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

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-343.184754
Energy at 298.15K 
HF Energy-343.184754
Nuclear repulsion energy268.692186
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 PBEPBE/6-31G**
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 3077 3035 9.94      
2 A1 2856 2817 191.99      
3 A1 1470 1450 7.10      
4 A1 1201 1185 18.37      
5 A1 960 947 75.20      
6 A1 730 720 0.60      
7 A1 462 456 16.23      
8 A2 1351 1333 0.00      
9 A2 1205 1189 0.00      
10 A2 884 872 0.00      
11 E 3073 3031 33.43      
11 E 3073 3031 33.42      
12 E 2839 2800 26.09      
12 E 2839 2800 26.10      
13 E 1454 1434 2.49      
13 E 1454 1434 2.49      
14 E 1401 1382 28.76      
14 E 1401 1382 28.76      
15 E 1290 1272 0.35      
15 E 1290 1272 0.35      
16 E 1145 1129 199.75      
16 E 1145 1129 199.75      
17 E 1051 1037 55.43      
17 E 1051 1037 55.44      
18 E 933 920 46.08      
18 E 933 920 46.07      
19 E 511 504 7.68      
19 E 511 504 7.68      
20 E 296 291 0.02      
20 E 296 291 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21089.5 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 20800.6 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 PBEPBE/6-31G**
ABC
0.17352 0.17352 0.09665

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.329 0.184
C2 -1.151 -0.665 0.184
C3 1.151 -0.665 0.184
O4 -1.177 0.679 -0.272
O5 1.177 0.679 -0.272
O6 0.000 -1.359 -0.272
H7 0.000 2.345 -0.234
H8 0.000 1.361 1.302
H9 -2.031 -1.173 -0.234
H10 -1.179 -0.681 1.302
H11 2.031 -1.173 -0.234
H12 1.179 -0.681 1.302

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30202.30201.41941.41942.72621.09931.11803.24972.58433.24972.5843
C22.30202.30201.41942.72621.41943.24972.58431.09931.11803.24972.5843
C32.30202.30202.72621.41941.41943.24972.58433.24972.58431.09931.1180
O41.41941.41942.72622.35342.35342.04012.07992.04012.07993.70443.1425
O51.41942.72621.41942.35342.35342.04012.07993.70443.14252.04012.0799
O62.72621.41941.41942.35342.35343.70443.14252.04012.07992.04012.0799
H71.09933.24973.24972.04012.04013.70441.82444.06253.59284.06253.5928
H81.11802.58432.58432.07992.07993.14251.82443.59282.35813.59282.3581
H93.24971.09933.24972.04013.70442.04014.06253.59281.82444.06253.5928
H102.58431.11802.58432.07993.14252.07993.59282.35811.82443.59282.3581
H113.24973.24971.09933.70442.04012.04014.06253.59284.06253.59281.8244
H122.58432.58431.11803.14252.07992.07993.59282.35813.59282.35811.8244

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 108.373 C1 O5 C3 108.373
C2 O6 C3 108.373 O4 C1 O5 111.994
O4 C1 H7 107.508 O4 C1 H8 109.535
O4 C2 O6 111.994 O4 C2 H9 107.508
O4 C2 H10 109.535 O5 C1 H7 107.508
O5 C1 H8 109.535 O5 C3 O6 111.994
O5 C3 H11 107.508 O5 C3 H12 109.535
O6 C2 H9 107.508 O6 C2 H10 109.535
O6 C3 H11 107.508 O6 C3 H12 109.535
H7 C1 H8 110.733 H9 C2 H10 110.733
H11 C3 H12 110.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.184      
2 C 0.184      
3 C 0.184      
4 O -0.415      
5 O -0.415      
6 O -0.415      
7 H 0.138      
8 H 0.093      
9 H 0.138      
10 H 0.093      
11 H 0.138      
12 H 0.093      


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 1.798 1.798
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.487 0.000 0.000
y 0.000 -34.487 0.000
z 0.000 0.000 -35.664
Traceless
 xyz
x 0.588 0.000 0.000
y 0.000 0.588 0.000
z 0.000 0.000 -1.177
Polar
3z2-r2-2.354
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 6.531 0.000 0.000
y 0.000 6.531 0.000
z 0.000 0.000 5.350


<r2> (average value of r2) Å2
<r2> 127.586
(<r2>)1/2 11.295