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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-307.553096
Energy at 298.15K-307.563537
Nuclear repulsion energy263.988976
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 B1B95/cc-pVDZ
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 3176 3053 13.12      
2 A 3174 3051 11.35      
3 A 3142 3020 27.16      
4 A 3090 2970 46.18      
5 A 3075 2956 8.47      
6 A 3043 2925 64.14      
7 A 3006 2890 57.92      
8 A 2934 2820 105.38      
9 A 1503 1445 0.57      
10 A 1481 1424 8.23      
11 A 1455 1398 16.94      
12 A 1452 1396 6.66      
13 A 1428 1372 66.20      
14 A 1377 1323 15.31      
15 A 1370 1317 1.54      
16 A 1364 1311 3.67      
17 A 1320 1269 0.56      
18 A 1246 1198 29.18      
19 A 1217 1170 1.72      
20 A 1191 1145 141.42      
21 A 1157 1112 25.12      
22 A 1131 1088 61.13      
23 A 1109 1066 45.81      
24 A 1092 1050 23.55      
25 A 1070 1029 28.99      
26 A 966 928 9.63      
27 A 892 858 27.48      
28 A 887 853 15.96      
29 A 859 825 8.39      
30 A 707 679 1.56      
31 A 672 646 2.52      
32 A 501 481 4.65      
33 A 325 313 5.07      
34 A 225 216 0.64      
35 A 206 198 3.07      
36 A 64 61 3.77      

Unscaled Zero Point Vibrational Energy (zpe) 26453.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 25426.9 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 B1B95/cc-pVDZ
ABC
0.23547 0.11569 0.08598

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.070 0.014 -0.191
H2 -2.627 -0.899 0.054
H3 -2.609 0.878 0.215
H4 -1.999 0.114 -1.282
C5 -0.688 -0.047 0.394
H6 -0.723 -0.169 1.499
O7 0.034 1.133 0.090
O8 0.038 -1.108 -0.168
C9 1.384 -0.749 0.053
H10 2.018 -1.308 -0.645
H11 1.689 -0.991 1.089
C12 1.374 0.759 -0.182
H13 1.618 1.015 -1.225
H14 2.067 1.296 0.484

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 O7 O8 C9 H10 H11 C12 H13 H14
C11.09731.09681.09721.50192.16912.39972.38813.54634.32064.09623.52373.95944.3836
H21.09731.78451.79042.14462.49913.34852.68264.01454.71544.43934.33744.82985.1999
H31.09681.78451.78792.14002.51062.65843.33164.31575.18984.76784.00464.46834.7026
H41.09721.79041.78792.13343.07232.65572.62333.73844.30884.52113.60593.72864.5879
C51.50192.14462.14002.13341.11211.41721.40282.21473.16122.65032.28783.01183.0669
H62.16912.49912.51063.07231.11212.06242.05922.62063.66162.58092.84273.78193.3105
O72.39973.34852.65842.65571.41722.06242.25622.31743.23102.87231.41742.06232.0774
O82.38812.68263.33162.62331.40282.05922.25621.41102.04652.07842.29592.85013.2131
C93.54634.01454.31573.73842.21472.62062.31741.41101.09611.10591.52682.19162.1992
H104.32064.71545.18984.30883.16123.66163.23102.04651.09611.79292.21482.42832.8394
H114.09624.43934.76784.52112.65032.58092.87232.07841.10591.79292.18543.06322.3958
C123.52374.33744.00463.60592.28782.84271.41742.29591.52682.21482.18541.10181.1010
H133.95944.82984.46833.72863.01183.78192.06232.85012.19162.42833.06321.10181.7890
H144.38365.19994.70264.58793.06693.31052.07743.21312.19922.83942.39581.10101.7890

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 111.279 C1 C5 O7 110.552
C1 C5 O8 110.552 H2 C1 H3 108.845
H2 C1 H4 109.351 H2 C1 C5 110.230
H3 C1 H4 109.153 H3 C1 C5 109.893
H4 C1 C5 109.349 C5 O7 C12 107.626
C5 O8 C9 103.824 H6 C5 O7 108.656
H6 C5 O8 109.386 O7 C5 O8 106.270
O7 C12 C9 103.765 O7 C12 H13 109.256
O7 C12 H14 110.528 O8 C9 H10 108.780
O8 C9 H11 110.751 O8 C9 C12 102.725
C9 C12 H13 111.957 C9 C12 H14 112.620
H10 C9 H11 109.015 H10 C9 C12 114.206
H11 C9 C12 111.206 H13 C12 H14 108.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.008      
2 H 0.039      
3 H 0.043      
4 H 0.039      
5 C 0.186      
6 H 0.002      
7 O -0.338      
8 O -0.310      
9 C 0.081      
10 H 0.035      
11 H 0.022      
12 C 0.136      
13 H 0.031      
14 H 0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.981 -0.249 0.364 1.075
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.220 -0.164 -0.719
y -0.164 -40.148 -0.608
z -0.719 -0.608 -35.676
Traceless
 xyz
x 6.692 -0.164 -0.719
y -0.164 -6.700 -0.608
z -0.719 -0.608 0.008
Polar
3z2-r20.015
x2-y28.928
xy-0.164
xz-0.719
yz-0.608


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.772 0.036 -0.119
y 0.036 6.522 -0.148
z -0.119 -0.148 6.663


<r2> (average value of r2) Å2
<r2> 148.629
(<r2>)1/2 12.191