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: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-342.724293
Energy at 298.15K-342.734794
Nuclear repulsion energy266.602803
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 B1B95/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3580 3425 7.33      
2 A 3550 3397 0.87      
3 A 3414 3266 46.81      
4 A 3142 3006 39.55      
5 A 3142 3006 17.87      
6 A 3098 2964 29.98      
7 A 3063 2930 31.87      
8 A 3047 2915 38.06      
9 A 1572 1503 12.39      
10 A 1548 1481 17.05      
11 A 1480 1416 59.54      
12 A 1446 1384 33.86      
13 A 1417 1356 8.24      
14 A 1391 1331 16.34      
15 A 1343 1285 24.26      
16 A 1294 1238 20.20      
17 A 1241 1188 10.96      
18 A 1222 1169 3.18      
19 A 1183 1131 29.39      
20 A 1134 1085 6.45      
21 A 1078 1032 32.29      
22 A 1044 999 154.76      
23 A 1036 991 15.82      
24 A 988 945 13.87      
25 A 950 909 21.34      
26 A 848 811 14.45      
27 A 657 628 60.48      
28 A 632 604 107.89      
29 A 484 463 13.33      
30 A 392 375 12.40      
31 A 329 315 3.03      
32 A 270 258 125.48      
33 A 253 242 30.09      
34 A 246 235 124.19      
35 A 195 187 13.43      
36 A 122 117 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 25914.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 24792.5 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 B1B95/3-21G
ABC
0.16073 0.09399 0.07276

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.413 -0.773 1.500
H2 0.082 -1.544 0.841
C3 -0.694 -0.794 0.674
H4 0.344 0.941 1.452
C5 -0.037 0.570 0.500
H6 1.539 1.416 -0.690
H7 0.678 0.022 -1.418
C8 1.107 0.429 -0.494
H9 2.747 -0.716 -0.526
O10 2.046 -0.491 0.133
H11 -1.929 -1.782 -0.590
O12 -1.372 -0.967 -0.617
H13 -1.557 0.906 -0.620
O14 -1.016 1.496 -0.020

Atom - Atom Distances (Å)
  H1 H2 C3 H4 C5 H6 H7 C8 H9 O10 H11 O12 H13 O14
H11.80701.09542.45532.16724.27833.67703.43104.62813.72962.37782.12612.70812.7597
H21.80701.09222.57292.14483.63772.81302.59353.10822.33822.47992.13813.29023.3455
C31.09541.09222.16681.52413.42562.63172.47073.64582.80912.02461.46802.30442.4148
H42.45532.57292.16681.09062.49783.03142.15183.52592.58504.09303.29632.81212.0796
C52.16722.14481.52411.09062.14852.11851.52193.23392.36553.20922.32191.91781.4448
H64.27833.63773.42562.49782.14851.79301.09572.45602.13784.71913.76333.13902.6432
H73.67702.81302.63173.03142.11851.79301.09652.37142.13083.27712.41332.53252.6451
C83.43102.59352.47072.15181.52191.09571.09652.00051.45603.75702.84762.70952.4234
H94.62813.10823.64583.52593.23392.45602.37142.00050.98914.79744.12824.60104.3949
O103.72962.33822.80912.58502.36552.13782.13081.45600.98914.24163.53123.93683.6532
H112.37782.47992.02464.09303.20924.71913.27713.75704.79744.24160.98732.71363.4502
O122.12612.13811.46803.29632.32193.76332.41332.84764.12823.53120.98731.88262.5596
H132.70813.29022.30442.81211.91783.13902.53252.70954.60103.93682.71361.88261.0004
O142.75973.34552.41482.07961.44482.64322.64512.42344.39493.65323.45022.55961.0004

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 111.383 H1 C3 C5 110.590
H1 C3 O12 111.245 H2 C3 C5 109.011
H2 C3 O12 112.424 C3 C5 H4 110.842
C3 C5 C8 108.411 C3 C5 O14 108.825
C3 O12 H11 109.532 H4 C5 C8 109.803
H4 C5 O14 109.421 C5 C3 O12 101.778
C5 C8 H6 109.246 C5 C8 H7 106.884
C5 C8 O10 105.164 C5 O14 H13 101.769
H6 C8 H7 109.746 H6 C8 O10 113.057
H7 C8 O10 112.424 C8 C5 O14 109.513
C8 O10 H9 108.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.207      
2 H 0.230      
3 C -0.211      
4 H 0.235      
5 C -0.039      
6 H 0.206      
7 H 0.203      
8 C -0.181      
9 H 0.352      
10 O -0.572      
11 H 0.367      
12 O -0.576      
13 H 0.358      
14 O -0.579      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.011 -2.930 -0.863 3.054
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.086 5.329 -3.291
y 5.329 -36.726 0.194
z -3.291 0.194 -34.904
Traceless
 xyz
x 5.729 5.329 -3.291
y 5.329 -4.231 0.194
z -3.291 0.194 -1.498
Polar
3z2-r2-2.996
x2-y26.640
xy5.329
xz-3.291
yz0.194


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.374 0.150 0.089
y 0.150 5.794 -0.080
z 0.089 -0.080 5.382


<r2> (average value of r2) Å2
<r2> 168.849
(<r2>)1/2 12.994