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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-343.205878
Energy at 298.15K 
HF Energy-343.205878
Nuclear repulsion energy269.393928
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(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 3056 3025 7.92      
2 A1 2841 2812 171.80      
3 A1 1455 1440 7.61      
4 A1 1202 1190 19.41      
5 A1 963 953 64.18      
6 A1 733 726 0.57      
7 A1 461 456 14.32      
8 A2 1350 1336 0.00      
9 A2 1203 1191 0.00      
10 A2 882 873 0.00      
11 E 3053 3021 33.62      
11 E 3053 3021 33.61      
12 E 2824 2795 25.17      
12 E 2824 2795 25.18      
13 E 1440 1425 3.73      
13 E 1440 1425 3.73      
14 E 1394 1380 21.33      
14 E 1394 1380 21.33      
15 E 1286 1273 0.45      
15 E 1286 1273 0.45      
16 E 1143 1131 194.49      
16 E 1143 1131 194.50      
17 E 1049 1038 47.00      
17 E 1049 1038 47.01      
18 E 934 925 42.84      
18 E 934 925 42.84      
19 E 514 509 6.54      
19 E 514 509 6.54      
20 E 294 291 0.01      
20 E 294 291 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21004.4 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 20788.0 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(2df,p)
ABC
0.17448 0.17448 0.09724

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/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 -1.354 -0.271
H7 0.000 2.342 -0.236
H8 0.000 1.359 1.302
H9 -2.028 -1.171 -0.236
H10 -1.177 -0.679 1.302
H11 2.028 -1.171 -0.236
H12 1.177 -0.679 1.302

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.29612.29611.41521.41522.71781.09981.11833.24422.57963.24422.5796
C22.29612.29611.41522.71781.41523.24422.57961.09981.11833.24422.5796
C32.29612.29612.71781.41521.41523.24422.57963.24422.57961.09981.1183
O41.41521.41522.71782.34462.34462.03702.07722.03702.07723.69613.1357
O51.41522.71781.41522.34462.34462.03702.07723.69613.13572.03702.0772
O62.71781.41521.41522.34462.34463.69613.13572.03702.07722.03702.0772
H71.09983.24423.24422.03702.03703.69611.82514.05703.58874.05703.5887
H81.11832.57962.57962.07722.07723.13571.82513.58872.35353.58872.3535
H93.24421.09983.24422.03703.69612.03704.05703.58871.82514.05703.5887
H102.57961.11832.57962.07723.13572.07723.58872.35351.82513.58872.3535
H113.24423.24421.09983.69612.03702.03704.05703.58874.05703.58871.8251
H122.57962.57961.11833.13572.07722.07723.58872.35353.58872.35351.8251

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 108.434 C1 O5 C3 108.434
C2 O6 C3 108.434 O4 C1 O5 111.864
O4 C1 H7 107.516 O4 C1 H8 109.591
O4 C2 O6 111.864 O4 C2 H9 107.516
O4 C2 H10 109.591 O5 C1 H7 107.516
O5 C1 H8 109.591 O5 C3 O6 111.864
O5 C3 H11 107.516 O5 C3 H12 109.591
O6 C2 H9 107.516 O6 C2 H10 109.591
O6 C3 H11 107.516 O6 C3 H12 109.591
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(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 1.636 1.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.444 0.000 0.000
y 0.000 -34.444 0.000
z 0.000 0.000 -35.367
Traceless
 xyz
x 0.461 0.000 0.000
y 0.000 0.461 0.000
z 0.000 0.000 -0.923
Polar
3z2-r2-1.846
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 6.819 0.000 0.000
y 0.000 6.819 0.000
z 0.000 0.000 5.651


<r2> (average value of r2) Å2
<r2> 126.943
(<r2>)1/2 11.267