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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-305.943393
Energy at 298.15K-305.954124
HF Energy-305.943393
Nuclear repulsion energy265.370986
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/TZVP
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 3268 2970 62.76      
2 A 3266 2967 29.17      
3 A 3256 2958 25.99      
4 A 3237 2941 32.18      
5 A 3197 2905 82.12      
6 A 3187 2895 19.89      
7 A 3167 2877 55.16      
8 A 3113 2828 91.93      
9 A 1669 1517 1.43      
10 A 1651 1500 3.06      
11 A 1610 1463 35.04      
12 A 1607 1461 2.38      
13 A 1588 1443 60.90      
14 A 1536 1395 24.77      
15 A 1525 1386 2.30      
16 A 1515 1377 0.42      
17 A 1477 1342 0.21      
18 A 1366 1241 22.62      
19 A 1344 1222 5.08      
20 A 1292 1174 172.41      
21 A 1281 1164 77.32      
22 A 1246 1132 47.26      
23 A 1224 1112 43.88      
24 A 1193 1084 6.59      
25 A 1158 1052 60.70      
26 A 1022 929 14.03      
27 A 985 895 56.36      
28 A 940 854 5.59      
29 A 921 836 2.12      
30 A 779 708 2.14      
31 A 764 694 5.61      
32 A 548 498 5.39      
33 A 355 323 6.03      
34 A 243 221 0.04      
35 A 190 172 8.32      
36 A 44 40 3.69      

Unscaled Zero Point Vibrational Energy (zpe) 28382.0 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 25787.9 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 HF/TZVP
ABC
0.24098 0.11563 0.08569

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.063 0.011 -0.225
H2 -2.608 -0.900 -0.011
H3 -2.615 0.853 0.173
H4 -1.967 0.125 -1.298
C5 -0.697 -0.047 0.405
H6 -0.773 -0.163 1.485
O7 0.040 1.116 0.136
O8 0.046 -1.100 -0.120
C9 1.392 -0.744 0.027
H10 1.985 -1.284 -0.696
H11 1.743 -0.985 1.028
C12 1.358 0.764 -0.204
H13 1.542 1.014 -1.242
H14 2.061 1.304 0.418

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.08341.08301.08261.50562.14982.40232.38643.54584.27574.12943.50343.87784.3694
H21.08341.76301.76592.13392.48003.33082.66434.00364.65944.47464.30604.73345.1809
H31.08301.76301.76452.13182.48002.66803.31434.31655.14604.80713.99264.39484.7041
H41.08261.76591.76452.13103.04212.65752.63483.71444.23854.51763.55873.62054.5341
C51.50562.13392.13182.13101.08951.40201.39142.23433.15132.68762.29192.97503.0708
H62.14982.48002.48003.04211.08952.02862.03082.67373.68982.68612.87323.76613.3645
O72.40233.33082.66802.65751.40202.02862.23002.30183.19882.84801.40652.04152.0495
O82.38642.66433.31432.63481.39142.03082.23001.39992.03032.05192.28122.82223.1823
C93.54584.00364.31653.71442.23432.67372.30181.39991.07961.08731.52632.17352.1896
H104.27574.65945.14604.23853.15133.68983.19882.03031.07961.76562.19782.40312.8188
H114.12944.47464.80714.51762.68762.68612.84802.05191.08731.76562.17403.03142.3904
C123.50344.30603.99263.55872.29192.87321.40652.28121.52632.19782.17401.08361.0824
H133.87784.73344.39483.62052.97503.76612.04152.82222.17352.40313.03141.08361.7636
H144.36945.18094.70414.53413.07083.36452.04953.18232.18962.81882.39041.08241.7636

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 110.857 C1 C5 O7 111.371
C1 C5 O8 110.865 H2 C1 H3 108.934
H2 C1 H4 109.234 H2 C1 C5 109.953
H3 C1 H4 109.131 H3 C1 C5 109.803
H4 C1 C5 109.764 C5 O7 C12 109.383
C5 O8 C9 106.344 H6 C5 O7 108.366
H6 C5 O8 109.285 O7 C5 O8 105.939
O7 C12 C9 103.343 O7 C12 H13 109.459
O7 C12 H14 110.187 O8 C9 H10 109.254
O8 C9 H11 110.543 O8 C9 C12 102.360
C9 C12 H13 111.651 C9 C12 H14 113.040
H10 C9 H11 109.140 H10 C9 C12 113.897
H11 C9 C12 111.466 H13 C12 H14 109.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 H 0.086      
3 H 0.087      
4 H 0.088      
5 C 0.208      
6 H 0.040      
7 O -0.318      
8 O -0.317      
9 C 0.000      
10 H 0.097      
11 H 0.075      
12 C 0.025      
13 H 0.079      
14 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.317 -0.153 0.660 1.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.998 -0.078 -0.802
y -0.078 -41.498 -0.465
z -0.802 -0.465 -35.747
Traceless
 xyz
x 7.624 -0.078 -0.802
y -0.078 -8.125 -0.465
z -0.802 -0.465 0.501
Polar
3z2-r21.002
x2-y210.500
xy-0.078
xz-0.802
yz-0.465


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.291 0.010 -0.126
y 0.010 6.617 -0.070
z -0.126 -0.070 6.595


<r2> (average value of r2) Å2
<r2> 148.584
(<r2>)1/2 12.189