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

using model chemistry: LSDA/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 LSDA/6-311G**
 hartrees
Energy at 0K-285.149638
Energy at 298.15K-285.158415
Nuclear repulsion energy242.569332
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 LSDA/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 3112 3073 0.63      
2 A 3054 3016 2.13      
3 A 3034 2996 25.34      
4 A 3001 2964 12.01      
5 A 2987 2951 4.64      
6 A 2978 2942 33.44      
7 A 2965 2929 33.16      
8 A 1736 1715 139.56      
9 A 1457 1439 13.22      
10 A 1428 1411 2.19      
11 A 1404 1387 12.13      
12 A 1395 1378 14.54      
13 A 1370 1353 94.94      
14 A 1318 1302 2.81      
15 A 1277 1261 2.18      
16 A 1226 1211 68.39      
17 A 1195 1180 3.03      
18 A 1174 1160 1.65      
19 A 1074 1061 0.49      
20 A 1072 1059 14.72      
21 A 1028 1015 86.11      
22 A 1013 1001 5.16      
23 A 975 963 2.77      
24 A 940 928 7.78      
25 A 904 893 23.11      
26 A 812 802 1.63      
27 A 741 732 4.67      
28 A 671 663 2.59      
29 A 584 577 3.25      
30 A 341 336 5.98      
31 A 235 232 11.28      
32 A 133 131 1.37      
33 A 41 40 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 23337.0 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 23050.0 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 LSDA/6-311G**
ABC
0.26126 0.11644 0.08444

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.132 0.011 0.005
C2 1.379 -0.772 0.031
C3 1.415 0.762 -0.023
N4 0.024 1.171 0.021
O5 -0.018 -1.084 -0.034
C6 -0.666 0.107 0.001
H7 1.883 -1.264 -0.814
H8 1.780 -1.185 0.971
H9 1.881 1.145 -0.948
H10 1.970 1.205 0.820
H11 -2.479 -0.528 -0.891
H12 -2.476 -0.561 0.880
H13 -2.564 1.017 0.024

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.59693.62532.44872.38101.46894.29164.20324.27794.34901.10111.10101.0957
C23.59691.53532.36851.43222.22601.10061.10252.21042.20893.97423.95274.3297
C33.62531.53531.44992.33632.18162.22492.21681.10421.10254.19294.20743.9868
N42.44872.36851.44992.25591.26883.17543.08822.09482.10323.16043.16062.5927
O52.38101.43222.33632.25591.35612.06282.06203.06753.14902.66512.67433.3018
C61.46892.22602.18161.26881.35613.00732.93152.91012.97052.11812.11992.1050
H74.29161.10062.22493.17542.06283.00731.79032.41292.96204.42504.72955.0680
H84.20321.10252.21683.08822.06202.93151.79033.02052.40244.69464.30214.9616
H94.27792.21041.10422.09483.06752.91012.41293.02051.77084.67135.02384.5519
H104.34902.20891.10252.10323.14902.97052.96202.40241.77085.07194.78374.6067
H111.10113.97424.19293.16042.66512.11814.42504.69464.67135.07191.77131.7979
H121.10103.95274.20743.16062.67432.11994.72954.30215.02384.78371.77131.7984
H131.09574.32973.98682.59273.30182.10505.06804.96164.55194.60671.79791.7984

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 126.717 C1 C6 O5 114.826
C2 C3 N4 104.977 C2 C3 H9 112.720
C2 C3 H10 112.707 C2 O5 C6 105.902
C3 C2 O5 103.805 C3 C2 H7 114.126
C3 C2 H8 113.342 C3 N4 C6 106.540
N4 C3 H9 109.464 N4 C3 H10 110.242
N4 C6 O5 118.457 O5 C2 H7 108.349
O5 C2 H8 108.167 C6 C1 H11 110.184
C6 C1 H12 110.335 C6 C1 H13 109.466
H7 C2 H8 108.701 H9 C3 H10 106.741
H11 C1 H12 107.089 H11 C1 H13 109.843
H12 C1 H13 109.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.379      
2 C -0.156      
3 C -0.260      
4 N -0.291      
5 O -0.278      
6 C 0.175      
7 H 0.164      
8 H 0.165      
9 H 0.167      
10 H 0.167      
11 H 0.173      
12 H 0.173      
13 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.722 -1.125 0.001 1.337
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.631 -0.025 0.009
y -0.025 -41.382 -0.164
z 0.009 -0.164 -35.360
Traceless
 xyz
x 8.740 -0.025 0.009
y -0.025 -8.887 -0.164
z 0.009 -0.164 0.147
Polar
3z2-r20.293
x2-y211.751
xy-0.025
xz0.009
yz-0.164


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.918 0.383 -0.010
y 0.383 7.787 -0.032
z -0.010 -0.032 6.087


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000