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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-285.232499
Energy at 298.15K-285.238975
HF Energy-284.874797
Nuclear repulsion energy223.554911
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 B2PLYP/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 3297 3164 0.23      
2 A 3276 3143 0.00      
3 A 3158 3030 5.56      
4 A 3124 2997 10.83      
5 A 3064 2940 14.73      
6 A 1608 1542 26.03      
7 A 1507 1446 13.25      
8 A 1498 1438 7.18      
9 A 1487 1427 9.17      
10 A 1443 1384 33.12      
11 A 1417 1360 3.40      
12 A 1300 1248 1.36      
13 A 1156 1109 19.09      
14 A 1086 1042 9.28      
15 A 1074 1031 1.59      
16 A 1036 994 2.44      
17 A 982 943 1.44      
18 A 932 894 0.36      
19 A 892 856 25.27      
20 A 886 850 0.41      
21 A 791 759 46.76      
22 A 667 640 0.24      
23 A 661 634 5.77      
24 A 615 590 4.08      
25 A 336 323 6.33      
26 A 274 263 4.98      
27 A 123 118 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 18846.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 18081.1 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 B2PLYP/cc-pVTZ
ABC
0.30719 0.11772 0.08647

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.126 0.024 0.000
H2 2.514 0.536 0.880
H3 2.494 -0.999 0.000
H4 2.514 0.536 -0.880
C5 -1.480 0.576 0.000
O6 -1.382 -0.763 0.000
N7 -0.025 -1.107 -0.000
C8 0.636 0.028 0.000
C9 -0.250 1.143 -0.000
H10 -0.002 2.187 -0.000
H11 -2.479 0.973 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.08921.08631.08923.64783.59512.43041.49052.62643.03434.7016
H21.08921.76871.75964.08924.19943.14932.13522.96323.13495.0881
H31.08631.76871.76874.27393.88272.52142.12263.48034.04655.3489
H41.08921.75961.76874.08934.19943.14922.13522.96323.13495.0882
C53.64784.08924.27394.08931.34242.22392.18511.35382.18631.0750
O63.59514.19943.88274.19941.34241.39932.16682.21623.25682.0531
N72.43043.14932.52143.14922.22391.39931.31292.26043.29373.2159
C81.49052.13522.12262.13522.18512.16681.31291.42382.25133.2545
C92.62642.96323.48032.96321.35382.21622.26041.42381.07362.2351
H103.03433.13494.04653.13492.18633.25683.29372.25131.07362.7588
H114.70165.08815.34895.08821.07502.05313.21593.25452.23512.7588

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 120.076 C1 C8 C9 128.621
H2 C1 H3 108.778 H2 C1 H4 107.760
H2 C1 C8 110.765 H3 C1 H4 108.778
H3 C1 C8 109.929 H4 C1 C8 110.764
C5 O6 N7 108.396 C5 C9 C8 103.723
C5 C9 H10 128.126 O6 C5 C9 110.566
O6 C5 H11 115.830 O6 N7 C8 106.011
N7 C8 C9 111.303 C8 C9 H10 128.151
C9 C5 H11 133.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 H 0.106      
3 H 0.122      
4 H 0.106      
5 C 0.052      
6 O -0.156      
7 N -0.077      
8 C 0.120      
9 C -0.294      
10 H 0.154      
11 H 0.162      


Electric dipole moments


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 9.956 0.180 0.000
y 0.180 7.912 0.000
z 0.000 0.000 5.073


<r2> (average value of r2) Å2
<r2> 136.647
(<r2>)1/2 11.690