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

using model chemistry: SVWN/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at SVWN/3-21G
 hartrees
Energy at 0K-283.505067
Energy at 298.15K-283.513890
HF Energy-283.505067
Nuclear repulsion energy238.835009
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 SVWN/3-21G
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 3131 3074 0.31      
2 A 3015 2961 24.76      
3 A 3006 2952 23.38      
4 A 3006 2952 2.42      
5 A 1696 1666 94.93      
6 A 1507 1480 4.77      
7 A 1482 1455 5.19      
8 A 1470 1444 12.52      
9 A 1391 1366 45.11      
10 A 1328 1304 18.90      
11 A 1280 1257 0.15      
12 A 1225 1202 101.38      
13 A 1061 1041 2.45      
14 A 965 948 52.05      
15 A 924 907 0.64      
16 A 905 889 37.44      
17 A 873 857 19.32      
18 A 737 724 9.10      
19 A 665 653 3.55      
20 A 322 317 5.80      
21 A 3073 3017 23.86      
22 A 3070 3014 1.13      
23 A 3045 2990 0.32      
24 A 1473 1446 16.24      
25 A 1230 1208 0.08      
26 A 1167 1146 0.01      
27 A 1075 1056 3.92      
28 A 1056 1037 4.92      
29 A 813 798 0.33      
30 A 569 559 2.80      
31 A 232 228 14.30      
32 A 128 126 1.75      
33 A 109 107 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 23514.4 cm-1
Scaled (by 0.9819) Zero Point Vibrational Energy (zpe) 23088.8 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 SVWN/3-21G
ABC
0.25340 0.11294 0.08181

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.332 2.136 0.000
C2 0.552 -1.516 0.000
C3 -0.997 -1.300 0.000
N4 -1.167 0.172 0.000
O5 1.090 -0.152 0.000
C6 0.000 0.696 0.000
H7 0.909 -2.046 0.899
H8 0.909 -2.046 -0.899
H9 -1.480 -1.734 0.892
H10 -1.480 -1.734 -0.892
H11 0.934 2.382 0.891
H12 0.934 2.382 -0.891
H13 -0.601 2.714 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.65813.68402.47022.41011.47774.31574.31574.36544.36541.10321.10321.0975
C23.65811.56372.40931.46572.27951.10261.10262.22972.22974.01664.01664.3839
C33.68401.56371.48242.38142.23112.23462.23461.10321.10324.25214.25214.0336
N42.47022.40931.48242.27971.27893.16783.16782.12812.12813.17643.17642.6038
O52.41011.46572.38142.27971.38082.10382.10383.14653.14652.69092.69093.3274
C61.47772.27952.23111.27891.38083.02483.02482.98182.98182.12362.12362.1055
H74.31571.10262.23463.16782.10383.02481.79772.40853.00124.42784.77605.0734
H84.31571.10262.23463.16782.10383.02481.79773.00122.40854.77604.42785.0734
H94.36542.22971.10322.12813.14652.98182.40853.00121.78364.77185.09414.6212
H104.36542.22971.10322.12813.14652.98183.00122.40851.78365.09414.77184.6212
H111.10324.01664.25213.17642.69092.12364.42784.77604.77185.09411.78261.8053
H121.10324.01664.25213.17642.69092.12364.77604.42785.09414.77181.78261.8053
H131.09754.38394.03362.60383.32742.10555.07345.07344.62124.62121.80531.8053

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 127.152 C1 C6 O5 114.905
C2 C3 N4 104.513 C2 C3 H9 112.300
C2 C3 H10 112.300 C2 O5 C6 106.379
C3 C2 O5 103.594 C3 C2 H7 112.728
C3 C2 H8 112.728 C3 N4 C6 107.572
N4 C3 H9 109.916 N4 C3 H10 109.916
N4 C6 O5 117.943 O5 C2 H7 109.183
O5 C2 H8 109.183 C6 C1 H11 109.883
C6 C1 H12 109.883 C6 C1 H13 108.798
H7 C2 H8 109.213 H9 C3 H10 107.871
H11 C1 H12 107.791 H11 C1 H13 110.239
H12 C1 H13 110.239
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability