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All results from a given calculation for C4H8O2 (1,3-Dioxolane, 2-methyl-)

using model chemistry: B3LYP/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 B3LYP/LANL2DZ
 hartrees
Energy at 0K-307.626384
Energy at 298.15K-307.636628
Nuclear repulsion energy257.321773
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/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 3173 3050 51.33      
2 A 3171 3048 19.06      
3 A 3159 3036 23.11      
4 A 3141 3019 38.56      
5 A 3078 2958 59.17      
6 A 3064 2945 15.58      
7 A 3052 2934 71.34      
8 A 3030 2912 79.70      
9 A 1537 1478 1.01      
10 A 1524 1465 5.36      
11 A 1508 1449 8.91      
12 A 1503 1445 8.08      
13 A 1442 1386 44.78      
14 A 1412 1357 20.37      
15 A 1376 1322 0.67      
16 A 1365 1312 0.41      
17 A 1322 1271 6.75      
18 A 1232 1185 14.94      
19 A 1201 1154 1.41      
20 A 1179 1134 29.32      
21 A 1139 1095 10.51      
22 A 1122 1079 90.10      
23 A 1109 1066 49.14      
24 A 1018 979 26.89      
25 A 1000 961 27.29      
26 A 942 906 36.62      
27 A 878 843 0.79      
28 A 825 793 28.53      
29 A 794 764 32.18      
30 A 676 650 1.08      
31 A 655 629 3.60      
32 A 479 461 9.23      
33 A 324 312 9.41      
34 A 212 204 1.60      
35 A 198 191 3.52      
36 A 55 53 12.67      

Unscaled Zero Point Vibrational Energy (zpe) 26448.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 25421.9 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/LANL2DZ
ABC
0.22169 0.10986 0.08185

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.101 0.013 -0.248
H2 -2.669 -0.901 -0.039
H3 -2.664 0.874 0.129
H4 -1.971 0.116 -1.330
C5 -0.746 -0.051 0.429
H6 -0.824 -0.160 1.523
O7 0.039 1.170 0.160
O8 0.040 -1.153 -0.115
C9 1.444 -0.751 0.037
H10 2.027 -1.318 -0.693
H11 1.795 -0.975 1.055
C12 1.404 0.771 -0.232
H13 1.547 1.005 -1.293
H14 2.124 1.332 0.374

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09621.09571.09451.51572.18992.46692.44083.63784.35964.22503.58653.92284.4695
H21.09621.78301.78552.15402.52863.41552.72164.11714.75974.59704.40784.79465.3040
H31.09571.78301.78362.15002.52902.71923.38754.41895.24224.91484.08544.44674.8158
H41.09451.78551.78362.14963.08702.71492.67003.77984.29494.58933.60973.62954.5990
C51.51572.15402.15002.14961.10241.47681.45842.33293.24842.77542.39523.05633.1864
H62.18992.52862.52903.08701.10242.09132.10132.77583.79202.78272.98533.86163.4982
O72.46693.41552.71922.71491.47682.09132.33942.38413.29682.91331.47552.10062.1022
O82.44082.72163.38752.67001.45842.10132.33941.46882.07612.11722.36162.88433.2798
C93.63784.11714.41893.77982.33292.77582.38411.46881.09191.09981.54652.20582.2172
H104.35964.75975.24224.29493.24843.79203.29682.07611.09191.79622.22772.44682.8579
H114.22504.59704.91484.58932.77542.78272.91332.11721.09981.79622.20363.08142.4274
C123.58654.40784.08543.60972.39522.98531.47552.36161.54652.22772.20361.09621.0950
H133.92284.79464.44673.62953.05633.86162.10062.88432.20582.44683.08141.09621.7937
H144.46955.30404.81584.59903.18643.49822.10223.27982.21722.85792.42741.09501.7937

picture of 1,3-Dioxolane, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 112.581 C1 C5 O7 111.043
C1 C5 O8 110.298 H2 C1 H3 108.867
H2 C1 H4 109.181 H2 C1 C5 110.080
H3 C1 H4 109.057 H3 C1 C5 109.796
H4 C1 C5 109.836 C5 O7 C12 108.447
C5 O8 C9 105.685 H6 C5 O7 107.467
H6 C5 O8 109.496 O7 C5 O8 105.689
O7 C12 C9 104.144 O7 C12 H13 108.637
O7 C12 H14 108.830 O8 C9 H10 107.423
O8 C9 H11 110.197 O8 C9 C12 103.081
C9 C12 H13 112.039 C9 C12 H14 113.034
H10 C9 H11 110.078 H10 C9 C12 114.094
H11 C9 C12 111.641 H13 C12 H14 109.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.621      
2 H 0.206      
3 H 0.208      
4 H 0.221      
5 C 0.131      
6 H 0.188      
7 O -0.329      
8 O -0.316      
9 C -0.274      
10 H 0.225      
11 H 0.197      
12 C -0.246      
13 H 0.205      
14 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.464 -0.263 0.403 1.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.325 -0.078 -0.906
y -0.078 -42.612 -1.228
z -0.906 -1.228 -35.206
Traceless
 xyz
x 9.583 -0.078 -0.906
y -0.078 -10.347 -1.228
z -0.906 -1.228 0.763
Polar
3z2-r21.526
x2-y213.287
xy-0.078
xz-0.906
yz-1.228


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.349 0.029 -0.256
y 0.029 6.241 -0.063
z -0.256 -0.063 5.901


<r2> (average value of r2) Å2
<r2> 154.798
(<r2>)1/2 12.442