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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-268.756614
Energy at 298.15K-268.766020
Nuclear repulsion energy236.816024
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 HF/LANL2DZ
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 3449 3104 7.81      
2 A 3341 3007 60.97      
3 A 3319 2987 32.13      
4 A 3291 2962 28.11      
5 A 3282 2953 86.07      
6 A 3262 2936 31.60      
7 A 3223 2900 68.94      
8 A 3214 2892 40.60      
9 A 1877 1689 71.84      
10 A 1677 1509 1.42      
11 A 1659 1493 1.77      
12 A 1639 1475 12.58      
13 A 1624 1462 10.61      
14 A 1578 1420 13.16      
15 A 1521 1369 6.89      
16 A 1459 1313 7.94      
17 A 1398 1258 55.06      
18 A 1368 1231 0.12      
19 A 1318 1186 69.11      
20 A 1308 1177 3.02      
21 A 1198 1078 5.02      
22 A 1190 1071 2.95      
23 A 1152 1037 23.36      
24 A 1116 1004 25.22      
25 A 1054 949 40.84      
26 A 990 891 32.82      
27 A 952 857 37.52      
28 A 922 830 10.46      
29 A 869 782 35.44      
30 A 796 716 1.33      
31 A 667 600 2.00      
32 A 600 540 1.07      
33 A 350 315 3.89      
34 A 245 221 13.17      
35 A 181 163 2.35      
36 A 74 67 4.44      

Unscaled Zero Point Vibrational Energy (zpe) 28581.5 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 25720.5 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 HF/LANL2DZ
ABC
0.25175 0.10711 0.07838

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.401 -0.820 0.001
H2 -1.820 -1.282 -0.879
H3 -1.818 -1.281 0.882
O4 0.036 -1.093 -0.001
C5 -1.538 0.728 -0.000
H6 -2.074 1.083 0.872
H7 -2.072 1.082 -0.874
C8 -0.084 1.174 0.000
H9 0.231 2.195 0.000
C10 2.213 -0.013 0.000
H11 2.537 -0.566 -0.874
H12 2.687 0.958 -0.001
H13 2.537 -0.564 0.875
C14 0.727 0.118 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.07881.07881.46271.55412.19882.19882.38993.42823.70234.04204.45764.04202.3251
H21.07881.76162.06252.21192.95402.37783.13414.13174.31824.41605.10914.75203.0364
H31.07881.76162.06252.21182.37782.95503.13254.13004.31664.75045.10774.41403.0351
O41.46272.06252.06252.40723.15443.15282.27053.29392.42972.70123.35182.70241.3944
C51.55412.21192.21182.40721.08351.08351.52122.29813.82304.36394.23084.36352.3451
H62.19882.95402.37783.15441.08351.74572.17432.70294.50925.19874.84114.89603.0875
H72.19882.37782.95503.15281.08351.74572.17412.70314.50804.89514.83965.19743.0863
C82.38993.13413.13252.27051.52122.17432.17411.06822.58493.26492.77853.26381.3308
H93.42824.13174.13003.29392.29812.70292.70311.06822.96683.70182.74913.70022.1349
C103.70234.31824.31662.42973.82304.50924.50802.58492.96681.08371.08121.08371.4918
H114.04204.41604.75042.70124.36395.19874.89513.26493.70181.08371.76281.74922.1236
H124.45765.10915.10773.35184.23084.84114.83962.77852.74911.08121.76281.76272.1325
H134.04204.75204.41402.70244.36354.89605.19743.26383.70021.08371.74921.76272.1235
C142.32513.03643.03511.39442.34513.08753.08631.33082.13491.49182.12362.13252.1235

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 108.912 C1 C5 H6 111.710
C1 C5 H7 111.705 C1 C5 C8 101.990
H2 C1 H3 109.469 H2 C1 O4 107.531
H2 C1 C5 113.068 H3 C1 O4 107.530
H3 C1 C5 113.057 O4 C1 C5 105.828
O4 C14 C8 112.821 O4 C14 C10 114.623
C5 C8 H9 124.184 C5 C8 C14 110.449
H6 C5 H7 107.334 H6 C5 C8 112.090
H7 C5 C8 112.071 C8 C14 C10 132.556
H9 C8 C14 125.367 H11 C10 H12 109.027
H11 C10 H13 107.624 H11 C10 C14 110.076
H12 C10 H13 109.023 H12 C10 C14 110.946
H13 C10 C14 110.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 H 0.184      
3 H 0.184      
4 O -0.529      
5 C -0.359      
6 H 0.184      
7 H 0.184      
8 C -0.421      
9 H 0.226      
10 C -0.616      
11 H 0.202      
12 H 0.186      
13 H 0.202      
14 C 0.491      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.737 1.299 0.002 1.493
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.488 1.520 -0.000
y 1.520 -39.339 -0.003
z -0.000 -0.003 -38.015
Traceless
 xyz
x 7.189 1.520 -0.000
y 1.520 -4.587 -0.003
z -0.000 -0.003 -2.602
Polar
3z2-r2-5.204
x2-y27.851
xy1.520
xz-0.000
yz-0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.799 -0.743 0.000
y -0.743 7.935 0.001
z 0.000 0.001 5.422


<r2> (average value of r2) Å2
<r2> 158.314
(<r2>)1/2 12.582