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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-285.042074
Energy at 298.15K-285.048406
Nuclear repulsion energy221.644118
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3215 3197 0.27      
2 A 3191 3172 0.06      
3 A 3088 3070 3.97      
4 A 3050 3032 8.37      
5 A 2980 2963 15.62      
6 A 1566 1557 25.71      
7 A 1454 1445 4.19      
8 A 1440 1431 27.74      
9 A 1403 1395 7.40      
10 A 1384 1376 19.56      
11 A 1336 1329 0.66      
12 A 1245 1238 1.07      
13 A 1108 1102 17.39      
14 A 1037 1031 10.99      
15 A 1010 1004 3.16      
16 A 997 991 1.94      
17 A 942 937 1.26      
18 A 908 903 0.74      
19 A 861 856 20.92      
20 A 824 819 0.06      
21 A 754 749 36.56      
22 A 649 645 4.33      
23 A 643 639 0.13      
24 A 599 596 2.96      
25 A 324 323 6.05      
26 A 264 263 5.00      
27 A 136 135 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 18204.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 18098.4 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 PBEPBE/cc-pVDZ
ABC
0.30075 0.11623 0.08519

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.137 0.022 -0.000
H2 2.539 0.541 0.894
H3 2.509 -1.019 -0.001
H4 2.539 0.542 -0.893
C5 -1.492 0.579 0.000
O6 -1.387 -0.770 -0.000
N7 -0.027 -1.118 0.000
C8 0.641 0.032 -0.000
C9 -0.250 1.155 0.000
H10 0.000 2.220 -0.000
H11 -2.513 0.975 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.10891.10561.10893.67193.61232.44671.49682.64263.06514.7471
H21.10891.79881.78764.12894.23443.18372.15912.99223.17175.1487
H31.10561.79881.79884.30833.90372.53822.14343.51274.09655.4033
H41.10891.78761.79884.12884.23463.18442.15922.99173.17085.1485
C53.67194.12894.30834.12881.35352.24152.20181.36952.21811.0951
O63.61234.23443.90374.23461.35351.40312.18032.23653.29632.0769
N72.44673.18372.53823.18442.24151.40311.32952.28423.33773.2492
C81.49682.15912.14342.15922.20182.18031.32951.43382.27983.2918
C92.64262.99223.51272.99171.36952.23652.28421.43381.09332.2706
H103.06513.17174.09653.17082.21813.29633.33772.27981.09332.8053
H114.74715.14875.40335.14851.09512.07693.24923.29182.27062.8053

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 119.805 C1 C8 C9 128.749
H2 C1 H3 108.635 H2 C1 H4 107.412
H2 C1 C8 111.036 H3 C1 H4 108.639
H3 C1 C8 109.991 H4 C1 C8 111.039
C5 O6 N7 108.797 C5 C9 C8 103.496
C5 C9 H10 128.136 O6 C5 C9 110.437
O6 C5 H11 115.635 O6 N7 C8 105.824
N7 C8 C9 111.447 C8 C9 H10 128.368
C9 C5 H11 133.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 H 0.057      
3 H 0.050      
4 H 0.057      
5 C 0.188      
6 O -0.116      
7 N -0.135      
8 C 0.024      
9 C -0.139      
10 H -0.016      
11 H 0.023      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.477 2.618 0.000 2.661
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.545 -1.678 -0.000
y -1.678 -36.032 0.000
z -0.000 0.000 -35.943
Traceless
 xyz
x 6.442 -1.678 -0.000
y -1.678 -3.288 0.000
z -0.000 0.000 -3.154
Polar
3z2-r2-6.308
x2-y26.487
xy-1.678
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.931 -0.267 0.000
y -0.267 7.584 0.000
z 0.000 0.000 4.225


<r2> (average value of r2) Å2
<r2> 138.261
(<r2>)1/2 11.758