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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-245.900592
Energy at 298.15K-245.905225
HF Energy-245.606581
Nuclear repulsion energy163.461134
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/6-31G(2df,p)
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' 3337 3337 0.52      
2 A' 3313 3313 0.36      
3 A' 3302 3302 2.27      
4 A' 1576 1576 10.21      
5 A' 1538 1538 23.75      
6 A' 1365 1365 5.34      
7 A' 1284 1284 0.42      
8 A' 1183 1183 23.80      
9 A' 1134 1134 6.86      
10 A' 1114 1114 11.10      
11 A' 1085 1085 29.33      
12 A' 929 929 17.09      
13 A' 918 918 17.84      
14 A" 874 874 2.05      
15 A" 851 851 18.31      
16 A" 774 774 24.10      
17 A" 672 672 22.21      
18 A" 634 634 3.73      

Unscaled Zero Point Vibrational Energy (zpe) 12941.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12941.1 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=FULL/6-31G(2df,p)
ABC
0.33818 0.32298 0.16520

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.103 0.310 0.000
C2 0.000 1.094 0.000
N3 1.128 0.462 0.000
C4 0.753 -0.875 0.000
C5 -0.597 -0.959 0.000
H6 -0.170 2.156 0.000
H7 1.481 -1.667 0.000
H8 -1.315 -1.758 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35332.23582.20191.36602.06863.25332.0785
C21.35331.29292.10832.13851.07573.13313.1405
N32.23581.29291.38852.23512.13452.15773.3005
C42.20192.10831.38851.35303.16891.07562.2485
C51.36602.13852.23511.35303.14472.19561.0736
H62.06861.07572.13453.16893.14474.16454.0780
H73.25333.13312.15771.07562.19564.16452.7975
H82.07853.14053.30052.24851.07364.07802.7975

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.302 O1 C2 H6 116.309
O1 C5 C4 108.152 O1 C5 H8 116.340
C2 O1 C5 103.702 C2 N3 C4 103.620
N3 C2 H6 128.389 N3 C4 C5 109.224
N3 C4 H7 121.738 C4 C5 H8 135.508
C5 C4 H7 129.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability