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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-270.404451
Energy at 298.15K-270.413508
Nuclear repulsion energy236.283817
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 mPW1PW91/6-31G
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 3305 3128 4.42      
2 A 3190 3020 13.59      
3 A 3175 3006 36.38      
4 A 3149 2981 12.68      
5 A 3117 2950 47.01      
6 A 3100 2935 18.05      
7 A 3078 2914 21.27      
8 A 3066 2902 48.73      
9 A 1776 1681 45.27      
10 A 1568 1484 0.75      
11 A 1549 1466 1.03      
12 A 1539 1456 8.82      
13 A 1522 1441 11.09      
14 A 1471 1392 13.99      
15 A 1415 1340 8.16      
16 A 1353 1281 8.60      
17 A 1301 1232 48.26      
18 A 1277 1209 0.31      
19 A 1241 1175 43.04      
20 A 1219 1154 0.92      
21 A 1117 1058 5.79      
22 A 1102 1043 2.60      
23 A 1072 1014 6.53      
24 A 1045 989 12.56      
25 A 987 934 53.43      
26 A 949 899 15.54      
27 A 898 850 26.64      
28 A 862 816 0.58      
29 A 773 732 32.94      
30 A 742 702 0.94      
31 A 643 609 1.44      
32 A 557 527 1.21      
33 A 335 317 3.12      
34 A 228 216 10.62      
35 A 159 151 1.93      
36 A 39 37 2.77      

Unscaled Zero Point Vibrational Energy (zpe) 26958.3 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 25518.7 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 mPW1PW91/6-31G
ABC
0.24918 0.10745 0.07837

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.399 -0.816 0.000
H2 -1.823 -1.284 -0.889
H3 -1.822 -1.283 0.890
O4 0.049 -1.110 -0.000
C5 -1.535 0.727 -0.000
H6 -2.080 1.086 0.880
H7 -2.080 1.085 -0.881
C8 -0.091 1.175 0.000
H9 0.222 2.208 0.000
C10 2.203 -0.003 0.000
H11 2.545 -0.556 -0.880
H12 2.671 0.983 -0.000
H13 2.545 -0.555 0.881
C14 0.726 0.115 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09091.09091.47731.54892.20332.20342.38233.43073.69294.04904.44994.04902.3197
H21.09091.77962.07952.21762.96862.38313.13664.14314.31774.42785.11144.76873.0404
H31.09091.77962.07952.21752.38302.96903.13604.14234.31714.76805.11084.42713.0399
O41.47732.07952.07952.42513.18263.18212.28933.32182.42222.70373.35492.70421.3995
C51.54892.21762.21752.42511.09621.09621.51172.29763.80844.36584.21374.36572.3417
H62.20332.96862.38303.18261.09621.76142.17742.70864.50665.21394.83394.90743.0970
H72.20342.38312.96903.18211.09621.76142.17742.70874.50624.90704.83345.21363.0966
C82.38233.13663.13602.28931.51172.17742.17741.07882.57893.27372.76903.27341.3381
H93.43074.14314.14233.32182.29762.70862.70871.07882.96803.71542.73833.71492.1521
C103.69294.31774.31712.42223.80844.50664.50622.57892.96801.09441.09081.09441.4822
H114.04904.42784.76802.70374.36585.21394.90703.27373.71541.09441.77681.76152.1292
H124.44995.11145.11083.35494.21374.83394.83342.76902.73831.09081.77681.77682.1302
H134.04904.76874.42712.70424.36574.90745.21363.27343.71491.09441.76151.77682.1292
C142.31973.04043.03991.39952.34173.09703.09661.33812.15211.48222.12922.13022.1292

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 107.451 C1 C5 H6 111.668
C1 C5 H7 111.671 C1 C5 C8 102.222
H2 C1 H3 109.310 H2 C1 O4 107.176
H2 C1 C5 113.151 H3 C1 O4 107.175
H3 C1 C5 113.145 O4 C1 C5 106.499
O4 C14 C8 113.465 O4 C14 C10 114.364
C5 C8 H9 124.127 C5 C8 C14 110.363
H6 C5 H7 106.908 H6 C5 C8 112.237
H7 C5 C8 112.232 C8 C14 C10 132.171
H9 C8 C14 125.509 H11 C10 H12 108.806
H11 C10 H13 107.180 H11 C10 C14 110.547
H12 C10 H13 108.805 H12 C10 C14 110.853
H13 C10 C14 110.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.076      
2 H 0.183      
3 H 0.183      
4 O -0.563      
5 C -0.399      
6 H 0.178      
7 H 0.178      
8 C -0.201      
9 H 0.165      
10 C -0.532      
11 H 0.194      
12 H 0.178      
13 H 0.194      
14 C 0.318      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.604 1.078 0.001 1.235
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.900 1.435 0.000
y 1.435 -37.859 -0.001
z 0.000 -0.001 -37.052
Traceless
 xyz
x 6.555 1.435 0.000
y 1.435 -3.883 -0.001
z 0.000 -0.001 -2.672
Polar
3z2-r2-5.345
x2-y26.958
xy1.435
xz0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.407 -0.591 0.000
y -0.591 8.122 0.000
z 0.000 0.000 5.454


<r2> (average value of r2) Å2
<r2> 157.868
(<r2>)1/2 12.565