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

using model chemistry: CCSD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/TZVP
 hartrees
Energy at 0K-268.722010
Energy at 298.15K 
HF Energy-267.748282
Nuclear repulsion energy220.504705
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 CCSD(T)/TZVP
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' 3300 3176        
2 A' 3287 3164        
3 A' 3261 3138        
4 A' 3125 3007        
5 A' 3044 2930        
6 A' 1646 1584        
7 A' 1544 1486        
8 A' 1519 1462        
9 A' 1441 1387        
10 A' 1408 1355        
11 A' 1287 1239        
12 A' 1280 1232        
13 A' 1207 1162        
14 A' 1098 1056        
15 A' 1052 1013        
16 A' 1022 983        
17 A' 975 938        
18 A' 888 854        
19 A' 638 614        
20 A' 316 304        
21 A" 3108 2991        
22 A" 1483 1428        
23 A" 1054 1014        
24 A" 700 673        
25 A" 686 660        
26 A" 597 575        
27 A" 567 546        
28 A" 220 212        
29 A" 121 117        
30 A" 321i 309i        

Unscaled Zero Point Vibrational Energy (zpe) 20775.0 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 19996.0 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 CCSD(T)/TZVP
ABC
0.29586 0.11180 0.08239

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.700 -1.466 0.000
C2 -1.081 -0.149 0.000
C3 0.667 -1.466 0.000
C4 0.000 0.680 0.000
C5 1.150 -0.194 0.000
C6 0.000 2.181 0.000
H7 -2.145 0.030 0.000
H8 1.135 -2.437 0.000
H9 2.191 0.097 0.000
H10 -1.023 2.568 0.000
H11 0.510 2.575 0.885
H12 0.510 2.575 -0.885

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.37161.36722.25762.24543.71402.08002.07553.28604.04674.31004.3100
C21.37162.18921.36232.23202.56861.07843.18533.28082.71693.27593.2759
C31.36722.18922.24771.36073.70793.18531.07772.18244.37344.13974.1397
C42.25761.36232.24771.44501.50112.24093.31752.26682.14662.15232.1523
C52.24542.23201.36071.44502.63923.30272.24331.08003.51412.97672.9767
C63.71402.56863.70791.50112.63923.03754.75583.02371.09321.09421.0942
H72.08001.07843.18532.24093.30273.03754.10374.33562.77443.78203.7820
H82.07553.18531.07773.31752.24334.75584.10372.74545.44995.12795.1279
H93.28603.28082.18242.26681.08003.02374.33562.74544.05323.12233.1223
H104.04672.71694.37342.14663.51411.09322.77445.44994.05321.76931.7693
H114.31003.27594.13972.15232.97671.09423.78205.12793.12231.76931.7694
H124.31003.27594.13972.15232.97671.09423.78205.12793.12231.76931.7694

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 111.337 O1 C2 H7 115.686
O1 C3 C5 110.802 O1 C3 H8 115.679
C2 O1 C3 106.134 C2 C4 C5 105.291
C2 C4 C6 127.479 C3 C5 C4 106.436
C3 C5 H9 126.427 C4 C2 H7 132.977
C4 C5 H9 127.137 C4 C6 H10 110.692
C4 C6 H11 111.088 C4 C6 H12 111.088
C5 C3 H8 133.520 C5 C4 C6 127.230
H10 C6 H11 107.969 H10 C6 H12 107.969
H11 C6 H12 107.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability