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All results from a given calculation for C4H5NO (Isoxazole, 5-methyl-)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-285.477945
Energy at 298.15K-285.484337
HF Energy-285.477945
Nuclear repulsion energy223.905742
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 TPSSh/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 3264 3160 0.60      
2 A 3223 3121 3.97      
3 A 3127 3028 9.51      
4 A 3089 2991 9.20      
5 A 3035 2939 14.84      
6 A 1632 1581 34.68      
7 A 1509 1462 41.86      
8 A 1497 1450 12.71      
9 A 1486 1439 6.81      
10 A 1419 1374 0.55      
11 A 1367 1324 5.85      
12 A 1253 1214 21.83      
13 A 1211 1173 7.62      
14 A 1065 1031 1.99      
15 A 1054 1021 5.26      
16 A 1020 987 6.49      
17 A 994 962 3.07      
18 A 930 900 10.26      
19 A 909 880 4.80      
20 A 882 854 15.32      
21 A 806 781 37.85      
22 A 655 634 0.40      
23 A 648 627 1.80      
24 A 637 617 1.55      
25 A 329 318 1.98      
26 A 250 242 2.17      
27 A 99 95 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 18695.7 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 18103.0 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 TPSSh/cc-pVTZ
ABC
0.30949 0.11880 0.08724

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.103 0.018 -0.000
H2 2.456 -0.521 -0.882
H3 2.539 1.015 -0.001
H4 2.456 -0.520 0.883
C5 0.617 0.111 -0.000
O6 -0.062 -1.050 0.000
N7 -1.425 -0.787 0.000
C8 -1.532 0.513 -0.000
H9 -2.514 0.963 -0.000
C10 -0.259 1.153 -0.000
H11 -0.041 2.207 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 H9 C10 H11
C11.09221.08851.09221.48922.41473.61873.66904.71322.62123.0643
H21.09221.77341.76512.13502.72013.98834.21315.26113.30933.8018
H31.08851.77341.77342.12393.32154.35404.10165.05312.80142.8417
H41.09221.76511.77342.13502.72053.98854.21305.26093.30903.8011
C51.48922.13502.12392.13501.34532.23052.18643.24501.36152.1967
O62.41472.72013.32152.72051.34531.38762.14583.17242.21193.2570
N73.61873.98834.35403.98852.23051.38761.30462.06132.26303.2979
C83.66904.21314.10164.21302.18642.14581.30461.08011.42442.2563
H94.71325.26115.05315.26093.24503.17242.06131.08012.26272.7681
C102.62123.30932.80143.30901.36152.21192.26301.42442.26271.0762
H113.06433.80182.84173.80112.19673.25703.29792.25632.76811.0762

picture of Isoxazole, 5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 O6 116.746 C1 C5 C10 133.650
H2 C1 H3 108.825 H2 C1 H4 107.820
H2 C1 C5 110.658 H3 C1 H4 108.824
H3 C1 C5 109.994 H4 C1 C5 110.658
C5 O6 N7 109.394 C5 C10 C8 103.381
C5 C10 H11 128.238 O6 C5 C10 109.604
O6 N7 C8 105.656 N7 C8 H9 119.329
N7 C8 C10 111.965 C8 C10 H11 128.382
H9 C8 C10 128.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.208      
2 H 0.097      
3 H 0.086      
4 H 0.097      
5 C 0.186      
6 O -0.116      
7 N -0.099      
8 C -0.026      
9 H 0.104      
10 C -0.228      
11 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.927 2.515 -0.000 3.168
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.391 -0.355 0.000
y -0.355 7.993 -0.000
z 0.000 -0.000 5.100


<r2> (average value of r2) Å2
<r2> 135.727
(<r2>)1/2 11.650