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All results from a given calculation for CH2OH (Hydroxymethyl radical)

using model chemistry: MP2=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-113.969807
Energy at 298.15K-113.972404
HF Energy-113.772653
Nuclear repulsion energy34.432632
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/3-21G
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 3557 3396 13.27      
2 A 3320 3170 25.51      
3 A 3164 3021 21.25      
4 A 1566 1495 7.01      
5 A 1403 1339 30.09      
6 A 1142 1090 30.72      
7 A 1074 1026 107.88      
8 A 743 709 57.57      
9 A 452 432 133.60      

Unscaled Zero Point Vibrational Energy (zpe) 8209.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 7838.6 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/3-21G
ABC
6.32721 0.93697 0.82754

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.708 0.030 -0.077
O2 0.691 -0.125 0.032
H3 -1.235 -0.896 0.095
H4 -1.168 0.968 0.222
H5 1.129 0.750 -0.112

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.41171.07971.08621.9735
O21.41172.07502.16490.9894
H31.07972.07501.86962.8880
H41.08622.16491.86962.3319
H51.97350.98942.88802.3319

picture of Hydroxymethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.287 O2 C1 H3 112.102
O2 C1 H4 119.586 H3 C1 H4 119.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability