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

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-343.205903
Energy at 298.15K 
HF Energy-343.205903
Nuclear repulsion energy269.404808
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 PBEPBEultrafine/6-31G(2df,p)
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 3060 3029 8.08      
2 A1 2848 2819 171.28      
3 A1 1456 1441 7.81      
4 A1 1203 1190 19.26      
5 A1 963 953 64.07      
6 A1 733 726 0.57      
7 A1 461 456 14.39      
8 A2 1351 1337 0.00      
9 A2 1204 1191 0.00      
10 A2 883 874 0.00      
11 E 3057 3025 33.27      
11 E 3057 3025 33.26      
12 E 2831 2802 25.24      
12 E 2831 2802 25.24      
13 E 1441 1427 3.80      
13 E 1441 1427 3.80      
14 E 1394 1379 21.04      
14 E 1394 1379 21.04      
15 E 1287 1274 0.59      
15 E 1287 1274 0.59      
16 E 1143 1131 193.24      
16 E 1143 1131 193.24      
17 E 1049 1038 48.07      
17 E 1049 1038 48.07      
18 E 936 927 42.92      
18 E 936 927 42.92      
19 E 515 510 6.71      
19 E 515 510 6.71      
20 E 297 294 0.02      
20 E 297 294 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21031.3 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 20814.6 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 PBEPBEultrafine/6-31G(2df,p)
ABC
0.17449 0.17449 0.09724

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.326 0.184
C2 -1.148 -0.663 0.184
C3 1.148 -0.663 0.184
O4 -1.172 0.677 -0.271
O5 1.172 0.677 -0.271
O6 0.000 -1.353 -0.271
H7 0.000 2.342 -0.235
H8 0.000 1.358 1.301
H9 -2.028 -1.171 -0.235
H10 -1.176 -0.679 1.301
H11 2.028 -1.171 -0.235
H12 1.176 -0.679 1.301

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.29672.29671.41521.41522.71791.09941.11763.24442.57923.24442.5792
C22.29672.29671.41522.71791.41523.24442.57921.09941.11763.24442.5792
C32.29672.29672.71791.41521.41523.24442.57923.24442.57921.09941.1176
O41.41521.41522.71792.34432.34432.03702.07632.03702.07633.69593.1347
O51.41522.71791.41522.34432.34432.03702.07633.69593.13472.03702.0763
O62.71791.41521.41522.34432.34433.69593.13472.03702.07632.03702.0763
H71.09943.24443.24442.03702.03703.69591.82464.05703.58804.05703.5880
H81.11762.57922.57922.07632.07633.13471.82463.58802.35263.58802.3526
H93.24441.09943.24442.03703.69592.03704.05703.58801.82464.05703.5880
H102.57921.11762.57922.07633.13472.07633.58802.35261.82463.58802.3526
H113.24443.24441.09943.69592.03702.03704.05703.58804.05703.58801.8246
H122.57922.57921.11763.13472.07632.07633.58802.35263.58802.35261.8246

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 108.472 C1 O5 C3 108.472
C2 O6 C3 108.472 O4 C1 O5 111.837
O4 C1 H7 107.536 O4 C1 H8 109.566
O4 C2 O6 111.837 O4 C2 H9 107.536
O4 C2 H10 109.566 O5 C1 H7 107.536
O5 C1 H8 109.566 O5 C3 O6 111.837
O5 C3 H11 107.536 O5 C3 H12 109.566
O6 C2 H9 107.536 O6 C2 H10 109.566
O6 C3 H11 107.536 O6 C3 H12 109.566
H7 C1 H8 110.772 H9 C2 H10 110.772
H11 C3 H12 110.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.039      
2 C -0.039      
3 C -0.039      
4 O -0.188      
5 O -0.188      
6 O -0.188      
7 H 0.137      
8 H 0.090      
9 H 0.137      
10 H 0.090      
11 H 0.137      
12 H 0.090      


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 1.637 1.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.438 0.000 0.000
y 0.000 -34.438 0.000
z 0.000 0.000 -35.365
Traceless
 xyz
x 0.464 0.000 0.000
y 0.000 0.464 0.000
z 0.000 0.000 -0.927
Polar
3z2-r2-1.855
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 6.817 0.000 0.000
y 0.000 6.817 0.000
z 0.000 0.000 5.646


<r2> (average value of r2) Å2
<r2> 126.934
(<r2>)1/2 11.266