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All results from a given calculation for C4H7NO (Oxazole, 4,5-dihydro-2-methyl-)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-284.920818
Energy at 298.15K-284.930081
Nuclear repulsion energy243.504386
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 HF/6-311G**
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 3297 2995 11.42      
2 A 3217 2922 64.68      
3 A 3191 2899 58.16      
4 A 3186 2895 14.98      
5 A 1927 1751 233.78      
6 A 1662 1510 2.61      
7 A 1634 1485 0.15      
8 A 1595 1449 8.26      
9 A 1552 1410 57.72      
10 A 1510 1372 6.85      
11 A 1470 1335 22.58      
12 A 1365 1240 135.69      
13 A 1192 1083 8.80      
14 A 1140 1036 108.51      
15 A 1080 981 0.85      
16 A 1031 937 36.64      
17 A 992 901 16.82      
18 A 828 753 7.06      
19 A 702 638 3.20      
20 A 373 339 6.51      
21 A 3262 2963 66.80      
22 A 3244 2947 17.09      
23 A 3217 2923 15.57      
24 A 1593 1447 8.38      
25 A 1355 1231 0.00      
26 A 1327 1206 4.51      
27 A 1223 1112 0.12      
28 A 1161 1055 3.16      
29 A 897 815 1.44      
30 A 661 600 9.22      
31 A 258 234 11.41      
32 A 160 145 1.07      
33 A 72 65 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 25687.4 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 23337.0 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 HF/6-311G**
ABC
0.26589 0.11593 0.08450

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.342 2.118 0.000
C2 0.541 -1.490 0.000
C3 -0.987 -1.278 0.000
N4 -1.145 0.172 0.000
O5 1.055 -0.164 0.000
C6 0.000 0.668 0.000
H7 0.907 -2.000 0.881
H8 0.907 -2.000 -0.881
H9 -1.465 -1.704 0.875
H10 -1.465 -1.704 -0.875
H11 0.936 2.352 0.877
H12 0.936 2.352 -0.877
H13 -0.564 2.706 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.61283.64572.44862.39061.48924.24894.24894.31664.31661.08491.08491.0799
C23.61281.54232.36681.42202.22451.08221.08222.19872.19873.96023.96024.3386
C33.64571.54231.45782.32592.18142.20992.20991.08441.08444.19994.19994.0057
N42.44862.36681.45782.22541.24763.11483.11482.09432.09433.13883.13882.5999
O52.39061.42202.32592.22541.34392.04232.04233.08033.08032.66692.66693.2952
C61.48922.22452.18141.24761.34392.95282.95282.92192.92192.11672.11672.1144
H74.24891.08222.20993.11482.04232.95281.76252.38982.96574.35244.69405.0087
H84.24891.08222.20993.11482.04232.95281.76252.96572.38984.69404.35245.0087
H94.31662.19871.08442.09433.08032.92192.38982.96571.74984.71345.02834.5852
H104.31662.19871.08442.09433.08032.92192.96572.38981.74985.02834.71344.5852
H111.08493.96024.19993.13882.66692.11674.35244.69404.71345.02831.75321.7732
H121.08493.96024.19993.13882.66692.11674.69404.35245.02834.71341.75321.7732
H131.07994.33864.00572.59993.29522.11445.00875.00874.58524.58521.77321.7732

picture of Oxazole, 4,5-dihydro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C6 N4 126.706 C1 C6 O5 114.990
C2 C3 N4 104.130 C2 C3 H9 112.494
C2 C3 H10 112.494 C2 O5 C6 107.048
C3 C2 O5 103.297 C3 C2 H7 113.552
C3 C2 H8 113.552 C3 N4 C6 107.221
N4 C3 H9 110.074 N4 C3 H10 110.074
N4 C6 O5 118.304 O5 C2 H7 108.524
O5 C2 H8 108.524 C6 C1 H11 109.636
C6 C1 H12 109.636 C6 C1 H13 109.745
H7 C2 H8 109.049 H9 C3 H10 107.567
H11 C1 H12 107.810 H11 C1 H13 109.993
H12 C1 H13 109.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.195      
2 C 0.056      
3 C -0.079      
4 N -0.447      
5 O -0.453      
6 C 0.349      
7 H 0.101      
8 H 0.101      
9 H 0.105      
10 H 0.105      
11 H 0.115      
12 H 0.115      
13 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.021 -0.977 0.000 1.413
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.727 1.927 0.000
y 1.927 -29.660 0.000
z 0.000 0.000 -35.226
Traceless
 xyz
x -9.284 1.927 0.000
y 1.927 8.816 0.000
z 0.000 0.000 0.468
Polar
3z2-r20.935
x2-y2-12.066
xy1.927
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.244 0.735 0.000
y 0.735 8.452 0.000
z 0.000 0.000 5.609


<r2> (average value of r2) Å2
<r2> 146.508
(<r2>)1/2 12.104