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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-270.198560
Energy at 298.15K-270.207530
Nuclear repulsion energy236.570552
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 PBEPBEultrafine/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 3188 3136 4.87      
2 A 3092 3041 12.20      
3 A 3051 3001 37.69      
4 A 3041 2991 13.17      
5 A 3004 2954 41.26      
6 A 2984 2935 24.45      
7 A 2971 2922 47.07      
8 A 2943 2895 54.89      
9 A 1696 1668 48.24      
10 A 1496 1471 0.14      
11 A 1475 1450 0.35      
12 A 1470 1446 4.95      
13 A 1452 1428 8.09      
14 A 1394 1371 18.69      
15 A 1372 1350 7.38      
16 A 1292 1271 11.80      
17 A 1238 1218 43.16      
18 A 1225 1205 9.83      
19 A 1183 1163 23.70      
20 A 1176 1156 11.06      
21 A 1057 1040 1.11      
22 A 1036 1018 3.99      
23 A 1010 993 17.58      
24 A 1005 988 27.94      
25 A 962 946 22.96      
26 A 924 909 11.82      
27 A 894 880 19.18      
28 A 837 823 3.90      
29 A 694 682 20.22      
30 A 676 664 4.81      
31 A 621 611 0.96      
32 A 536 527 2.06      
33 A 324 319 2.12      
34 A 217 214 6.46      
35 A 167 164 2.19      
36 A 111 109 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 25906.0 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 25478.6 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 PBEPBEultrafine/6-31G*
ABC
0.24869 0.10808 0.07899

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.363 -0.819 0.089
H2 -1.917 -1.421 -0.649
H3 -1.645 -1.156 1.105
O4 0.055 -1.103 -0.087
C5 -1.543 0.711 -0.072
H6 -2.216 1.122 0.704
H7 -1.984 0.982 -1.053
C8 -0.111 1.180 0.052
H9 0.209 2.221 0.093
C10 2.199 0.009 0.008
H11 2.558 -0.500 -0.905
H12 2.657 1.008 0.057
H13 2.551 -0.586 0.869
C14 0.710 0.111 0.002

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.10161.10641.45681.54922.20702.22102.35933.42273.65784.05764.41593.99782.2736
H21.10161.79402.07482.24002.89512.43713.24314.28194.40634.57585.22674.79203.1097
H31.10641.79402.07732.20912.38193.05602.98683.98344.16394.70484.92874.24142.8927
O41.45682.07482.07732.41763.27563.07162.29293.33242.41692.70113.35382.72251.3820
C51.54922.24002.20912.41761.10511.10921.51252.31913.80834.35674.21264.39692.3329
H62.20702.89512.38193.27561.10511.77702.20452.73164.60545.29184.91675.06633.1737
H72.22102.43713.05603.07161.10921.77702.18392.76774.42374.78004.77195.16933.0214
C82.35933.24312.98682.29291.51252.20452.18391.09002.58973.29512.77283.29741.3485
H93.42274.28193.98343.33242.31912.73162.76771.09002.97663.73052.73203.73762.1708
C103.65784.40634.16392.41693.80834.60544.42372.58972.97661.10491.10051.10471.4925
H114.05764.57584.70482.70114.35675.29184.78003.29513.73051.10491.79141.77592.1473
H124.41595.22674.92873.35384.21264.91674.77192.77282.73201.10051.79141.79302.1446
H133.99784.79204.24142.72254.39695.06635.16933.29743.73761.10471.77591.79302.1513
C142.27363.10972.89271.38202.33293.17373.02141.34852.17081.49252.14732.14462.1513

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 106.404 C1 C5 H6 111.398
C1 C5 H7 112.274 C1 C5 C8 100.808
H2 C1 H3 108.681 H2 C1 O4 107.567
H2 C1 C5 114.290 H3 C1 O4 107.484
H3 C1 C5 111.489 O4 C1 C5 107.035
O4 C14 C8 114.222 O4 C14 C10 114.395
C5 C8 H9 125.246 C5 C8 C14 109.122
H6 C5 H7 106.734 H6 C5 C8 113.835
H7 C5 C8 111.899 C8 C14 C10 131.376
H9 C8 C14 125.466 H11 C10 H12 108.640
H11 C10 H13 106.978 H11 C10 C14 110.643
H12 C10 H13 108.800 H12 C10 C14 110.695
H13 C10 C14 110.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.083      
2 H 0.162      
3 H 0.158      
4 O -0.455      
5 C -0.356      
6 H 0.160      
7 H 0.161      
8 C -0.235      
9 H 0.131      
10 C -0.569      
11 H 0.183      
12 H 0.175      
13 H 0.182      
14 C 0.386      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.366 0.579 0.109 0.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.004 1.181 -0.023
y 1.181 -37.134 -0.161
z -0.023 -0.161 -36.970
Traceless
 xyz
x 5.048 1.181 -0.023
y 1.181 -2.648 -0.161
z -0.023 -0.161 -2.401
Polar
3z2-r2-4.801
x2-y25.131
xy1.181
xz-0.023
yz-0.161


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.056 -0.520 0.028
y -0.520 8.421 0.003
z 0.028 0.003 5.830


<r2> (average value of r2) Å2
<r2> 157.365
(<r2>)1/2 12.545