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

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-270.568268
Energy at 298.15K-270.577354
Nuclear repulsion energy237.827434
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 B3LYP/6-31G(2df,p)
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 3245 3132 4.27      
2 A 3136 3027 13.39      
3 A 3095 2987 40.63      
4 A 3088 2980 13.57      
5 A 3053 2946 46.58      
6 A 3036 2930 23.33      
7 A 3031 2925 37.31      
8 A 3009 2903 52.12      
9 A 1736 1676 53.11      
10 A 1522 1469 0.19      
11 A 1499 1447 0.15      
12 A 1488 1436 3.63      
13 A 1470 1419 5.87      
14 A 1419 1369 19.76      
15 A 1405 1355 4.47      
16 A 1319 1272 10.61      
17 A 1271 1227 39.25      
18 A 1252 1208 4.33      
19 A 1210 1167 9.73      
20 A 1203 1161 36.31      
21 A 1081 1043 0.19      
22 A 1062 1025 3.49      
23 A 1040 1004 33.86      
24 A 1020 984 16.16      
25 A 988 953 22.95      
26 A 934 901 16.86      
27 A 912 880 18.64      
28 A 846 817 2.68      
29 A 736 710 20.46      
30 A 713 688 1.99      
31 A 634 612 0.80      
32 A 563 543 1.34      
33 A 332 321 1.87      
34 A 224 216 5.74      
35 A 170 164 1.52      
36 A 80 77 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 26410.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 25486.2 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 B3LYP/6-31G(2df,p)
ABC
0.25173 0.10901 0.07959

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.363 -0.819 0.065
H2 -1.886 -1.381 -0.714
H3 -1.689 -1.194 1.042
O4 0.051 -1.093 -0.065
C5 -1.536 0.716 -0.050
H6 -2.169 1.111 0.754
H7 -2.009 1.010 -0.996
C8 -0.098 1.173 0.035
H9 0.225 2.203 0.067
C10 2.191 0.003 0.007
H11 2.543 -0.515 -0.892
H12 2.649 0.993 0.045
H13 2.534 -0.580 0.869
C14 0.706 0.110 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09291.09611.44581.54932.20202.21142.36023.41403.64814.03304.40263.98622.2690
H21.09291.77622.06312.22672.90492.41043.20594.23184.36534.51685.17504.76273.0743
H31.09611.77622.06432.20522.37193.01923.02484.01914.18994.70224.95954.27072.9190
O41.44582.06312.06432.40653.23283.08772.27313.30272.40522.68883.33372.70191.3712
C51.54932.22672.20522.40651.09571.09841.51142.30833.79534.34374.19604.36932.3233
H62.20202.90492.37193.23281.09571.76002.19252.71944.55945.24894.87124.99853.1355
H72.21142.41043.01923.08771.09841.76002.17732.74724.43424.80224.77365.16223.0292
C82.36023.20593.02482.27311.51142.19252.17731.07962.57113.26892.75373.27101.3336
H93.41404.23184.01913.30272.30832.71942.74721.07962.95043.69822.70913.70342.1481
C103.64814.36534.18992.40523.79534.55944.43422.57112.95041.09571.09151.09561.4888
H114.03304.51684.70222.68884.34375.24894.80223.26893.69821.09571.77841.76212.1360
H124.40265.17504.95953.33374.19604.87124.77362.75372.70911.09151.77841.77932.1350
H133.98624.76274.27072.70194.36934.99855.16223.27103.70341.09561.76211.77932.1382
C142.26903.07432.91901.37122.32333.13553.02921.33362.14811.48882.13602.13502.1382

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 107.277 C1 C5 H6 111.568
C1 C5 H7 112.158 C1 C5 C8 100.906
H2 C1 H3 108.470 H2 C1 O4 107.905
H2 C1 C5 113.745 H3 C1 O4 107.811
H3 C1 C5 111.796 O4 C1 C5 106.877
O4 C14 C8 114.361 O4 C14 C10 114.430
C5 C8 H9 125.142 C5 C8 C14 109.341
H6 C5 H7 106.677 H6 C5 C8 113.527
H7 C5 C8 112.116 C8 C14 C10 131.206
H9 C8 C14 125.452 H11 C10 H12 108.790
H11 C10 H13 107.051 H11 C10 C14 110.553
H12 C10 H13 108.878 H12 C10 C14 110.727
H13 C10 C14 110.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.081      
2 H 0.112      
3 H 0.108      
4 O -0.272      
5 C -0.266      
6 H 0.107      
7 H 0.107      
8 C -0.254      
9 H 0.090      
10 C -0.478      
11 H 0.137      
12 H 0.130      
13 H 0.136      
14 C 0.425      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.327 0.602 0.090 0.691
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.427 1.127 -0.010
y 1.127 -37.241 -0.117
z -0.010 -0.117 -36.673
Traceless
 xyz
x 4.530 1.127 -0.010
y 1.127 -2.691 -0.117
z -0.010 -0.117 -1.839
Polar
3z2-r2-3.678
x2-y24.814
xy1.127
xz-0.010
yz-0.117


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.020 -0.511 0.019
y -0.511 8.424 -0.011
z 0.019 -0.011 6.016


<r2> (average value of r2) Å2
<r2> 156.231
(<r2>)1/2 12.499