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All results from a given calculation for C4H5NO (3-Methylisoxazole)

using model chemistry: wB97X-D/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-285.360795
Energy at 298.15K-285.367295
HF Energy-285.360795
Nuclear repulsion energy224.747028
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/cc-pVTZ
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 3300 3155 0.31      
2 A 3279 3134 0.01      
3 A 3167 3027 5.76      
4 A 3137 2999 10.54      
5 A 3071 2936 14.15      
6 A 1651 1579 32.77      
7 A 1525 1457 3.97      
8 A 1503 1436 21.02      
9 A 1486 1421 8.13      
10 A 1464 1399 44.96      
11 A 1415 1353 0.57      
12 A 1314 1256 2.90      
13 A 1184 1132 18.82      
14 A 1099 1051 8.07      
15 A 1074 1027 2.39      
16 A 1045 999 2.69      
17 A 984 941 8.47      
18 A 975 932 9.59      
19 A 930 889 15.34      
20 A 901 861 0.68      
21 A 784 750 47.25      
22 A 678 648 0.02      
23 A 670 641 5.18      
24 A 623 596 5.02      
25 A 337 322 6.62      
26 A 275 263 5.43      
27 A 111 106 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 18990.2 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 18154.6 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/cc-pVTZ
ABC
0.31039 0.11880 0.08731

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.119 0.028 -0.000
H2 2.504 0.540 0.881
H3 2.489 -0.995 -0.000
H4 2.504 0.540 -0.881
C5 -1.477 0.568 -0.000
O6 -1.365 -0.761 -0.000
N7 -0.024 -1.101 0.000
C8 0.630 0.029 -0.000
C9 -0.257 1.137 0.000
H10 -0.015 2.184 0.000
H11 -2.480 0.957 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.08981.08751.08983.63603.57262.42171.48882.62243.03414.6920
H21.08981.77021.76234.07734.17673.14002.13292.95933.13465.0787
H31.08751.77021.77024.26243.86142.51512.12223.47664.04705.3386
H41.08981.76231.77024.07734.17663.14012.13292.95943.13495.0787
C53.63604.07734.26244.07731.33362.21212.17461.34592.17901.0762
O63.57264.17673.86144.17661.33361.38372.14652.19823.24002.0480
N72.42173.14002.51513.14012.21211.38371.30542.24973.28463.2039
C81.48882.13292.12222.13292.17462.14651.30541.41952.24953.2457
C92.62242.95933.47662.95941.34592.19822.24971.41951.07452.2302
H103.03413.13464.04703.13492.17903.24003.28462.24951.07452.7534
H114.69205.07875.33865.07871.07622.04803.20393.24572.23022.7534

picture of 3-Methylisoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C8 N7 120.014 C1 C8 C9 128.755
H2 C1 H3 108.791 H2 C1 H4 107.912
H2 C1 C8 110.668 H3 C1 H4 108.791
H3 C1 C8 109.948 H4 C1 C8 110.670
C5 O6 N7 108.978 C5 C9 C8 103.665
C5 C9 H10 128.034 O6 C5 C9 110.244
O6 C5 H11 115.980 O6 N7 C8 105.882
N7 C8 C9 111.232 C8 C9 H10 128.301
C9 C5 H11 133.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.236      
2 H 0.091      
3 H 0.105      
4 H 0.091      
5 C 0.058      
6 O -0.110      
7 N -0.070      
8 C 0.081      
9 C -0.277      
10 H 0.136      
11 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.501 2.890 -0.001 2.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.261 -1.888 0.000
y -1.888 -36.255 0.001
z 0.000 0.001 -35.965
Traceless
 xyz
x 6.850 -1.888 0.000
y -1.888 -3.642 0.001
z 0.000 0.001 -3.208
Polar
3z2-r2-6.415
x2-y26.994
xy-1.888
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.816 -0.127 0.000
y -0.127 7.865 -0.000
z 0.000 -0.000 5.099


<r2> (average value of r2) Å2
<r2> 135.397
(<r2>)1/2 11.636