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

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-191.871551
Energy at 298.15K-191.874762
HF Energy-191.871551
Nuclear repulsion energy102.126396
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 B3LYP/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' 3819 3685 19.75      
2 A' 3507 3384 55.04      
3 A' 2964 2860 47.19      
4 A' 2248 2169 2.53      
5 A' 1504 1451 1.02      
6 A' 1460 1408 31.01      
7 A' 1255 1211 75.26      
8 A' 1070 1033 103.50      
9 A' 914 882 8.35      
10 A' 678 654 35.37      
11 A' 557 538 2.81      
12 A' 218 211 5.95      
13 A" 2982 2878 40.01      
14 A" 1248 1204 0.25      
15 A" 1031 995 4.66      
16 A" 610 588 45.35      
17 A" 331 320 0.00      
18 A" 231 223 116.80      

Unscaled Zero Point Vibrational Energy (zpe) 13313.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 12847.2 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 B3LYP/6-31G(2df,p)
ABC
1.17315 0.15550 0.14092

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.654 -0.509 0.000
C2 0.000 0.794 0.000
C3 0.514 1.879 0.000
O4 0.327 -1.536 0.000
H5 -1.308 -0.578 0.885
H6 -1.308 -0.578 -0.885
H7 0.974 2.836 0.000
H8 -0.138 -2.378 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.45782.65841.42041.10241.10243.72031.9391
C21.45781.20082.35252.09182.09182.26273.1751
C32.65841.20083.41973.18433.18431.06194.3069
O41.42042.35253.41972.09192.09194.41950.9627
H51.10242.09183.18432.09191.76934.20072.3223
H61.10242.09183.18432.09191.76934.20072.3223
H73.72032.26271.06194.41954.20074.20075.3317
H81.93913.17514.30690.96272.32232.32235.3317

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 178.703 C1 O4 H8 107.348
C2 C1 O4 109.630 C2 C1 H5 108.782
C2 C1 H6 108.782 C2 C3 H7 179.720
O4 C1 H5 111.408 O4 C1 H6 111.408
H5 C1 H6 106.732
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability