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All results from a given calculation for CH2(OH)2 (methanediol)

using model chemistry: LSDA/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at LSDA/TZVP
 hartrees
Energy at 0K-190.085487
Energy at 298.15K-190.090760
HF Energy-190.085487
Nuclear repulsion energy81.824287
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 LSDA/TZVP
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 3697 3654 23.25      
2 A 2945 2911 59.68      
3 A 1452 1435 0.03      
4 A 1340 1324 2.56      
5 A 1173 1160 0.10      
6 A 1039 1027 106.65      
7 A 585 578 94.45      
8 A 399 394 40.36      
9 B 3698 3655 39.50      
10 B 2991 2957 38.98      
11 B 1395 1379 53.44      
12 B 1316 1300 21.77      
13 B 1078 1066 258.58      
14 B 988 977 21.17      
15 B 415 410 210.90      

Unscaled Zero Point Vibrational Energy (zpe) 12254.6 cm-1
Scaled (by 0.9884) Zero Point Vibrational Energy (zpe) 12112.4 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 LSDA/TZVP
ABC
1.39861 0.34590 0.30627

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.525
O2 0.000 1.160 -0.244
O3 0.000 -1.160 -0.244
H4 -0.897 -0.084 1.164
H5 0.897 0.084 1.164
H6 -0.810 1.159 -0.787
H7 0.810 -1.159 -0.787

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39201.39201.10501.10501.92831.9283
O21.39202.32072.08231.98700.97462.5156
O31.39202.32071.98702.08232.51560.9746
H41.10502.08231.98701.80242.31472.8064
H51.10501.98702.08231.80242.80642.3147
H61.92830.97462.51562.31472.80642.8271
H71.92832.51560.97462.80642.31472.8271

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.836 C1 O3 H7 107.836
O2 C1 O3 112.937 O2 C1 H4 112.503
O2 C1 H5 104.867 O3 C1 H4 104.867
O3 C1 H5 112.503 H4 C1 H5 109.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 O -0.362      
3 O -0.362      
4 H 0.153      
5 H 0.153      
6 H 0.277      
7 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.309 0.309
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.043 -3.666 0.000
y -3.666 -22.955 0.000
z 0.000 0.000 -16.696
Traceless
 xyz
x 3.782 -3.666 0.000
y -3.666 -6.585 0.000
z 0.000 0.000 2.803
Polar
3z2-r25.606
x2-y26.912
xy-3.666
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.333 -0.170 0.000
y -0.170 3.544 0.000
z 0.000 0.000 3.487


<r2> (average value of r2) Å2
<r2> 45.313
(<r2>)1/2 6.732