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

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-268.537104
Energy at 298.15K-268.543702
HF Energy-267.681778
Nuclear repulsion energy219.798342
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 MP2/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' 3326 3168 0.40      
2 A' 3313 3156 0.49      
3 A' 3290 3134 0.74      
4 A' 3184 3033 14.01      
5 A' 3081 2935 30.89      
6 A' 1641 1563 0.41      
7 A' 1539 1466 13.65      
8 A' 1498 1427 8.41      
9 A' 1426 1359 4.31      
10 A' 1409 1343 1.36      
11 A' 1296 1235 3.72      
12 A' 1258 1199 1.68      
13 A' 1246 1186 24.02      
14 A' 1109 1056 17.05      
15 A' 1057 1007 13.75      
16 A' 1010 962 3.99      
17 A' 982 936 3.17      
18 A' 885 843 19.20      
19 A' 645 614 2.06      
20 A' 313 298 0.78      
21 A" 3169 3019 14.40      
22 A" 1481 1410 5.90      
23 A" 1058 1008 1.19      
24 A" 823 784 0.26      
25 A" 772 735 61.46      
26 A" 715 681 2.33      
27 A" 626 596 12.12      
28 A" 606 578 3.00      
29 A" 263 250 3.33      
30 A" 124 118 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 21572.1 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 20547.4 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 MP2/cc-pVDZ
ABC
0.29453 0.11102 0.08188

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.682 -1.477 0.000
C2 -1.081 -0.172 0.000
C3 0.682 -1.465 0.000
C4 0.000 0.686 0.000
C5 1.157 -0.172 0.000
C6 -0.032 2.187 0.000
H7 -2.156 -0.004 0.000
H8 1.165 -2.439 0.000
H9 2.205 0.128 0.000
H10 -1.069 2.559 0.000
H11 0.475 2.597 0.890
H12 0.475 2.597 -0.890

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36481.36332.26782.25463.72142.08442.08233.30284.05494.32754.3275
C21.36482.18571.37982.23772.58191.08853.19143.29932.73133.29833.2983
C31.36332.18572.25591.37723.72073.19171.08802.20394.38814.16304.1630
C42.26781.37982.25591.44021.50162.26403.33532.27432.15682.16102.1610
C52.25462.23771.37721.44022.64153.31742.26731.09013.52312.98722.9872
C63.72142.58193.72071.50162.64153.05214.77863.03981.10181.10291.1029
H72.08441.08853.19172.26403.31743.05214.11854.36312.78463.80533.8053
H82.08233.19141.08803.33532.26734.77864.11852.77005.47505.16065.1606
H93.30283.29932.20392.27431.09013.03984.36312.77004.07743.14303.1430
H104.05492.73134.38812.15683.52311.10182.78465.47504.07741.78211.7821
H114.32753.29834.16302.16102.98721.10293.80535.16063.14301.78211.7798
H124.32753.29834.16302.16102.98721.10293.80535.16063.14301.78211.7798

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 111.431 O1 C2 H7 115.883
O1 C3 C5 110.711 O1 C3 H8 115.859
C2 O1 C3 106.483 C2 C4 C5 105.005
C2 C4 C6 127.235 C3 C5 C4 106.371
C3 C5 H9 126.172 C4 C2 H7 132.686
C4 C5 H9 127.458 C4 C6 H10 110.947
C4 C6 H11 111.213 C4 C6 H12 111.213
C5 C3 H8 133.430 C5 C4 C6 127.760
H10 C6 H11 107.864 H10 C6 H12 107.864
H11 C6 H12 107.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability