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All results from a given calculation for HCCOH (ethynol)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-152.540458
Energy at 298.15K-152.541005
Nuclear repulsion energy57.754220
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 BLYP/6-311G*
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' 3573 3564 39.65      
2 A' 3407 3399 71.33      
3 A' 2210 2204 116.97      
4 A' 1239 1236 101.13      
5 A' 1041 1039 84.48      
6 A' 571 569 50.26      
7 A' 350 349 9.79      
8 A" 492 490 39.57      
9 A" 347 346 25.66      

Unscaled Zero Point Vibrational Energy (zpe) 6614.0 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 6597.4 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 BLYP/6-311G*
ABC
22.10318 0.32008 0.31551

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.124 0.000
C2 -0.019 1.333 0.000
O3 -0.085 -1.194 0.000
H4 -0.009 2.401 0.000
H5 0.807 -1.594 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.20961.32042.27741.8975
C21.20962.52801.06793.0412
O31.32042.52803.59580.9779
H42.27741.06793.59584.0771
H51.89753.04120.97794.0771

picture of ethynol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 178.536 C1 O3 H5 110.415
C2 C1 O3 175.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.119      
2 C -0.254      
3 O -0.484      
4 H 0.216      
5 H 0.403      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.720 -0.812 0.000 1.902
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.879 -3.094 0.000
y -3.094 -12.425 0.000
z 0.000 0.000 -18.742
Traceless
 xyz
x -1.295 -3.094 0.000
y -3.094 5.385 0.000
z 0.000 0.000 -4.090
Polar
3z2-r2-8.180
x2-y2-4.454
xy-3.094
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.048 -0.285 0.000
y -0.285 5.741 0.000
z 0.000 0.000 1.792


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000