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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP=FULL/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-246.005707
Energy at 298.15K-246.010349
HF Energy-245.679115
Nuclear repulsion energy163.560164
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/aug-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' 3321 3186 0.40      
2 A' 3297 3163 0.96      
3 A' 3286 3152 2.42      
4 A' 1570 1507 8.78      
5 A' 1528 1466 31.77      
6 A' 1361 1306 4.43      
7 A' 1282 1230 0.19      
8 A' 1168 1121 22.29      
9 A' 1124 1078 9.16      
10 A' 1101 1056 12.83      
11 A' 1073 1030 35.53      
12 A' 924 887 19.72      
13 A' 914 877 14.75      
14 A" 894 858 1.45      
15 A" 856 821 24.70      
16 A" 778 747 35.22      
17 A" 667 640 25.62      
18 A" 630 604 5.30      

Unscaled Zero Point Vibrational Energy (zpe) 12886.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 12363.6 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/aug-cc-pVTZ
ABC
0.33738 0.32450 0.16541

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.100 0.309 0.000
C2 0.000 1.099 0.000
N3 1.122 0.462 0.000
C4 0.752 -0.876 0.000
C5 -0.595 -0.963 0.000
H6 -0.167 2.159 0.000
H7 1.479 -1.664 0.000
H8 -1.306 -1.763 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35442.22732.19891.36842.07213.24782.0825
C21.35441.29012.11312.14581.07323.13453.1463
N32.22731.29011.38772.23092.13122.15623.2936
C42.19892.11311.38771.35013.17101.07272.2419
C51.36842.14582.23091.35013.15102.18981.0710
H62.07211.07322.13123.17103.15104.16294.0844
H73.24783.13452.15621.07272.18984.16292.7875
H82.08253.14633.29362.24191.07104.08442.7875

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.729 O1 C2 H6 116.722
O1 C5 C4 107.973 O1 C5 H8 116.706
C2 O1 C5 104.013 C2 N3 C4 104.145
N3 C2 H6 128.549 N3 C4 C5 109.140
N3 C4 H7 121.884 C4 C5 H8 135.322
C5 C4 H7 128.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability