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

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-343.465403
Energy at 298.15K 
HF Energy-343.465403
Nuclear repulsion energy271.706182
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 B3PW91/6-31G(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 3138 3017 8.61      
2 A1 2934 2820 173.20      
3 A1 1513 1454 6.25      
4 A1 1246 1198 22.83      
5 A1 1004 965 70.83      
6 A1 767 737 0.84      
7 A1 463 445 16.12      
8 A2 1401 1346 0.00      
9 A2 1250 1201 0.00      
10 A2 980 942 0.00      
11 E 3134 3013 35.95      
11 E 3134 3013 35.94      
12 E 2917 2805 25.02      
12 E 2917 2805 25.01      
13 E 1496 1438 3.17      
13 E 1496 1438 3.17      
14 E 1447 1391 25.51      
14 E 1447 1391 25.51      
15 E 1333 1281 1.20      
15 E 1333 1281 1.20      
16 E 1205 1158 233.39      
16 E 1205 1158 233.39      
17 E 1091 1049 36.09      
17 E 1091 1049 36.09      
18 E 980 942 38.37      
18 E 980 942 38.37      
19 E 534 513 7.37      
19 E 534 513 7.37      
20 E 296 284 0.04      
20 E 296 284 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 21777.3 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 20936.7 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 B3PW91/6-31G(2df,p)
ABC
0.17752 0.17752 0.09875

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.320 0.179
C2 -1.143 -0.660 0.179
C3 1.143 -0.660 0.179
O4 -1.159 0.669 -0.265
O5 1.159 0.669 -0.265
O6 0.000 -1.339 -0.265
H7 0.000 2.325 -0.245
H8 0.000 1.367 1.287
H9 -2.014 -1.163 -0.245
H10 -1.184 -0.683 1.287
H11 2.014 -1.163 -0.245
H12 1.184 -0.683 1.287

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.28582.28581.40171.40172.69541.09141.10883.22442.57703.22442.5770
C22.28582.28581.40172.69541.40173.22442.57701.09141.10883.22442.5770
C32.28582.28582.69541.40171.40173.22442.57703.22442.57701.09141.1088
O41.40171.40172.69542.31902.31902.02152.05912.02152.05913.66413.1193
O51.40172.69541.40172.31902.31902.02152.05913.66413.11932.02152.0591
O62.69541.40171.40172.31902.31903.66413.11932.02152.05912.02152.0591
H71.09143.22443.22442.02152.02153.66411.80714.02733.57774.02733.5777
H81.10882.57702.57702.05912.05913.11931.80713.57772.36743.57772.3674
H93.22441.09143.22442.02153.66412.02154.02733.57771.80714.02733.5777
H102.57701.10882.57702.05913.11932.05913.57772.36741.80713.57772.3674
H113.22443.22441.09143.66412.02152.02154.02733.57774.02733.57771.8071
H122.57702.57701.10883.11932.05912.05913.57772.36743.57772.36741.8071

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 109.248 C1 O5 C3 109.248
C2 O6 C3 109.248 O4 C1 O5 111.627
O4 C1 H7 107.707 O4 C1 H8 109.661
O4 C2 O6 111.628 O4 C2 H9 107.707
O4 C2 H10 109.661 O5 C1 H7 107.707
O5 C1 H8 109.661 O5 C3 O6 111.628
O5 C3 H11 107.707 O5 C3 H12 109.661
O6 C2 H9 107.707 O6 C2 H10 109.661
O6 C3 H11 107.707 O6 C3 H12 109.661
H7 C1 H8 110.444 H9 C2 H10 110.444
H11 C3 H12 110.444
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 C -0.009      
3 C -0.009      
4 O -0.248      
5 O -0.248      
6 O -0.248      
7 H 0.153      
8 H 0.104      
9 H 0.153      
10 H 0.104      
11 H 0.153      
12 H 0.104      


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 1.764 1.764
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.210 0.000 0.000
y 0.000 -34.210 0.000
z 0.000 0.000 -35.017
Traceless
 xyz
x 0.403 0.000 0.000
y 0.000 0.403 0.000
z 0.000 0.000 -0.806
Polar
3z2-r2-1.613
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 6.504 0.000 0.000
y 0.000 6.504 0.000
z 0.000 0.000 5.466


<r2> (average value of r2) Å2
<r2> 125.142
(<r2>)1/2 11.187