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All results from a given calculation for CH3OH (Methyl alcohol)

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-115.630627
Energy at 298.15K-115.634710
HF Energy-115.630627
Nuclear repulsion energy40.027217
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 PBEPBEultrafine/aug-cc-pVTZ
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' 3720 3679 23.67 83.53 0.18 0.31
2 A' 3044 3010 22.20 68.87 0.48 0.65
3 A' 2920 2887 67.08 186.67 0.03 0.05
4 A' 1456 1439 5.39 5.62 0.74 0.85
5 A' 1421 1405 2.77 1.54 0.16 0.28
6 A' 1329 1314 21.21 1.70 0.29 0.44
7 A' 1050 1039 2.11 5.75 0.22 0.35
8 A' 1009 998 113.02 0.78 0.35 0.52
9 A" 2967 2934 53.14 78.19 0.75 0.86
10 A" 1443 1426 2.80 5.53 0.75 0.86
11 A" 1128 1116 0.10 0.82 0.75 0.86
12 A" 289 286 99.22 0.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10888.0 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 10766.1 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
4.21513 0.81673 0.78812

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 0.667 0.000
O2 -0.047 -0.762 0.000
H3 -1.098 0.981 0.000
H4 0.440 1.086 0.898
H5 0.440 1.086 -0.898
H6 0.875 -1.063 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.42861.09691.10361.10361.9599
O21.42862.03522.11062.11060.9696
H31.09692.03521.78351.78352.8406
H41.10362.11061.78351.79582.3685
H51.10362.11061.78351.79582.3685
H61.95990.96962.84062.36852.3685

picture of Methyl alcohol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 108.088 O2 C1 H3 106.647
O2 C1 H4 112.283 O2 C1 H5 112.283
H3 C1 H4 108.285 H3 C1 H5 108.285
H4 C1 H5 108.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.432      
2 O -0.381      
3 H 0.255      
4 H 0.209      
5 H 0.209      
6 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.312 0.890 0.000 1.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.015 -2.076 0.000
y -2.076 -13.701 0.000
z 0.000 0.000 -14.070
Traceless
 xyz
x 1.871 -2.076 0.000
y -2.076 -0.658 0.000
z 0.000 0.000 -1.212
Polar
3z2-r2-2.425
x2-y21.686
xy-2.076
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.235 -0.084 0.000
y -0.084 3.716 0.000
z 0.000 0.000 3.167


<r2> (average value of r2) Å2
<r2> 24.042
(<r2>)1/2 4.903