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

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-341.674583
Energy at 298.15K 
HF Energy-341.674583
Nuclear repulsion energy273.746074
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/6-31+G**
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 3341 3021 12.03      
2 A1 3159 2856 209.07      
3 A1 1677 1517 2.05      
4 A1 1364 1234 38.30      
5 A1 1079 976 96.46      
6 A1 843 762 0.88      
7 A1 467 422 25.79      
8 A2 1532 1385 0.00      
9 A2 1371 1240 0.00      
10 A2 1163 1052 0.00      
11 E 3337 3017 43.27      
11 E 3337 3017 43.27      
12 E 3138 2837 27.02      
12 E 3138 2837 27.02      
13 E 1657 1498 0.23      
13 E 1657 1498 0.23      
14 E 1588 1436 55.90      
14 E 1588 1436 55.90      
15 E 1452 1313 6.69      
15 E 1452 1313 6.69      
16 E 1345 1216 336.47      
16 E 1345 1216 336.47      
17 E 1191 1077 47.47      
17 E 1191 1077 47.47      
18 E 1062 960 41.67      
18 E 1062 960 41.67      
19 E 578 523 10.15      
19 E 578 523 10.15      
20 E 294 266 0.37      
20 E 294 266 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 23641.1 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 21376.3 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/6-31+G**
ABC
0.18013 0.18013 0.09954

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.329 0.169
C2 -1.151 -0.664 0.169
C3 1.151 -0.664 0.169
O4 -1.144 0.660 -0.248
O5 1.144 0.660 -0.248
O6 0.000 -1.321 -0.248
H7 0.000 2.304 -0.287
H8 0.000 1.415 1.257
H9 -1.996 -1.152 -0.287
H10 -1.225 -0.707 1.257
H11 1.996 -1.152 -0.287
H12 1.225 -0.707 1.257

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30112.30111.38861.38862.68191.07681.09183.21612.61363.21612.6136
C22.30112.30111.38862.68191.38863.21612.61361.07681.09183.21612.6136
C32.30112.30112.68191.38861.38863.21612.61363.21612.61361.07681.0918
O41.38861.38862.68192.28762.28762.00302.03532.00302.03533.62523.1222
O51.38862.68191.38862.28762.28762.00302.03533.62523.12222.00302.0353
O62.68191.38861.38862.28762.28763.62523.12222.00302.03532.00302.0353
H71.07683.21613.21612.00302.00303.62521.78183.99113.59933.99113.5993
H81.09182.61362.61362.03532.03533.12221.78183.59932.45053.59932.4505
H93.21611.07683.21612.00303.62522.00303.99113.59931.78183.99113.5993
H102.61361.09182.61362.03533.12222.03533.59932.45051.78183.59932.4505
H113.21613.21611.07683.62522.00302.00303.99113.59933.99113.59931.7818
H122.61362.61361.09183.12222.03532.03533.59932.45053.59932.45051.7818

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 111.901 C1 O5 C3 111.901
C2 O6 C3 111.901 O4 C1 O5 110.912
O4 C1 H7 108.003 O4 C1 H8 109.699
O4 C2 O6 110.912 O4 C2 H9 108.003
O4 C2 H10 109.699 O5 C1 H7 108.003
O5 C1 H8 109.699 O5 C3 O6 110.912
O5 C3 H11 108.003 O5 C3 H12 109.699
O6 C2 H9 108.003 O6 C2 H10 109.699
O6 C3 H11 108.003 O6 C3 H12 109.699
H7 C1 H8 110.497 H9 C2 H10 110.497
H11 C3 H12 110.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.262      
2 C 0.262      
3 C 0.262      
4 O -0.502      
5 O -0.502      
6 O -0.502      
7 H 0.142      
8 H 0.097      
9 H 0.142      
10 H 0.097      
11 H 0.142      
12 H 0.097      


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 2.350 2.350
CHELPG        
AIM        
ESP 0.002 0.003 2.398 2.398


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.208 0.000 0.000
y 0.000 -35.208 0.000
z 0.000 0.000 -35.781
Traceless
 xyz
x 0.286 0.000 0.000
y 0.000 0.286 0.000
z 0.000 0.000 -0.573
Polar
3z2-r2-1.145
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 6.209 0.000 0.000
y 0.000 6.209 0.000
z 0.000 0.000 5.476


<r2> (average value of r2) Å2
<r2> 124.655
(<r2>)1/2 11.165