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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP=FULL/aug-cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-245.880854
Energy at 298.15K-245.885458
HF Energy-245.620113
Nuclear repulsion energy162.443067
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-pVDZ
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' 3329 3202 0.48      
2 A' 3309 3183 1.05      
3 A' 3293 3167 2.48      
4 A' 1564 1504 6.74      
5 A' 1522 1464 32.33      
6 A' 1352 1300 3.66      
7 A' 1267 1219 0.26      
8 A' 1158 1114 21.63      
9 A' 1123 1080 8.22      
10 A' 1091 1049 10.40      
11 A' 1063 1023 37.33      
12 A' 917 882 23.33      
13 A' 909 874 10.94      
14 A" 867 834 2.11      
15 A" 836 804 27.61      
16 A" 753 725 35.40      
17 A" 661 635 25.26      
18 A" 621 597 4.94      

Unscaled Zero Point Vibrational Energy (zpe) 12817.3 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 12327.7 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-pVDZ
ABC
0.33341 0.31956 0.16317

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.106 0.312 0.000
C2 0.000 1.106 0.000
N3 1.130 0.463 0.000
C4 0.758 -0.882 0.000
C5 -0.602 -0.968 0.000
H6 -0.168 2.176 0.000
H7 1.492 -1.679 0.000
H8 -1.322 -1.775 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36192.24162.21381.37522.08743.27362.0983
C21.36191.30012.12732.15911.08323.15973.1701
N32.24161.30011.39522.24662.14902.17283.3201
C42.21382.12731.39521.36293.19481.08392.2639
C51.37522.15912.24661.36293.17362.21171.0820
H62.08741.08322.14903.19483.17364.19744.1167
H73.27363.15972.17281.08392.21174.19742.8155
H82.09833.17013.32012.26391.08204.11672.8155

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.698 O1 C2 H6 116.772
O1 C5 C4 107.902 O1 C5 H8 116.783
C2 O1 C5 104.153 C2 N3 C4 104.174
N3 C2 H6 128.530 N3 C4 C5 109.073
N3 C4 H7 121.930 C4 C5 H8 135.315
C5 C4 H7 128.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability