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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-245.885795
Energy at 298.15K 
HF Energy-245.600922
Nuclear repulsion energy161.992140
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=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' 3310 3310 0.21 116.70 0.13 0.22
2 A' 3288 3288 0.05 49.72 0.72 0.84
3 A' 3268 3268 1.84 88.03 0.41 0.58
4 A' 1597 1597 8.02 2.23 0.07 0.12
5 A' 1466 1466 32.37 28.56 0.33 0.50
6 A' 1410 1410 5.15 2.34 0.12 0.22
7 A' 1252 1252 5.90 10.99 0.18 0.31
8 A' 1161 1161 24.36 3.57 0.52 0.68
9 A' 1130 1130 7.89 9.84 0.14 0.25
10 A' 1055 1055 7.02 3.11 0.64 0.78
11 A' 939 939 10.14 4.65 0.59 0.74
12 A' 920 920 0.68 1.20 0.52 0.68
13 A' 882 882 23.63 5.98 0.18 0.31
14 A" 889 889 7.42 1.38 0.75 0.86
15 A" 859 859 0.35 0.06 0.75 0.86
16 A" 781 781 62.77 0.53 0.75 0.86
17 A" 645 645 2.27 0.25 0.75 0.86
18 A" 609 609 15.30 0.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12729.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12729.9 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=FULL/6-311G*
ABC
0.32735 0.32058 0.16197

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.127 0.367 0.000
C2 0.618 -0.960 0.000
C3 0.000 1.126 0.000
N4 -0.694 -0.992 0.000
O5 -1.092 0.345 0.000
H6 2.153 0.694 0.000
H7 1.157 -1.896 0.000
H8 -0.186 2.188 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42171.35912.27242.22001.07662.26332.2452
C21.42172.17601.31222.15152.25681.07993.2492
C31.35912.17602.22881.34302.19613.23611.0779
N42.27241.31222.22881.39503.30872.05993.2199
O52.22002.15151.34301.39503.26433.17522.0536
H61.07662.25682.19613.30873.26432.77502.7757
H72.26331.07993.23612.05993.17522.77504.2991
H82.24523.24921.07793.21992.05362.77574.2991

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.378 C1 C2 H7 129.059
C1 C3 O5 110.479 C1 C3 H8 133.903
C2 C1 C3 102.956 C2 C1 H6 128.675
C2 N4 O5 105.222 C3 C1 H6 128.369
C3 O5 N4 108.965 N4 C2 H7 118.564
O5 C3 H8 115.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability