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 C3H8O2 (1,3-Propanediol)

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-268.809020
Energy at 298.15K-268.819154
Nuclear repulsion energy195.098668
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 MP2=FULL/cc-pVDZ
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 3858 3667 36.79      
2 A 3792 3604 164.92      
3 A 3162 3005 25.42      
4 A 3139 2983 50.43      
5 A 3103 2949 63.89      
6 A 3090 2937 8.78      
7 A 3044 2893 58.07      
8 A 3009 2860 76.69      
9 A 1528 1452 2.42      
10 A 1515 1440 3.59      
11 A 1492 1418 84.49      
12 A 1471 1398 7.82      
13 A 1453 1381 3.40      
14 A 1410 1340 2.34      
15 A 1380 1312 0.22      
16 A 1317 1252 29.50      
17 A 1294 1230 3.30      
18 A 1239 1178 11.51      
19 A 1210 1150 48.99      
20 A 1150 1093 37.65      
21 A 1134 1078 10.47      
22 A 1122 1066 100.02      
23 A 986 937 1.19      
24 A 928 882 8.78      
25 A 923 877 3.72      
26 A 844 802 9.07      
27 A 588 559 133.64      
28 A 511 485 2.08      
29 A 393 373 3.97      
30 A 341 324 19.35      
31 A 292 278 70.69      
32 A 229 218 2.72      
33 A 108 103 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 25527.7 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 24261.6 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 MP2=FULL/cc-pVDZ
ABC
0.25560 0.13352 0.09707

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.026 1.043 -0.348
C2 1.283 0.468 0.173
C3 -1.253 0.402 0.304
H4 -0.086 0.892 -1.439
H5 -0.024 2.131 -0.157
O6 1.282 -0.939 -0.091
O7 -1.478 -0.923 -0.137
H8 2.059 -1.316 0.343
H9 -0.606 -1.345 -0.085
H10 2.144 0.957 -0.321
H11 1.361 0.661 1.261
H12 -1.141 0.457 1.409
H13 -2.156 0.979 0.046

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52141.53011.10331.10442.38912.45353.22342.47202.17172.15812.16102.1668
C21.52142.54022.15652.14021.43193.10711.95312.63101.10631.10792.72033.4788
C31.53012.54022.15392.17122.89511.41463.73111.90323.49822.79591.11211.1020
H41.10332.15652.15391.78402.65392.63213.55702.66662.49513.07183.06762.5488
H51.10442.14022.17121.78403.33713.38304.05823.52552.47022.46722.54952.4322
O62.38911.43192.89512.65393.33712.76040.96621.93112.09582.09653.17303.9392
O72.45353.10711.41462.63213.38302.76043.59070.97024.08493.53902.09992.0276
H83.22341.95313.73113.55704.05820.96623.59072.69892.36992.28873.80984.8081
H92.47202.63101.90322.66663.52551.93110.97022.69893.59413.11532.40102.7966
H102.17171.10633.49822.49512.47022.09584.08492.36993.59411.78953.74534.3152
H112.15811.10792.79593.07182.46722.09653.53902.28873.11531.78952.51413.7344
H122.16102.72031.11213.06762.54953.17302.09993.80982.40103.74532.51411.7779
H132.16683.47881.10202.54882.43223.93922.02764.80812.79664.31523.73441.7779

picture of 1,3-Propanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 107.948 C1 C2 H10 110.471
C1 C2 H11 109.313 C1 C3 O7 112.795
C1 C3 H12 108.713 C1 C3 H13 109.747
C2 C1 C3 112.699 C2 C1 H4 109.461
C2 C1 H5 108.134 C2 O6 H8 107.465
C3 C1 H4 108.667 C3 C1 H5 109.946
C3 O7 H9 104.342 H4 C1 H5 107.818
O6 C2 H10 110.660 O6 C2 H11 110.614
O7 C3 H12 111.865 O7 C3 H13 106.699
H10 C2 H11 107.837 H12 C3 H13 106.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability