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All results from a given calculation for C3H4O (2-Propyn-1-ol)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-191.876046
Energy at 298.15K-191.879241
HF Energy-191.876046
Nuclear repulsion energy101.978953
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 TPSSh/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 A' 3784 3652 15.55      
2 A' 3505 3383 50.53      
3 A' 2965 2861 49.55      
4 A' 2232 2154 1.94      
5 A' 1511 1458 0.57      
6 A' 1455 1404 30.82      
7 A' 1252 1208 71.62      
8 A' 1059 1022 104.89      
9 A' 913 881 8.18      
10 A' 677 653 34.47      
11 A' 547 528 3.06      
12 A' 212 204 6.11      
13 A" 2987 2883 43.00      
14 A" 1243 1200 0.10      
15 A" 1028 992 5.31      
16 A" 614 592 45.25      
17 A" 323 312 0.02      
18 A" 240 231 114.29      

Unscaled Zero Point Vibrational Energy (zpe) 13272.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 12808.1 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 TPSSh/6-31G(2df,p)
ABC
1.16330 0.15537 0.14069

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.657 -0.515 0.000
C2 0.000 0.792 0.000
C3 0.514 1.881 0.000
O4 0.329 -1.534 0.000
H5 -1.309 -0.574 0.886
H6 -1.309 -0.574 -0.886
H7 0.970 2.842 0.000
H8 -0.130 -2.380 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.46282.66681.41801.10161.10163.72981.9383
C21.46281.20422.34922.08902.08902.26723.1752
C32.66681.20423.41993.18353.18351.06314.3098
O41.41802.34923.41992.09502.09504.42200.9632
H51.10162.08903.18352.09501.77234.20022.3317
H61.10162.08903.18352.09501.77234.20022.3317
H73.72982.26721.06314.42204.20024.20025.3365
H81.93833.17524.30980.96322.33172.33175.3365

picture of 2-Propyn-1-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 178.597 C1 O4 H8 107.439
C2 C1 O4 109.257 C2 C1 H5 108.274
C2 C1 H6 108.274 C2 C3 H7 179.898
O4 C1 H5 111.897 O4 C1 H6 111.897
H5 C1 H6 107.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability