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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-341.483092
Energy at 298.15K 
HF Energy-341.483092
Nuclear repulsion energy268.059023
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 HF/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 3406 3075 11.49      
2 A1 3201 2890 175.74      
3 A1 1693 1528 5.21      
4 A1 1328 1199 25.84      
5 A1 1037 936 116.05      
6 A1 798 720 1.92      
7 A1 406 366 40.86      
8 A2 1529 1381 0.00      
9 A2 1356 1224 0.00      
10 A2 1098 992 0.00      
11 E 3400 3070 19.64      
11 E 3400 3070 19.64      
12 E 3184 2875 24.04      
12 E 3184 2875 24.04      
13 E 1673 1510 0.01      
13 E 1673 1510 0.01      
14 E 1573 1421 26.32      
14 E 1573 1421 26.32      
15 E 1428 1289 0.53      
15 E 1428 1289 0.53      
16 E 1292 1167 280.28      
16 E 1292 1167 280.28      
17 E 1157 1045 87.20      
17 E 1157 1045 87.20      
18 E 988 892 31.06      
18 E 988 892 31.06      
19 E 551 497 17.01      
19 E 551 497 17.01      
20 E 259 234 0.57      
20 E 259 234 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 23429.8 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 21154.8 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 HF/6-31G
ABC
0.17230 0.17230 0.09447

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.376 0.165
C2 -1.192 -0.688 0.165
C3 1.192 -0.688 0.165
O4 -1.168 0.674 -0.237
O5 1.168 0.674 -0.237
O6 0.000 -1.348 -0.237
H7 0.000 2.323 -0.333
H8 0.000 1.494 1.244
H9 -2.012 -1.162 -0.333
H10 -1.294 -0.747 1.244
H11 2.012 -1.162 -0.333
H12 1.294 -0.747 1.244

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.38342.38341.42041.42042.75371.07011.08583.27652.71043.27652.7104
C22.38342.38341.42042.75371.42043.27652.71041.07011.08583.27652.7104
C32.38342.38342.75371.42041.42043.27652.71043.27652.71041.07011.0858
O41.42041.42042.75372.33512.33512.02292.05672.02292.05673.67273.2051
O51.42042.75371.42042.33512.33512.02292.05673.67273.20512.02292.0567
O62.75371.42041.42042.33512.33513.67273.20512.02292.05672.02292.0567
H71.07013.27653.27652.02292.02293.67271.78214.02393.68624.02393.6862
H81.08582.71042.71042.05672.05673.20511.78213.68622.58753.68622.5875
H93.27651.07013.27652.02293.67272.02294.02393.68621.78214.02393.6862
H102.71041.08582.71042.05673.20512.05673.68622.58751.78213.68622.5875
H113.27653.27651.07013.67272.02292.02294.02393.68624.02393.68621.7821
H122.71042.71041.08583.20512.05672.05673.68622.58753.68622.58751.7821

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 114.061 C1 O5 C3 114.061
C2 O6 C3 114.061 O4 C1 O5 110.568
O4 C1 H7 107.800 O4 C1 H8 109.576
O4 C2 O6 110.568 O4 C2 H9 107.800
O4 C2 H10 109.576 O5 C1 H7 107.800
O5 C1 H8 109.576 O5 C3 O6 110.568
O5 C3 H11 107.800 O5 C3 H12 109.576
O6 C2 H9 107.800 O6 C2 H10 109.576
O6 C3 H11 107.800 O6 C3 H12 109.576
H7 C1 H8 111.498 H9 C2 H10 111.498
H11 C3 H12 111.498
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.314      
2 C 0.314      
3 C 0.314      
4 O -0.692      
5 O -0.692      
6 O -0.692      
7 H 0.219      
8 H 0.159      
9 H 0.219      
10 H 0.159      
11 H 0.219      
12 H 0.159      


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 2.940 2.940
CHELPG 0.000 -0.005 3.020 3.020
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.588 0.000 0.000
y 0.000 -35.588 0.000
z 0.000 0.000 -35.846
Traceless
 xyz
x 0.129 0.000 0.000
y 0.000 0.129 0.000
z 0.000 0.000 -0.259
Polar
3z2-r2-0.517
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 5.547 0.000 0.000
y 0.000 5.547 0.000
z 0.000 0.000 4.509


<r2> (average value of r2) Å2
<r2> 129.691
(<r2>)1/2 11.388