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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CCD/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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-245.441987
Energy at 298.15K-245.446613
HF Energy-244.663252
Nuclear repulsion energy162.202244
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 CCD/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' 3333 3214 0.59      
2 A' 3311 3194 0.21      
3 A' 3299 3182 2.17      
4 A' 1610 1552 11.86      
5 A' 1563 1508 34.43      
6 A' 1375 1326 2.51      
7 A' 1278 1233 0.10      
8 A' 1192 1150 40.47      
9 A' 1125 1085 12.75      
10 A' 1115 1076 2.54      
11 A' 1080 1042 39.89      
12 A' 926 894 19.87      
13 A' 914 882 12.84      
14 A" 873 842 1.03      
15 A" 852 822 23.19      
16 A" 767 739 34.86      
17 A" 658 634 26.37      
18 A" 613 592 4.70      

Unscaled Zero Point Vibrational Energy (zpe) 12942.1 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 12482.7 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 CCD/aug-cc-pVDZ
ABC
0.33245 0.31853 0.16267

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.107 0.313 0.000
C2 0.000 1.105 0.000
N3 1.133 0.467 0.000
C4 0.759 -0.885 0.000
C5 -0.605 -0.967 0.000
H6 -0.167 2.179 0.000
H7 1.494 -1.688 0.000
H8 -1.326 -1.779 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36122.24552.21801.37562.08993.28142.1039
C21.36121.30042.12972.15851.08743.16683.1745
N32.24551.30041.40222.25272.15002.18423.3305
C42.21802.12971.40221.36633.20121.08792.2693
C51.37562.15852.25271.36633.17702.21841.0864
H62.08991.08742.15003.20123.17704.20834.1251
H73.28143.16682.18421.08792.21844.20832.8214
H82.10393.17453.33052.26931.08644.12512.8214

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.041 O1 C2 H6 116.753
O1 C5 C4 107.981 O1 C5 H8 116.934
C2 O1 C5 104.128 C2 N3 C4 103.940
N3 C2 H6 128.206 N3 C4 C5 108.909
N3 C4 H7 122.090 C4 C5 H8 135.085
C5 C4 H7 129.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability