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

using model chemistry: CCSD/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 CCSD/cc-pVDZ
 hartrees
Energy at 0K-268.576723
Energy at 298.15K-268.583375
HF Energy-267.682574
Nuclear repulsion energy219.686274
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/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' 3312 3137 1.00      
2 A' 3301 3127 1.29      
3 A' 3275 3103 1.28      
4 A' 3150 2984 18.63      
5 A' 3060 2899 32.97      
6 A' 1686 1597 0.53      
7 A' 1579 1496 18.61      
8 A' 1500 1421 5.37      
9 A' 1437 1362 3.24      
10 A' 1421 1346 1.22      
11 A' 1299 1230 5.75      
12 A' 1269 1203 1.31      
13 A' 1231 1166 23.77      
14 A' 1105 1047 16.19      
15 A' 1064 1008 22.14      
16 A' 1020 966 3.00      
17 A' 978 926 2.02      
18 A' 893 846 21.78      
19 A' 645 611 2.47      
20 A' 314 298 0.81      
21 A" 3132 2967 19.80      
22 A" 1483 1405 5.07      
23 A" 1065 1009 0.84      
24 A" 854 809 0.45      
25 A" 796 754 49.16      
26 A" 750 710 6.23      
27 A" 616 583 8.04      
28 A" 611 579 11.87      
29 A" 264 250 2.94      
30 A" 132 125 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21621.2 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 20481.7 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 CCSD/cc-pVDZ
ABC
0.29405 0.11085 0.08176

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.699 -1.470 0.000
C2 -1.081 -0.156 0.000
C3 0.665 -1.471 0.000
C4 0.000 0.685 0.000
C5 1.158 -0.194 0.000
C6 -0.005 2.191 0.000
H7 -2.155 0.026 0.000
H8 1.140 -2.451 0.000
H9 2.209 0.095 0.000
H10 -1.038 2.582 0.000
H11 0.510 2.591 0.892
H12 0.510 2.591 -0.892

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36841.36412.26542.25283.72612.08792.08453.30304.06594.33054.3305
C21.36842.18581.36982.23922.58181.08923.19373.30022.73823.29803.2980
C31.36412.18582.25581.36833.72243.19291.08902.19954.39564.16184.1618
C42.26541.36982.25581.45341.50612.25353.33622.28662.16212.16582.1658
C52.25282.23921.36831.45342.65343.32012.25641.09093.53892.99572.9957
C63.72612.58183.72241.50612.65343.05074.78063.04891.10371.10521.1052
H72.08791.08923.19292.25353.32013.05074.12254.36502.78903.80513.8051
H82.08453.19371.08903.33622.25644.78064.12252.76125.48335.15885.1588
H93.30303.30022.19952.28661.09093.04894.36502.76124.08953.14843.1484
H104.06592.73824.39562.16213.53891.10372.78905.48334.08951.78631.7863
H114.33053.29804.16182.16582.99571.10523.80515.15883.14841.78631.7835
H124.33053.29804.16182.16582.99571.10523.80515.15883.14841.78631.7835

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 111.653 O1 C2 H7 115.862
O1 C3 C5 111.072 O1 C3 H8 115.913
C2 O1 C3 106.247 C2 C4 C5 104.919
C2 C4 C6 127.667 C3 C5 C4 106.109
C3 C5 H9 126.495 C4 C2 H7 132.486
C4 C5 H9 127.396 C4 C6 H10 110.943
C4 C6 H11 111.150 C4 C6 H12 111.150
C5 C3 H8 133.015 C5 C4 C6 127.414
H10 C6 H11 107.931 H10 C6 H12 107.931
H11 C6 H12 107.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability