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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-286.583642
Energy at 298.15K-286.592601
HF Energy-286.583642
Nuclear repulsion energy241.854287
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 wB97X-D/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' 3182 3044 5.47      
2 A' 3085 2950 53.10      
3 A' 3070 2936 43.42      
4 A' 3065 2931 9.10      
5 A' 1784 1706 164.06      
6 A' 1542 1475 4.31      
7 A' 1517 1451 0.25      
8 A' 1479 1414 9.73      
9 A' 1432 1370 64.99      
10 A' 1388 1328 8.79      
11 A' 1353 1294 6.12      
12 A' 1273 1218 106.75      
13 A' 1104 1056 3.62      
14 A' 1051 1005 96.14      
15 A' 1007 963 0.65      
16 A' 963 921 22.29      
17 A' 930 890 19.57      
18 A' 769 736 5.69      
19 A' 672 643 2.42      
20 A' 355 339 6.09      
21 A" 3136 2999 47.74      
22 A" 3133 2997 8.22      
23 A" 3104 2969 6.14      
24 A" 1482 1417 10.84      
25 A" 1258 1203 0.13      
26 A" 1231 1177 2.33      
27 A" 1130 1081 0.02      
28 A" 1068 1021 3.44      
29 A" 845 808 0.22      
30 A" 605 579 4.93      
31 A" 242 232 10.99      
32 A" 121 116 1.22      
33 A" 74 70 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24223.4 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 23169.7 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 wB97X-D/6-311G**
ABC
0.26069 0.11510 0.08359

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.338 2.124 0.000
C2 0.541 -1.500 0.000
C3 -0.985 -1.285 0.000
N4 -1.160 0.171 0.000
O5 1.072 -0.161 0.000
C6 0.000 0.676 0.000
H7 0.911 -2.011 0.890
H8 0.911 -2.011 -0.890
H9 -1.467 -1.714 0.882
H10 -1.467 -1.714 -0.882
H11 0.934 2.366 0.882
H12 0.934 2.366 -0.882
H13 -0.578 2.711 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.62933.65642.46042.39971.48634.26854.26854.33194.33191.09221.09221.0880
C23.62931.54172.38471.44072.24251.09121.09122.20392.20393.98493.98494.3570
C33.65641.54171.46672.34492.19492.21732.21731.09291.09294.21834.21834.0165
N42.46042.38471.46672.25681.26493.13763.13762.10442.10443.15923.15922.6052
O52.39971.44072.34492.25681.36042.05992.05993.10493.10492.68012.68013.3123
C61.48632.24252.19491.26491.36042.97412.97412.94032.94032.12292.12292.1152
H74.26851.09122.21733.13762.05992.97411.78032.39642.98064.37774.72285.0309
H84.26851.09122.21733.13762.05992.97411.78032.98062.39644.72284.37775.0309
H94.33192.20391.09292.10443.10492.94032.39642.98061.76444.73465.05264.5989
H104.33192.20391.09292.10443.10492.94032.98062.39641.76445.05264.73464.5989
H111.09223.98494.21833.15922.68012.12294.37774.72284.73465.05261.76441.7846
H121.09223.98494.21833.15922.68012.12294.72284.37775.05264.73461.76441.7846
H131.08804.35704.01652.60523.31232.11525.03095.03094.59894.59891.78461.7846

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 126.654 C1 C6 O5 114.843
C2 C3 N4 104.843 C2 C3 H9 112.429
C2 C3 H10 112.429 C2 O5 C6 106.334
C3 C2 O5 103.623 C3 C2 H7 113.632
C3 C2 H8 113.632 C3 N4 C6 106.698
N4 C3 H9 109.734 N4 C3 H10 109.734
N4 C6 O5 118.503 O5 C2 H7 108.104
O5 C2 H8 108.104 C6 C1 H11 109.896
C6 C1 H12 109.896 C6 C1 H13 109.532
H7 C2 H8 109.331 H9 C3 H10 107.644
H11 C1 H12 107.744 H11 C1 H13 109.875
H12 C1 H13 109.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.286      
2 C -0.054      
3 C -0.171      
4 N -0.341      
5 O -0.337      
6 C 0.231      
7 H 0.130      
8 H 0.130      
9 H 0.133      
10 H 0.133      
11 H 0.141      
12 H 0.141      
13 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.987 -0.960 0.000 1.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.047 1.844 0.000
y 1.844 -29.533 0.000
z 0.000 0.000 -35.000
Traceless
 xyz
x -8.780 1.844 0.000
y 1.844 8.490 0.000
z 0.000 0.000 0.290
Polar
3z2-r20.580
x2-y2-11.513
xy1.844
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.657 0.679 0.000
y 0.679 9.134 0.000
z 0.000 0.000 5.864


<r2> (average value of r2) Å2
<r2> 147.618
(<r2>)1/2 12.150