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All results from a given calculation for C3H6O3 (1,3,5-Trioxane)

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-339.950188
Energy at 298.15K 
HF Energy-339.950188
Nuclear repulsion energy266.472633
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 LSDA/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 A1 3102 3051 4.78      
2 A1 2841 2795 167.28      
3 A1 1475 1451 26.09      
4 A1 1176 1157 3.09      
5 A1 956 941 80.51      
6 A1 710 698 1.95      
7 A1 478 470 19.97      
8 A2 1344 1322 0.00      
9 A2 1197 1177 0.00      
10 A2 854 840 0.00      
11 E 3096 3045 15.42      
11 E 3096 3045 15.41      
12 E 2825 2778 20.56      
12 E 2825 2778 20.56      
13 E 1458 1434 5.98      
13 E 1458 1434 5.99      
14 E 1389 1366 6.04      
14 E 1389 1366 6.04      
15 E 1279 1258 0.86      
15 E 1279 1258 0.87      
16 E 1109 1091 168.64      
16 E 1109 1091 168.63      
17 E 1031 1014 50.28      
17 E 1031 1014 50.28      
18 E 919 904 20.87      
18 E 919 904 20.87      
19 E 502 494 14.02      
19 E 502 494 14.02      
20 E 310 305 0.06      
20 E 310 305 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 20983.6 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 20639.4 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 LSDA/3-21G
ABC
0.17051 0.17051 0.09525

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.335 0.192
C2 -1.156 -0.667 0.192
C3 1.156 -0.667 0.192
O4 -1.191 0.688 -0.283
O5 1.191 0.688 -0.283
O6 0.000 -1.375 -0.283
H7 0.000 2.360 -0.200
H8 0.000 1.320 1.312
H9 -2.044 -1.180 -0.200
H10 -1.143 -0.660 1.312
H11 2.044 -1.180 -0.200
H12 1.143 -0.660 1.312

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.31182.31181.43621.43622.75111.09761.12053.26422.55763.26422.5576
C22.31182.31181.43622.75111.43623.26422.55761.09761.12053.26422.5576
C32.31182.31182.75111.43621.43623.26422.55763.26422.55761.09761.1205
O41.43621.43622.75112.38182.38182.05492.08892.05492.08893.73623.1320
O51.43622.75111.43622.38182.38182.05492.08893.73623.13202.05492.0889
O62.75111.43621.43622.38182.38183.73623.13202.05492.08892.05492.0889
H71.09763.26423.26422.05492.05493.73621.83514.08783.56584.08783.5658
H81.12052.55762.55762.08892.08893.13201.83513.56582.28653.56582.2865
H93.26421.09763.26422.05493.73622.05494.08783.56581.83514.08783.5658
H102.55761.12052.55762.08893.13202.08893.56582.28651.83513.56582.2865
H113.26423.26421.09763.73622.05492.05494.08783.56584.08783.56581.8351
H122.55762.55761.12053.13202.08892.08893.56582.28653.56582.28651.8351

picture of 1,3,5-Trioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 107.191 C1 O5 C3 107.191
C2 O6 C3 107.191 O4 C1 O5 112.036
O4 C1 H7 107.637 O4 C1 H8 108.954
O4 C2 O6 112.036 O4 C2 H9 107.637
O4 C2 H10 108.954 O5 C1 H7 107.637
O5 C1 H8 108.954 O5 C3 O6 112.036
O5 C3 H11 107.637 O5 C3 H12 108.954
O6 C2 H9 107.637 O6 C2 H10 108.954
O6 C3 H11 107.637 O6 C3 H12 108.954
H7 C1 H8 111.646 H9 C2 H10 111.646
H11 C3 H12 111.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 C -0.041      
3 C -0.041      
4 O -0.412      
5 O -0.412      
6 O -0.412      
7 H 0.260      
8 H 0.193      
9 H 0.260      
10 H 0.193      
11 H 0.260      
12 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.189 2.189
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.569 0.000 0.000
y 0.000 -34.569 0.000
z 0.000 0.000 -35.941
Traceless
 xyz
x 0.686 0.000 0.000
y 0.000 0.686 0.000
z 0.000 0.000 -1.372
Polar
3z2-r2-2.743
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.952 0.000 0.000
y 0.000 5.953 0.000
z 0.000 0.000 4.707


<r2> (average value of r2) Å2
<r2> 129.136
(<r2>)1/2 11.364