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All results from a given calculation for C5H8O (Furan, 2,3-dihydro-5-methyl-)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-269.798903
Energy at 298.15K-269.808224
HF Energy-268.852429
Nuclear repulsion energy238.346008
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 MP3=FULL/6-31+G**
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 3338 3110 3.64      
2 A 3238 3017 14.88      
3 A 3225 3004 32.45      
4 A 3209 2990 10.96      
5 A 3184 2966 27.43      
6 A 3134 2920 19.01      
7 A 3132 2918 49.66      
8 A 3119 2906 41.29      
9 A 1789 1666 46.67      
10 A 1577 1469 0.36      
11 A 1555 1448 0.56      
12 A 1547 1441 5.28      
13 A 1524 1420 6.97      
14 A 1475 1374 19.02      
15 A 1446 1347 9.84      
16 A 1378 1284 9.22      
17 A 1315 1225 49.55      
18 A 1292 1203 10.67      
19 A 1245 1160 41.49      
20 A 1239 1155 6.01      
21 A 1117 1040 0.53      
22 A 1092 1017 33.71      
23 A 1087 1013 17.19      
24 A 1060 987 2.81      
25 A 1003 935 9.15      
26 A 969 903 14.64      
27 A 937 873 32.00      
28 A 893 832 7.74      
29 A 743 693 37.41      
30 A 693 645 1.08      
31 A 641 597 1.68      
32 A 550 513 1.02      
33 A 340 316 2.71      
34 A 232 216 5.89      
35 A 178 165 5.73      
36 A 164 153 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 27329.6 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 25460.2 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 MP3=FULL/6-31+G**
ABC
0.25302 0.10922 0.08025

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.361 -0.821 0.065
H2 -1.879 -1.372 -0.716
H3 -1.691 -1.193 1.034
O4 0.049 -1.092 -0.063
C5 -1.537 0.713 -0.050
H6 -2.159 1.103 0.755
H7 -2.006 1.001 -0.992
C8 -0.101 1.177 0.034
H9 0.219 2.204 0.068
C10 2.193 0.000 0.007
H11 2.534 -0.512 -0.892
H12 2.646 0.987 0.047
H13 2.524 -0.580 0.866
C14 0.708 0.112 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.08711.09001.44101.54822.19382.20272.36233.41243.64814.02254.39543.97372.2701
H21.08711.76952.05472.21522.89182.39213.19744.21934.35784.49985.15954.74513.0671
H31.09001.76952.05942.19852.35963.00353.02444.01524.19144.69324.95324.26242.9201
O41.44102.05472.05942.40263.21863.07632.27603.30302.40762.68343.32822.69281.3737
C51.54822.21522.19852.40261.08921.09111.51182.30643.79834.33404.19294.35932.3248
H62.19382.89182.35963.21861.08921.75672.18232.70924.55215.22954.85854.97783.1262
H72.20272.39213.00353.07631.09111.75672.17132.74224.43074.78634.76635.14513.0233
C82.36233.19743.02442.27601.51182.18232.17131.07602.57863.26402.75323.26641.3381
H93.41244.21934.01523.30302.30642.70922.74221.07602.96003.69612.71563.70222.1501
C103.64814.35784.19142.40763.79834.55214.43072.57862.96001.08891.08601.08881.4895
H114.02254.49984.69322.68344.33405.22954.78633.26403.69611.08891.77201.75962.1259
H124.39545.15954.95323.32824.19294.85854.76632.75322.71561.08601.77201.77262.1267
H133.97374.74514.26242.69284.35934.97785.14513.26643.70221.08881.75961.77262.1275
C142.27013.06712.92011.37372.32483.12623.02331.33812.15011.48952.12592.12672.1275

picture of Furan, 2,3-dihydro-5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C14 107.493 C1 C5 H6 111.376
C1 C5 H7 111.974 C1 C5 C8 101.058
H2 C1 H3 108.732 H2 C1 O4 107.911
H2 C1 C5 113.246 H3 C1 O4 108.114
H3 C1 C5 111.709 O4 C1 C5 106.928
O4 C14 C8 114.123 O4 C14 C10 114.408
C5 C8 H9 125.213 C5 C8 C14 109.169
H6 C5 H7 107.354 H6 C5 C8 113.074
H7 C5 C8 112.048 C8 C14 C10 131.467
H9 C8 C14 125.556 H11 C10 H12 109.115
H11 C10 H13 107.804 H11 C10 C14 110.102
H12 C10 H13 109.185 H12 C10 C14 110.342
H13 C10 C14 110.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability