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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-283.737502
Energy at 298.15K-283.744300
HF Energy-283.737502
Nuclear repulsion energy226.348413
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 HF/daug-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 3426 3100 1.13      
2 A 3403 3078 0.20      
3 A 3268 2957 11.02      
4 A 3225 2918 18.25      
5 A 3175 2872 18.69      
6 A 1799 1628 46.01      
7 A 1640 1484 20.43      
8 A 1603 1450 11.03      
9 A 1601 1448 7.09      
10 A 1569 1419 62.33      
11 A 1530 1384 6.75      
12 A 1401 1267 8.67      
13 A 1264 1143 25.28      
14 A 1186 1073 6.64      
15 A 1164 1053 1.77      
16 A 1124 1017 4.15      
17 A 1051 951 43.39      
18 A 1045 945 1.52      
19 A 1044 945 1.30      
20 A 992 898 9.15      
21 A 874 790 56.22      
22 A 729 660 0.27      
23 A 700 633 8.91      
24 A 652 590 6.57      
25 A 361 327 7.47      
26 A 302 273 5.17      
27 A 144 130 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 20135.3 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 18214.4 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 HF/daug-cc-pVTZ
ABC
0.31587 0.11975 0.08824

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.118 0.030 0.000
H2 2.491 0.547 0.876
H3 2.498 -0.981 0.000
H4 2.491 0.547 -0.876
C5 -1.470 0.552 0.000
O6 -1.351 -0.757 0.000
N7 -0.028 -1.083 -0.000
C8 0.625 0.017 0.000
C9 -0.270 1.136 -0.000
H10 -0.036 2.177 -0.000
H11 -2.465 0.942 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.08311.07951.08313.62653.55722.41691.49282.63203.04144.6731
H21.08311.76081.75134.05744.15083.12512.12812.95623.13235.0484
H31.07951.76081.76084.25383.85492.52722.12163.48454.04845.3222
H41.08311.75131.76084.05744.15083.12502.12802.95613.13215.0485
C53.62654.05744.25384.05741.31472.18022.16301.33522.16741.0684
O63.55724.15083.85494.15081.31471.36262.12262.18043.21522.0323
N72.41693.12512.52723.12502.18021.36261.27902.23203.25923.1687
C81.49282.12812.12162.12802.16302.12261.27901.43322.25863.2259
C92.63202.95623.48452.95611.33522.18042.23201.43321.06642.2035
H103.04143.13234.04843.13212.16743.21523.25922.25861.06642.7245
H114.67315.04845.32225.04851.06842.03233.16873.22592.20352.7245

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 121.185 C1 C8 C9 128.179
H2 C1 H3 109.015 H2 C1 H4 107.882
H2 C1 C8 110.393 H3 C1 H4 109.015
H3 C1 C8 110.092 H4 C1 C8 110.392
C5 O6 N7 109.029 C5 C9 C8 102.707
C5 C9 H10 128.626 O6 C5 C9 110.734
O6 C5 H11 116.663 O6 N7 C8 106.895
N7 C8 C9 110.635 C8 C9 H10 128.667
C9 C5 H11 132.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.880      
2 H 0.271      
3 H 0.694      
4 H 0.271      
5 C -1.162      
6 O -1.427      
7 N -0.701      
8 C 1.667      
9 C -0.775      
10 H 0.676      
11 H 1.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.618 3.131 0.001 3.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.479 -2.097 -0.000
y -2.097 -37.101 -0.001
z -0.000 -0.001 -36.523
Traceless
 xyz
x 7.333 -2.097 -0.000
y -2.097 -4.100 -0.001
z -0.000 -0.001 -3.233
Polar
3z2-r2-6.466
x2-y27.622
xy-2.097
xz-0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.626 -0.004 -0.000
y -0.004 7.938 0.000
z -0.000 0.000 5.703


<r2> (average value of r2) Å2
<r2> 134.568
(<r2>)1/2 11.600