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All results from a given calculation for C3H6O2 (1,3-Dioxolane)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-265.811134
Energy at 298.15K-265.819304
HF Energy-265.306844
Nuclear repulsion energy188.935093
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 MP2/3-21G
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 3188 3043 8.04      
2 A 3097 2956 2.05      
3 A 3091 2951 84.42      
4 A 1643 1568 8.00      
5 A 1601 1528 2.07      
6 A 1411 1347 9.66      
7 A 1265 1207 4.02      
8 A 1200 1146 12.09      
9 A 1161 1108 0.03      
10 A 1075 1026 129.82      
11 A 933 891 8.39      
12 A 910 868 1.54      
13 A 683 652 0.14      
14 A 257 245 1.00      
15 A 3197 3052 34.42      
16 A 3151 3008 58.42      
17 A 3100 2959 52.47      
18 A 1597 1524 0.93      
19 A 1439 1374 0.61      
20 A 1367 1305 3.43      
21 A 1228 1172 1.29      
22 A 1141 1089 15.96      
23 A 1043 995 18.78      
24 A 932 889 11.34      
25 A 851 813 37.59      
26 A 621 593 6.69      
27 A 61 58 25.75      

Unscaled Zero Point Vibrational Energy (zpe) 20620.4 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 19682.2 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 MP2/3-21G
ABC
0.24431 0.23979 0.13522

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.249
C2 -0.323 0.699 -0.978
C3 0.323 -0.699 -0.978
O4 0.000 1.196 0.384
O5 0.000 -1.196 0.384
H6 0.903 0.051 1.863
H7 -0.903 -0.051 1.863
H8 -1.405 0.623 -1.127
H9 1.405 -0.623 -1.127
H10 -0.121 -1.395 -1.690
H11 0.121 1.395 -1.690

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C12.35662.35661.47571.47571.09271.09272.82962.82963.25543.2554
C22.35661.53881.48602.35563.16122.99511.09522.18012.22031.0898
C32.35661.53882.35561.48602.99513.16122.18011.09521.08982.2203
O41.47571.48602.35562.39142.07642.13422.14142.75043.32092.0871
O51.47572.35561.48602.39142.13422.07642.75042.14142.08713.3209
H61.09273.16122.99512.07642.13421.80793.81973.10563.96983.8780
H71.09272.99513.16122.13422.07641.80793.10563.81973.87803.9698
H82.82961.09522.18012.14142.75043.81973.10563.07392.45731.8004
H92.82962.18011.09522.75042.14143.10563.81973.07391.80042.4573
H103.25542.22031.08983.32092.08713.96983.87802.45731.80042.8006
H113.25541.08982.22032.08713.32093.87803.96981.80042.45732.8006

picture of 1,3-Dioxolane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 105.447 C1 O5 C3 105.447
C2 C3 O5 102.283 C2 C3 H9 110.592
C2 C3 H10 114.185 C3 C2 O4 102.283
C3 C2 H8 110.592 C3 C2 H11 114.185
O4 C1 O5 108.245 O4 C1 H6 106.945
O4 C1 H7 111.528 O4 C2 H8 111.214
O4 C2 H11 107.241 O5 C1 H6 111.528
O5 C1 H7 106.945 O5 C3 H9 111.214
O5 C3 H10 107.241 H6 C1 H7 111.649
H8 C2 H11 110.966 H9 C3 H10 110.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.206     0.043
2 H 0.193     0.047
3 C -0.152     0.146
4 H 0.193     0.049
5 H 0.206     0.045
6 C -0.153     0.136
7 O -0.499     -0.454
8 O -0.499     -0.453
9 H 0.190     0.040
10 H 0.190     0.041
11 C 0.126     0.360


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.345 -0.003 0.005 1.345
CHELPG        
AIM        
ESP 1.352 -0.001 -0.000 1.352


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.433 -0.004 -0.002
y -0.004 -35.938 -1.228
z -0.002 -1.228 -30.026
Traceless
 xyz
x 7.549 -0.004 -0.002
y -0.004 -8.209 -1.228
z -0.002 -1.228 0.659
Polar
3z2-r21.319
x2-y210.506
xy-0.004
xz-0.002
yz-1.228


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.039 -0.000 -0.000
y -0.000 4.414 -0.022
z -0.000 -0.022 4.490


<r2> (average value of r2) Å2
<r2> 97.524
(<r2>)1/2 9.875