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All results from a given calculation for C5H6O (3-Methylfuran)

using model chemistry: CCD/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/cc-pVDZ
 hartrees
Energy at 0K-268.570052
Energy at 298.15K-268.576721
HF Energy-267.682906
Nuclear repulsion energy219.905643
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/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' 3317 3173 1.06      
2 A' 3305 3162 1.47      
3 A' 3281 3139 1.11      
4 A' 3159 3022 17.99      
5 A' 3067 2934 31.94      
6 A' 1693 1619 0.25      
7 A' 1584 1515 19.18      
8 A' 1503 1438 5.82      
9 A' 1441 1378 3.77      
10 A' 1425 1363 0.93      
11 A' 1305 1249 7.38      
12 A' 1275 1219 1.17      
13 A' 1256 1202 27.96      
14 A' 1112 1064 18.56      
15 A' 1071 1025 20.54      
16 A' 1022 977 3.70      
17 A' 982 939 1.84      
18 A' 898 859 21.69      
19 A' 648 620 2.39      
20 A' 315 302 0.80      
21 A" 3142 3006 18.92      
22 A" 1485 1421 5.16      
23 A" 1067 1021 0.88      
24 A" 858 821 0.39      
25 A" 801 766 47.10      
26 A" 753 720 7.93      
27 A" 620 593 10.95      
28 A" 613 587 9.20      
29 A" 265 253 2.92      
30 A" 131 125 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21695.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20756.0 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 CCD/cc-pVDZ
ABC
0.29476 0.11102 0.08190

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.695 -1.469 0.000
C2 -1.079 -0.160 0.000
C3 0.666 -1.469 0.000
C4 0.000 0.684 0.000
C5 1.157 -0.192 0.000
C6 -0.011 2.190 0.000
H7 -2.153 0.022 0.000
H8 1.143 -2.448 0.000
H9 2.209 0.098 0.000
H10 -1.044 2.576 0.000
H11 0.503 2.593 0.891
H12 0.503 2.593 -0.891

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36451.36122.26212.24953.72192.08532.08263.29924.06034.32724.3272
C21.36452.18221.36982.23672.58081.08913.19003.29792.73623.29733.2973
C31.36122.18222.25371.36813.72093.18941.08882.19874.39234.16164.1616
C42.26211.36982.25371.45131.50582.25273.33392.28492.16152.16582.1658
C52.24952.23671.36811.45132.65273.31722.25591.09063.53702.99622.9962
C63.72192.58083.72091.50582.65273.04784.77903.04971.10341.10491.1049
H72.08531.08913.18942.25273.31723.04784.11904.36242.78493.80233.8023
H82.08263.19001.08883.33392.25594.77904.11902.75975.47985.15865.1586
H93.29923.29792.19872.28491.09063.04974.36242.75974.08943.15093.1509
H104.06032.73624.39232.16153.53701.10342.78495.47984.08941.78551.7855
H114.32723.29734.16162.16582.99621.10493.80235.15863.15091.78551.7829
H124.32723.29734.16162.16582.99621.10493.80235.15863.15091.78551.7829

picture of 3-Methylfuran state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 111.648 O1 C2 H7 115.949
O1 C3 C5 111.015 O1 C3 H8 115.989
C2 O1 C3 106.371 C2 C4 C5 104.866
C2 C4 C6 127.597 C3 C5 C4 106.100
C3 C5 H9 126.446 C4 C2 H7 132.403
C4 C5 H9 127.454 C4 C6 H10 110.929
C4 C6 H11 111.185 C4 C6 H12 111.185
C5 C3 H8 132.996 C5 C4 C6 127.536
H10 C6 H11 107.905 H10 C6 H12 107.905
H11 C6 H12 107.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability