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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: MP2=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-245.521458
Energy at 298.15K 
HF Energy-244.642150
Nuclear repulsion energy162.116804
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 MP2=FULL/6-311G**
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' 3335 3164 0.25 113.31 0.12 0.22
2 A' 3312 3142 0.46 42.86 0.70 0.82
3 A' 3295 3126 0.47 87.05 0.41 0.58
4 A' 1580 1499 6.08 6.64 0.10 0.18
5 A' 1458 1383 26.81 19.57 0.38 0.55
6 A' 1402 1330 2.69 4.19 0.10 0.18
7 A' 1237 1173 5.54 9.32 0.13 0.23
8 A' 1185 1124 15.66 3.46 0.55 0.71
9 A' 1140 1082 6.44 10.38 0.12 0.22
10 A' 1059 1005 6.30 4.23 0.68 0.81
11 A' 970 920 29.72 6.79 0.16 0.28
12 A' 923 876 2.18 4.54 0.71 0.83
13 A' 916 869 2.86 0.30 0.75 0.86
14 A" 872 827 3.60 0.76 0.75 0.86
15 A" 847 804 7.51 0.15 0.75 0.86
16 A" 782 742 62.52 0.50 0.75 0.86
17 A" 647 613 0.12 0.41 0.75 0.86
18 A" 613 581 12.28 0.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12787.4 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 12130.1 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 MP2=FULL/6-311G**
ABC
0.32642 0.32245 0.16221

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.131 0.362 0.000
C2 0.622 -0.960 0.000
C3 0.000 1.127 0.000
N4 -0.702 -0.980 0.000
O5 -1.090 0.339 0.000
H6 2.157 0.692 0.000
H7 1.151 -1.902 0.000
H8 -0.191 2.189 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41631.36552.27172.22131.07762.26422.2549
C21.41632.17771.32502.14962.25461.08063.2521
C31.36552.17772.22031.34502.20033.24061.0789
N42.27171.32502.22031.37433.31192.07093.2093
O52.22132.14961.34501.37433.26613.16992.0569
H61.07762.25462.20033.31193.26612.78222.7841
H72.26421.08063.24062.07093.16992.78224.3056
H82.25493.25211.07893.20932.05692.78414.3056

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.885 C1 C2 H7 129.644
C1 C3 O5 110.074 C1 C3 H8 134.245
C2 C1 C3 103.028 C2 C1 H6 128.882
C2 N4 O5 105.547 C3 C1 H6 128.090
C3 O5 N4 109.465 N4 C2 H7 118.471
O5 C3 H8 115.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability