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

using model chemistry: HF/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 HF/TZVP
 hartrees
Energy at 0K-189.986103
Energy at 298.15K-189.991497
HF Energy-189.986103
Nuclear repulsion energy82.645446
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 HF/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 4143 3764 45.93      
2 A 3207 2914 75.77      
3 A 1668 1516 2.31      
4 A 1511 1373 4.93      
5 A 1303 1184 0.92      
6 A 1152 1047 137.85      
7 A 619 562 97.23      
8 A 432 393 69.28      
9 B 4142 3763 75.36      
10 B 3253 2956 63.84      
11 B 1598 1452 91.13      
12 B 1485 1349 48.70      
13 B 1204 1094 273.84      
14 B 1099 998 17.43      
15 B 399 363 207.75      

Unscaled Zero Point Vibrational Energy (zpe) 13607.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 12363.5 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 HF/TZVP
ABC
1.42419 0.35146 0.31017

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.527
O2 0.000 1.151 -0.245
O3 0.000 -1.151 -0.245
H4 -0.882 -0.062 1.151
H5 0.882 0.062 1.151
H6 -0.781 1.175 -0.774
H7 0.781 -1.175 -0.774

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.38571.38571.08231.08231.91881.9188
O21.38572.30192.04871.97760.94332.5099
O31.38572.30191.97762.04872.50990.9433
H41.08232.04871.97761.76882.29012.7761
H51.08231.97762.04871.76882.77612.2901
H61.91880.94332.50992.29012.77612.8213
H71.91882.50990.94332.77612.29012.8213

picture of methanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 109.483 C1 O3 H7 109.483
O2 C1 O3 112.325 O2 C1 H4 111.632
O2 C1 H5 105.859 O3 C1 H4 105.859
O3 C1 H5 111.632 H4 C1 H5 109.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.204      
2 O -0.446      
3 O -0.446      
4 H 0.066      
5 H 0.066      
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 -0.138 0.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.570 -3.786 0.000
y -3.786 -22.803 0.000
z 0.000 0.000 -16.129
Traceless
 xyz
x 3.896 -3.786 0.000
y -3.786 -6.953 0.000
z 0.000 0.000 3.058
Polar
3z2-r26.116
x2-y27.233
xy-3.786
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.832 -0.111 0.000
y -0.111 2.880 0.000
z 0.000 0.000 2.911


<r2> (average value of r2) Å2
<r2> 44.556
(<r2>)1/2 6.675