return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H8O3 (1,2,3-Propanetriol)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-344.636065
Energy at 298.15K-344.646246
Nuclear repulsion energy265.624005
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*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3817 3652 33.62      
2 A 3806 3642 22.04      
3 A 3722 3561 47.27      
4 A 3092 2958 50.29      
5 A 3091 2958 42.74      
6 A 3059 2927 39.50      
7 A 3033 2902 39.53      
8 A 3019 2889 52.54      
9 A 1545 1478 6.93      
10 A 1532 1465 10.27      
11 A 1473 1410 1.22      
12 A 1465 1402 38.08      
13 A 1439 1377 41.56      
14 A 1384 1324 6.77      
15 A 1344 1286 47.22      
16 A 1291 1235 20.62      
17 A 1259 1205 15.38      
18 A 1233 1180 0.59      
19 A 1206 1153 36.59      
20 A 1153 1103 35.14      
21 A 1119 1070 91.24      
22 A 1103 1055 80.41      
23 A 1079 1032 76.54      
24 A 1012 968 16.15      
25 A 954 912 8.46      
26 A 835 799 13.01      
27 A 657 628 28.97      
28 A 489 468 125.45      
29 A 487 466 11.01      
30 A 405 387 5.19      
31 A 278 266 4.68      
32 A 256 245 44.81      
33 A 231 221 97.42      
34 A 220 211 89.79      
35 A 166 159 25.45      
36 A 99 95 2.33      

Unscaled Zero Point Vibrational Energy (zpe) 26176.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 25043.4 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*
ABC
0.15806 0.09159 0.06988

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.587 -0.555 1.433
H2 -0.194 -1.558 0.921
C3 -0.844 -0.719 0.639
H4 0.362 0.858 1.444
C5 -0.017 0.547 0.463
H6 1.674 1.307 -0.607
H7 0.820 -0.017 -1.441
C8 1.181 0.334 -0.462
H9 2.765 -0.797 -0.466
O10 2.044 -0.611 0.150
H11 -2.159 -1.632 -0.492
O12 -1.486 -0.949 -0.614
H13 -1.408 1.166 -0.686
O14 -0.831 1.593 -0.030

Atom - Atom Distances (Å)
  H1 H2 C3 H4 C5 H6 H7 C8 H9 O10 H11 O12 H13 O14
H11.79171.09982.40762.15054.27433.78753.47064.75463.85182.27872.08682.73592.7067
H21.79171.09782.53342.16163.74572.99642.71673.35462.54902.42112.09653.38763.3521
C31.09981.09782.14211.52313.46422.75492.53413.77512.93111.96001.42682.37262.4069
H42.40762.53342.14211.09672.47663.04952.13973.48732.58124.03743.30412.78652.0338
C52.15052.16161.52311.09672.14042.15471.52783.22602.38453.20142.35781.90761.4140
H64.27433.74573.46422.47662.14041.78241.10032.37432.09504.83103.88323.08662.5871
H73.78752.99642.75493.04952.15471.78241.10082.31142.09323.51842.62162.63362.7038
C83.47062.71672.53412.13971.52781.10031.10081.94691.41893.87512.96372.72852.4122
H94.75463.35463.77513.48733.22602.37432.31141.94690.96604.99374.25664.61734.3400
O103.85182.54902.93112.58122.38452.09502.09321.41890.96604.37203.62773.97183.6272
H112.27872.42111.96004.03743.20144.83103.51843.87514.99374.37200.96562.90363.5178
O122.08682.09651.42683.30412.35783.88322.62162.96374.25663.62770.96562.11842.6895
H132.73593.38762.37262.78651.90763.08662.63362.72854.61733.97182.90362.11840.9721
O142.70673.35212.40692.03381.41402.58712.70382.41224.34003.62723.51782.68950.9721

picture of 1,2,3-Propanetriol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 109.226 H1 C3 C5 109.081
H1 C3 O12 110.704 H2 C3 C5 110.068
H2 C3 O12 111.619 C3 C5 H4 108.611
C3 C5 C8 112.324 C3 C5 O14 110.013
C3 O12 H11 108.483 H4 C5 C8 108.108
H4 C5 O14 107.531 C5 C3 O12 106.081
C5 C8 H6 107.953 C5 C8 H7 109.034
C5 C8 O10 107.977 C5 O14 H13 104.629
H6 C8 H7 108.149 H6 C8 O10 111.904
H7 C8 O10 111.725 C8 C5 O14 110.106
C8 O10 H9 107.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.157     0.047
2 H 0.178     0.080
3 C -0.114     -0.033
4 H 0.174     0.053
5 C 0.080     0.327
6 H 0.158     0.026
7 H 0.154     0.031
8 C -0.097     0.107
9 H 0.410     0.428
10 O -0.636     -0.654
11 H 0.417     0.430
12 O -0.650     -0.605
13 H 0.419     0.397
14 O -0.648     -0.633


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.331 -2.145 -0.720 2.286
CHELPG        
AIM        
ESP -0.319 -2.153 -0.734 2.297


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 173.393
(<r2>)1/2 13.168