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

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-286.614279
Energy at 298.15K-286.623197
Nuclear repulsion energy240.531976
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 B3LYP/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 3177 3053 5.55      
2 A 3065 2945 51.46      
3 A 3061 2941 9.05      
4 A 3049 2929 45.49      
5 A 1754 1685 137.60      
6 A 1542 1481 1.05      
7 A 1516 1457 0.36      
8 A 1491 1433 8.33      
9 A 1429 1373 36.03      
10 A 1386 1331 14.80      
11 A 1343 1291 15.77      
12 A 1255 1206 103.65      
13 A 1086 1044 1.71      
14 A 1017 977 92.71      
15 A 983 944 2.44      
16 A 948 910 22.06      
17 A 910 875 17.76      
18 A 759 729 5.46      
19 A 662 636 2.35      
20 A 348 334 5.73      
21 A 3120 2998 9.72      
22 A 3113 2991 47.23      
23 A 3078 2957 8.58      
24 A 1489 1431 8.04      
25 A 1251 1202 0.07      
26 A 1219 1171 1.45      
27 A 1125 1081 0.00      
28 A 1067 1025 3.79      
29 A 834 801 0.28      
30 A 593 570 5.96      
31 A 237 228 9.93      
32 A 140 135 1.04      
33 A 80 77 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24063.1 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 23119.8 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 B3LYP/6-31G**
ABC
0.25748 0.11396 0.08266

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.338 2.132 0.000
C2 0.545 -1.506 0.000
C3 -0.992 -1.288 0.000
N4 -1.169 0.172 0.000
O5 1.082 -0.162 0.000
C6 0.000 0.679 0.000
H7 0.915 -2.024 0.890
H8 0.915 -2.024 -0.890
H9 -1.476 -1.722 0.882
H10 -1.476 -1.722 -0.882
H11 0.937 2.381 0.882
H12 0.937 2.381 -0.882
H13 -0.578 2.721 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.64373.66962.47202.41111.49184.28874.28874.35034.35031.09461.09461.0895
C23.64371.55212.39841.44782.25181.09411.09412.21572.21574.00504.00504.3734
C33.66961.55211.47112.36042.20302.22912.22911.09591.09594.23804.23804.0302
N42.47202.39841.47112.27551.27373.15523.15522.11242.11243.17643.17642.6160
O52.41111.44782.36042.27551.37032.07072.07073.12403.12402.69512.69513.3265
C61.49182.25182.20301.27371.37032.98892.98892.95352.95352.13372.13372.1221
H74.28871.09412.22913.15522.07072.98891.78002.41002.99134.40484.74785.0529
H84.28871.09412.22913.15522.07072.98891.78002.99132.41004.74784.40485.0529
H94.35032.21571.09592.11243.12402.95352.41002.99131.76394.76035.07664.6179
H104.35032.21571.09592.11243.12402.95352.99132.41001.76395.07664.76034.6179
H111.09464.00504.23803.17642.69512.13374.40484.74784.76035.07661.76401.7857
H121.09464.00504.23803.17642.69512.13374.74784.40485.07664.76031.76401.7857
H131.08954.37344.03022.61603.32652.12215.05295.05294.61794.61791.78571.7857

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 126.550 C1 C6 O5 114.723
C2 C3 N4 104.966 C2 C3 H9 112.452
C2 C3 H10 112.452 C2 O5 C6 106.045
C3 C2 O5 103.721 C3 C2 H7 113.655
C3 C2 H8 113.655 C3 N4 C6 106.540
N4 C3 H9 109.894 N4 C3 H10 109.894
N4 C6 O5 118.727 O5 C2 H7 108.293
O5 C2 H8 108.293 C6 C1 H11 110.225
C6 C1 H12 110.225 C6 C1 H13 109.609
H7 C2 H8 108.870 H9 C3 H10 107.186
H11 C1 H12 107.368 H11 C1 H13 109.691
H12 C1 H13 109.691
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.369      
2 C 0.030      
3 C -0.092      
4 N -0.454      
5 O -0.489      
6 C 0.499      
7 H 0.114      
8 H 0.114      
9 H 0.116      
10 H 0.116      
11 H 0.136      
12 H 0.136      
13 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.947 -0.879 0.000 1.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.605 1.781 0.000
y 1.781 -29.450 0.000
z 0.000 0.000 -34.978
Traceless
 xyz
x -8.391 1.781 0.000
y 1.781 8.341 0.000
z 0.000 0.000 0.050
Polar
3z2-r20.100
x2-y2-11.155
xy1.781
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.373 0.688 0.000
y 0.688 8.927 0.000
z 0.000 0.000 5.574


<r2> (average value of r2) Å2
<r2> 148.865
(<r2>)1/2 12.201