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

using model chemistry: B2PLYP=FULLultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-270.243501
Energy at 298.15K 
HF Energy-269.964367
Nuclear repulsion energy237.818137
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 B2PLYP=FULLultrafine/6-31G*
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 3282 3114 4.26      
2 A 3183 3019 14.18      
3 A 3162 3000 38.57      
4 A 3146 2985 13.93      
5 A 3112 2953 40.24      
6 A 3084 2926 19.53      
7 A 3084 2925 43.08      
8 A 3058 2901 49.59      
9 A 1753 1663 46.44      
10 A 1568 1488 0.14      
11 A 1547 1467 0.12      
12 A 1540 1461 4.93      
13 A 1521 1443 6.91      
14 A 1463 1388 13.46      
15 A 1432 1359 9.09      
16 A 1355 1286 10.86      
17 A 1298 1231 41.19      
18 A 1277 1211 10.00      
19 A 1235 1171 14.70      
20 A 1225 1162 32.72      
21 A 1109 1052 0.49      
22 A 1088 1032 3.47      
23 A 1059 1005 26.39      
24 A 1041 988 21.35      
25 A 994 943 21.94      
26 A 954 905 16.24      
27 A 923 876 21.25      
28 A 873 829 6.39      
29 A 735 697 24.60      
30 A 700 664 1.46      
31 A 636 604 1.25      
32 A 553 525 2.63      
33 A 334 317 2.12      
34 A 226 214 5.88      
35 A 174 166 2.40      
36 A 122 116 1.80      

Unscaled Zero Point Vibrational Energy (zpe) 26922.2 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 25541.1 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.25167 0.10897 0.07976

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.358 -0.824 0.060
H2 -1.873 -1.376 -0.729
H3 -1.697 -1.205 1.028
O4 0.054 -1.094 -0.058
C5 -1.540 0.713 -0.047
H6 -2.165 1.102 0.764
H7 -2.018 1.009 -0.989
C8 -0.104 1.177 0.033
H9 0.212 2.210 0.065
C10 2.193 0.005 0.006
H11 2.541 -0.511 -0.894
H12 2.648 0.996 0.043
H13 2.532 -0.575 0.869
C14 0.706 0.112 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09211.09501.44271.55152.20352.21192.36133.41633.64674.02614.39983.98092.2667
H21.09211.77442.06032.22312.90772.40333.19844.22414.35704.50155.16394.75413.0656
H31.09501.77442.06392.20472.36863.01223.03364.02984.20034.70514.96934.27852.9266
O41.44272.06032.06392.41073.22883.09582.27933.31102.40582.68753.33292.69601.3721
C51.55152.22312.20472.41071.09491.09691.51102.30763.80024.34474.19874.36842.3260
H62.20352.90772.36863.22881.09491.76182.18772.71474.55735.24404.86774.98853.1316
H72.21192.40333.01223.09581.09691.76182.17592.74394.44184.80704.77885.16373.0338
C82.36133.19843.03362.27931.51102.18772.17591.08102.57943.27272.75843.27441.3394
H93.41634.22414.02983.31102.30762.71472.74391.08102.96473.70832.72163.71322.1571
C103.64674.35704.20032.40583.80024.55734.44182.57942.96471.09431.09091.09411.4908
H114.02614.50154.70512.68754.34475.24404.80703.27273.70831.09431.77821.76392.1342
H124.39985.16394.96933.33294.19874.86774.77882.75842.72161.09091.77821.77912.1343
H133.98094.75414.27852.69604.36844.98855.16373.27443.71321.09411.76391.77912.1356
C142.26673.06562.92661.37212.32603.13163.03381.33942.15711.49082.13422.13432.1356

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 107.243 C1 C5 H6 111.578
C1 C5 H7 112.135 C1 C5 C8 100.886
H2 C1 H3 108.447 H2 C1 O4 107.942
H2 C1 C5 113.337 H3 C1 O4 108.060
H3 C1 C5 111.673 O4 C1 C5 107.189
O4 C14 C8 114.396 O4 C14 C10 114.287
C5 C8 H9 124.992 C5 C8 C14 109.230
H6 C5 H7 106.993 H6 C5 C8 113.212
H7 C5 C8 112.118 C8 C14 C10 131.315
H9 C8 C14 125.722 H11 C10 H12 108.924
H11 C10 H13 107.420 H11 C10 C14 110.360
H12 C10 H13 109.014 H12 C10 C14 110.568
H13 C10 C14 110.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability