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

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-115.413374
Energy at 298.15K-115.417558
HF Energy-115.048445
Nuclear repulsion energy40.167818
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 QCISD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3865 3709 21.55      
2 A' 3148 3020 35.95      
3 A' 3014 2892 58.86      
4 A' 1516 1455 3.49      
5 A' 1494 1433 9.73      
6 A' 1412 1355 29.31      
7 A' 1113 1068 29.83      
8 A' 1084 1040 76.88      
9 A" 3069 2945 81.45      
10 A" 1498 1437 1.28      
11 A" 1181 1133 1.84      
12 A" 346 332 112.37      

Unscaled Zero Point Vibrational Energy (zpe) 11370.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 10908.5 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 QCISD/cc-pVDZ
ABC
4.19010 0.82668 0.79685

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 0.658 0.000
O2 -0.047 -0.759 0.000
H3 -1.101 0.982 0.000
H4 0.442 1.088 0.899
H5 0.442 1.088 -0.899
H6 0.878 -1.034 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.41731.10301.11011.11011.9288
O21.41732.03582.11172.11170.9648
H31.10302.03581.78911.78912.8256
H41.11012.11171.78911.79852.3459
H51.11012.11171.78911.79852.3459
H61.92880.96482.82562.34592.3459

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 106.580 O2 C1 H3 107.099
O2 C1 H4 112.777 O2 C1 H5 112.777
H3 C1 H4 107.882 H3 C1 H5 107.882
H4 C1 H5 108.207
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability