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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-245.914043
Energy at 298.15K-245.918666
HF Energy-245.914043
Nuclear repulsion energy161.471296
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 mPW1PW91/6-31G
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' 3402 3220 0.45      
2 A' 3390 3209 1.90      
3 A' 3361 3181 2.21      
4 A' 1580 1495 6.54      
5 A' 1526 1444 24.57      
6 A' 1362 1289 9.51      
7 A' 1279 1210 0.21      
8 A' 1177 1114 15.66      
9 A' 1107 1048 2.01      
10 A' 1063 1006 19.13      
11 A' 1054 998 30.39      
12 A' 920 871 1.56      
13 A' 915 866 45.48      
14 A" 925 875 2.31      
15 A" 851 805 36.77      
16 A" 801 758 36.25      
17 A" 669 633 28.53      
18 A" 627 594 11.44      

Unscaled Zero Point Vibrational Energy (zpe) 13003.1 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 12308.7 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 mPW1PW91/6-31G
ABC
0.32617 0.31856 0.16116

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.102 0.308 0.000
C2 0.000 1.136 0.000
N3 1.121 0.469 0.000
C4 0.756 -0.891 0.000
C5 -0.599 -0.990 0.000
H6 -0.163 2.196 0.000
H7 1.492 -1.673 0.000
H8 -1.308 -1.794 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.37802.22852.21161.39212.10823.26382.1123
C21.37801.30482.16412.20911.07223.18093.2088
N32.22851.30481.40812.25562.15222.17373.3196
C42.21162.16411.40811.35933.22131.07342.2530
C51.39212.20912.25561.35933.21572.20001.0717
H62.10821.07222.15223.22133.21574.20814.1510
H73.26383.18092.17371.07342.20004.20812.8024
H82.11233.20883.31962.25301.07174.15102.8024

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.303 O1 C2 H6 118.192
O1 C5 C4 106.990 O1 C5 H8 117.456
C2 O1 C5 105.776 C2 N3 C4 105.758
N3 C2 H6 129.504 N3 C4 C5 109.173
N3 C4 H7 121.737 C4 C5 H8 135.554
C5 C4 H7 129.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.485      
2 C 0.233      
3 N -0.397      
4 C -0.084      
5 C 0.071      
6 H 0.231      
7 H 0.207      
8 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.127 -1.101 0.000 1.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.357 -1.171 0.000
y -1.171 -21.808 0.000
z 0.000 0.000 -29.768
Traceless
 xyz
x -6.569 -1.171 0.000
y -1.171 9.255 0.000
z 0.000 0.000 -2.686
Polar
3z2-r2-5.371
x2-y2-10.549
xy-1.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.660 0.010 0.000
y 0.010 6.392 0.000
z 0.000 0.000 2.267


<r2> (average value of r2) Å2
<r2> 77.101
(<r2>)1/2 8.781