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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-113.641380
Energy at 298.15K-113.645567
HF Energy-113.546926
Nuclear repulsion energy39.281503
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 MP2=FULL/STO-3G
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' 3875 3445 44.26 35.52 0.30 0.46
2 A' 3520 3129 3.23 26.18 0.71 0.83
3 A' 3316 2948 11.44 34.82 0.03 0.06
4 A' 1735 1543 1.54 16.35 0.75 0.86
5 A' 1658 1474 2.65 2.82 0.71 0.83
6 A' 1631 1450 10.53 9.84 0.72 0.84
7 A' 1209 1075 0.11 7.01 0.38 0.55
8 A' 1130 1004 16.71 0.61 0.67 0.80
9 A" 3470 3084 16.20 24.42 0.75 0.86
10 A" 1716 1526 1.31 16.08 0.75 0.86
11 A" 1223 1087 3.20 4.53 0.75 0.86
12 A" 408 362 60.39 5.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12445.1 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 11062.4 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 MP2=FULL/STO-3G
ABC
4.03472 0.79203 0.75920

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.051 0.674 0.000
O2 -0.051 -0.785 0.000
H3 -1.110 1.002 0.000
H4 0.443 1.106 0.899
H5 0.443 1.106 -0.899
H6 0.946 -0.983 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.45921.10801.11311.11311.9338
O21.45922.07702.15152.15151.0164
H31.10802.07701.79701.79702.8573
H41.11312.15151.79701.79792.3292
H51.11312.15151.79701.79792.3292
H61.93381.01642.85732.32922.3292

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 101.220 O2 C1 H3 107.212
O2 C1 H4 112.840 O2 C1 H5 112.840
H3 C1 H4 108.008 H3 C1 H5 108.008
H4 C1 H5 107.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability