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All results from a given calculation for HCCOH (ethynol)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-152.454958
Energy at 298.15K-152.455527
HF Energy-152.454958
Nuclear repulsion energy57.692183
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 B97D3/6-31+G**
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' 3699 3635 93.06      
2 A' 3456 3396 86.93      
3 A' 2226 2188 157.94      
4 A' 1208 1187 75.02      
5 A' 1062 1043 101.29      
6 A' 583 573 63.49      
7 A' 347 341 9.12      
8 A" 500 491 58.87      
9 A" 357 351 25.86      

Unscaled Zero Point Vibrational Energy (zpe) 6718.2 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 6602.7 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 B97D3/6-31+G**
ABC
22.20719 0.31900 0.31449

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.121 0.000
C2 0.008 1.337 0.000
O3 -0.107 -1.194 0.000
H4 0.032 2.405 0.000
H5 0.777 -1.600 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.21641.31912.28401.8877
C21.21642.53381.06763.0359
O31.31912.53383.60120.9724
H42.28401.06763.60124.0729
H51.88773.03590.97244.0729

picture of ethynol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 174.217 C1 O3 H5 107.231
C2 C1 O3 169.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.237      
2 C 0.224      
3 O -0.558      
4 H 0.197      
5 H 0.374      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.645 -0.779 0.000 1.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.211 -2.999 0.000
y -2.999 -12.589 0.000
z 0.000 0.000 -19.088
Traceless
 xyz
x -1.372 -2.999 0.000
y -2.999 5.560 0.000
z 0.000 0.000 -4.189
Polar
3z2-r2-8.377
x2-y2-4.621
xy-2.999
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.503 -0.119 0.000
y -0.119 6.312 0.000
z 0.000 0.000 2.445


<r2> (average value of r2) Å2
<r2> 41.436
(<r2>)1/2 6.437