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

using model chemistry: wB97X-D/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-285.277638
Energy at 298.15K-285.284113
HF Energy-285.277638
Nuclear repulsion energy223.877625
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-pVDZ
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 3322 3165 0.20      
2 A 3299 3143 0.02      
3 A 3184 3033 5.77      
4 A 3154 3004 10.19      
5 A 3080 2934 16.50      
6 A 1656 1578 32.71      
7 A 1528 1456 6.07      
8 A 1508 1436 20.73      
9 A 1491 1420 10.60      
10 A 1471 1401 46.77      
11 A 1420 1352 0.95      
12 A 1313 1251 2.34      
13 A 1189 1132 18.11      
14 A 1099 1047 9.13      
15 A 1073 1022 2.11      
16 A 1046 996 2.18      
17 A 988 941 12.44      
18 A 979 933 11.42      
19 A 929 885 13.36      
20 A 889 846 0.93      
21 A 781 744 56.22      
22 A 670 639 5.12      
23 A 670 638 0.01      
24 A 617 587 5.37      
25 A 339 323 7.08      
26 A 274 261 5.90      
27 A 107 102 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 19037.3 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 18134.9 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-pVDZ
ABC
0.30772 0.11798 0.08667

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.127 0.029 -0.000
H2 2.513 0.543 0.885
H3 2.499 -0.997 -0.000
H4 2.513 0.543 -0.885
C5 -1.485 0.569 -0.000
O6 -1.368 -0.764 -0.000
N7 -0.024 -1.106 0.000
C8 0.633 0.029 -0.000
C9 -0.258 1.142 0.000
H10 -0.015 2.193 0.000
H11 -2.493 0.956 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.09361.09151.09363.65163.58352.43141.49362.63203.04474.7115
H21.09361.77611.76944.09424.18943.15192.13992.96983.14545.0997
H31.09151.77611.77614.28083.87422.52532.12993.49004.06185.3604
H41.09361.76941.77614.09424.18933.15202.13992.97003.14575.0997
C53.65164.09424.28084.09421.33872.22282.18551.35342.19001.0796
O63.58354.18943.87424.18931.33871.38702.15272.20563.25202.0553
N72.43143.15192.52533.15202.22281.38701.31162.26013.29893.2167
C81.49362.13992.12992.13992.18552.15271.31161.42562.25853.2602
C92.63202.96983.49002.97001.35342.20562.26011.42561.07882.2420
H103.04473.14544.06183.14572.19003.25203.29892.25851.07882.7693
H114.71155.09975.36045.09971.07962.05533.21673.26022.24202.7693

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 120.027 C1 C8 C9 128.730
H2 C1 H3 108.747 H2 C1 H4 107.990
H2 C1 C8 110.655 H3 C1 H4 108.747
H3 C1 C8 109.982 H4 C1 C8 110.657
C5 O6 N7 109.263 C5 C9 C8 103.676
C5 C9 H10 128.068 O6 C5 C9 110.028
O6 C5 H11 115.989 O6 N7 C8 105.790
N7 C8 C9 111.243 C8 C9 H10 128.256
C9 C5 H11 133.983
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.676      
2 H 0.178      
3 H 0.193      
4 H 0.178      
5 C -0.039      
6 O -0.026      
7 N -0.300      
8 C 0.102      
9 C 0.030      
10 H 0.178      
11 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.575 3.147 -0.001 3.199
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.377 -2.119 0.000
y -2.119 -36.798 0.001
z 0.000 0.001 -36.483
Traceless
 xyz
x 7.264 -2.119 0.000
y -2.119 -3.868 0.001
z 0.000 0.001 -3.396
Polar
3z2-r2-6.791
x2-y27.421
xy-2.119
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.758 -0.069 0.000
y -0.069 8.174 -0.000
z 0.000 -0.000 5.437


<r2> (average value of r2) Å2
<r2> 136.481
(<r2>)1/2 11.683