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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-343.177968
Energy at 298.15K 
HF Energy-343.177968
Nuclear repulsion energy268.764367
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 3088 3044 10.25      
2 A1 2864 2823 196.15      
3 A1 1485 1464 6.55      
4 A1 1207 1189 18.66      
5 A1 963 949 75.01      
6 A1 732 721 0.56      
7 A1 464 457 16.13      
8 A2 1360 1340 0.00      
9 A2 1214 1197 0.00      
10 A2 888 875 0.00      
11 E 3085 3041 34.85      
11 E 3085 3041 34.83      
12 E 2845 2805 25.18      
12 E 2845 2805 25.16      
13 E 1469 1448 2.25      
13 E 1469 1448 2.25      
14 E 1412 1392 31.33      
14 E 1412 1392 31.33      
15 E 1298 1280 0.22      
15 E 1298 1280 0.22      
16 E 1150 1134 197.90      
16 E 1150 1134 197.90      
17 E 1056 1041 59.50      
17 E 1056 1041 59.50      
18 E 936 923 45.95      
18 E 936 923 45.95      
19 E 512 504 7.65      
19 E 512 504 7.65      
20 E 296 292 0.02      
20 E 296 292 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21189.7 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 20886.7 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
0.17361 0.17361 0.09670

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 -0.664 0.184
C3 1.151 -0.664 0.184
O4 -1.177 0.679 -0.271
O5 1.177 0.679 -0.271
O6 0.000 -1.359 -0.271
H7 0.000 2.344 -0.237
H8 0.000 1.361 1.302
H9 -2.030 -1.172 -0.237
H10 -1.179 -0.681 1.302
H11 2.030 -1.172 -0.237
H12 1.179 -0.681 1.302

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30122.30121.41891.41892.72551.09931.11813.24832.58393.24832.5839
C22.30122.30121.41892.72551.41893.24832.58391.09931.11813.24832.5839
C32.30122.30122.72551.41891.41893.24832.58393.24832.58391.09931.1181
O41.41891.41892.72552.35312.35312.03892.07952.03892.07953.70283.1422
O51.41892.72551.41892.35312.35312.03892.07953.70283.14222.03892.0795
O62.72551.41891.41892.35312.35313.70283.14222.03892.07952.03892.0795
H71.09933.24833.24832.03892.03893.70281.82574.06003.59264.06003.5926
H81.11812.58392.58392.07952.07953.14221.82573.59262.35813.59262.3581
H93.24831.09933.24832.03893.70282.03894.06003.59261.82574.06003.5926
H102.58391.11812.58392.07953.14222.07953.59262.35811.82573.59262.3581
H113.24833.24831.09933.70282.03892.03894.06003.59264.06003.59261.8257
H122.58392.58391.11813.14222.07952.07953.59262.35813.59262.35811.8257

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 108.366 C1 O5 C3 108.366
C2 O6 C3 108.366 O4 C1 O5 112.034
O4 C1 H7 107.443 O4 C1 H8 109.530
O4 C2 O6 112.034 O4 C2 H9 107.443
O4 C2 H10 109.530 O5 C1 H7 107.443
O5 C1 H8 109.530 O5 C3 O6 112.034
O5 C3 H11 107.443 O5 C3 H12 109.530
O6 C2 H9 107.443 O6 C2 H10 109.530
O6 C3 H11 107.443 O6 C3 H12 109.530
H7 C1 H8 110.836 H9 C2 H10 110.836
H11 C3 H12 110.836
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 0.089      
2 C 0.089      
3 C 0.089      
4 O -0.397      
5 O -0.397      
6 O -0.397      
7 H 0.180      
8 H 0.128      
9 H 0.180      
10 H 0.128      
11 H 0.180      
12 H 0.128      


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 1.790 1.790
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.516 0.000 0.000
y 0.000 -34.516 0.000
z 0.000 0.000 -35.655
Traceless
 xyz
x 0.569 0.000 0.000
y 0.000 0.569 0.000
z 0.000 0.000 -1.139
Polar
3z2-r2-2.278
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 6.446 0.000 0.000
y 0.000 6.446 0.000
z 0.000 0.000 5.296


<r2> (average value of r2) Å2
<r2> 127.539
(<r2>)1/2 11.293