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All results from a given calculation for C4H7NO (Oxazole, 4,5-dihydro-2-methyl-)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-286.715850
Energy at 298.15K-286.724760
HF Energy-286.715850
Nuclear repulsion energy241.155582
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 B3LYP/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' 3151 3049 4.63      
2 A' 3058 2958 53.64      
3 A' 3045 2946 10.65      
4 A' 3040 2942 37.98      
5 A' 1731 1675 154.59      
6 A' 1530 1480 2.66      
7 A' 1508 1459 0.27      
8 A' 1478 1430 12.03      
9 A' 1419 1373 29.17      
10 A' 1378 1333 15.36      
11 A' 1336 1292 7.79      
12 A' 1245 1205 111.60      
13 A' 1080 1045 1.64      
14 A' 998 965 93.62      
15 A' 977 945 1.11      
16 A' 944 913 25.48      
17 A' 905 876 24.78      
18 A' 756 731 5.49      
19 A' 659 638 1.45      
20 A' 352 341 6.70      
21 A" 3101 3000 36.40      
22 A" 3095 2995 7.48      
23 A" 3063 2964 6.10      
24 A" 1478 1430 8.16      
25 A" 1253 1212 0.12      
26 A" 1217 1177 2.80      
27 A" 1123 1086 0.06      
28 A" 1067 1032 2.56      
29 A" 833 806 0.25      
30 A" 606 586 4.79      
31 A" 239 231 10.88      
32 A" 133 128 0.57      
33 A" 63 61 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 23929.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 23152.0 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 B3LYP/aug-cc-pVTZ
ABC
0.26006 0.11414 0.08300

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.333 2.131 0.000
C2 0.543 -1.506 0.000
C3 -0.988 -1.291 0.000
N4 -1.159 0.169 0.000
O5 1.077 -0.159 0.000
C6 0.000 0.682 0.000
H7 0.912 -2.018 0.887
H8 0.912 -2.018 -0.887
H9 -1.470 -1.721 0.879
H10 -1.470 -1.721 -0.879
H11 0.929 2.380 0.879
H12 0.929 2.380 -0.879
H13 -0.581 2.716 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.64283.66822.46502.40821.48694.28244.28244.34294.34291.09071.09071.0855
C23.64281.54562.38751.44862.25411.08921.08922.20702.20704.00254.00254.3692
C33.66821.54561.47002.35482.20652.21942.21941.09101.09104.23344.23344.0281
N42.46502.38751.47002.26001.26733.14003.14002.10732.10733.16533.16532.6122
O52.40821.44862.35482.26001.36682.06652.06653.11443.11442.69122.69123.3196
C61.48692.25412.20651.26731.36682.98502.98502.95082.95082.12572.12572.1158
H74.28241.08922.21943.14002.06652.98501.77462.40052.98054.39824.73975.0432
H84.28241.08922.21943.14002.06652.98501.77462.98052.40054.73974.39825.0432
H94.34292.20701.09102.10733.11442.95082.40052.98051.75854.75075.06574.6100
H104.34292.20701.09102.10733.11442.95082.98052.40051.75855.06574.75074.6100
H111.09074.00254.23343.16532.69122.12574.39824.73974.75075.06571.75831.7792
H121.09074.00254.23343.16532.69122.12574.73974.39825.06574.75071.75831.7792
H131.08554.36924.02812.61223.31962.11585.04325.04324.61004.61001.77921.7792

picture of Oxazole, 4,5-dihydro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C6 N4 126.829 C1 C6 O5 115.039
C2 C3 N4 104.666 C2 C3 H9 112.516
C2 C3 H10 112.516 C2 O5 C6 106.341
C3 C2 O5 103.663 C3 C2 H7 113.644
C3 C2 H8 113.644 C3 N4 C6 107.198
N4 C3 H9 109.864 N4 C3 H10 109.864
N4 C6 O5 118.131 O5 C2 H7 108.198
O5 C2 H8 108.198 C6 C1 H11 110.165
C6 C1 H12 110.165 C6 C1 H13 109.683
H7 C2 H8 109.109 H9 C3 H10 107.403
H11 C1 H12 107.431 H11 C1 H13 109.683
H12 C1 H13 109.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability