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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B2PLYP=FULL/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-245.971093
Energy at 298.15K 
HF Energy-245.638892
Nuclear repulsion energy162.286558
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/daug-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' 3303 3303 0.12 125.33 0.09 0.17
2 A' 3279 3279 0.31 51.97 0.64 0.78
3 A' 3259 3259 0.48 88.86 0.36 0.53
4 A' 1590 1590 9.78 4.66 0.00 0.01
5 A' 1459 1459 31.57 36.19 0.22 0.36
6 A' 1404 1404 4.69 4.89 0.02 0.05
7 A' 1247 1247 5.20 17.69 0.07 0.13
8 A' 1155 1155 22.20 3.94 0.29 0.45
9 A' 1125 1125 7.37 13.64 0.06 0.12
10 A' 1048 1048 6.99 2.37 0.62 0.77
11 A' 934 934 10.28 2.65 0.66 0.80
12 A' 915 915 1.26 0.58 0.49 0.66
13 A' 868 868 22.51 7.32 0.12 0.21
14 A" 926 926 5.11 0.27 0.75 0.86
15 A" 886 886 0.45 0.64 0.75 0.86
16 A" 797 797 63.93 0.15 0.75 0.86
17 A" 650 650 2.53 0.14 0.75 0.86
18 A" 612 612 11.40 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12728.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12728.2 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/daug-cc-pVTZ
ABC
0.32875 0.32160 0.16257

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.122 0.366 0.000
C2 0.618 -0.958 0.000
C3 0.000 1.125 0.000
N4 -0.690 -0.992 0.000
O5 -1.092 0.345 0.000
H6 2.143 0.693 0.000
H7 1.160 -1.888 0.000
H8 -0.179 2.184 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41671.35462.26442.21451.07252.25422.2358
C21.41672.17281.30852.15082.24801.07603.2421
C31.35462.17282.22661.34172.18633.22831.0745
N42.26441.30852.22661.39703.29662.05523.2175
O52.21452.15081.34171.39703.25433.17192.0533
H61.07252.24802.18633.29663.25432.76232.7595
H72.25421.07603.22832.05523.17192.76234.2867
H82.23583.24211.07453.21752.05332.75954.2867

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.321 C1 C2 H7 128.945
C1 C3 O5 110.424 C1 C3 H8 133.643
C2 C1 C3 103.241 C2 C1 H6 128.612
C2 N4 O5 105.255 C3 C1 H6 128.147
C3 O5 N4 108.759 N4 C2 H7 118.734
O5 C3 H8 115.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability