5.292 -1.311 0.000
y -1.311 8.309 0.000
z 0.000 0.000 -3.017
Polar
3z2-r2-6.034
x2-y2-9.067
xy-1.311
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.723 0.126 0.000
y 0.126 7.180 0.000
z 0.000 0.000 3.973


<r2> (average value of r2) Å2
<r2> 75.878
(<r2>)1/2 8.711