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All results from a given calculation for HCOO (formate neutral radical)

using model chemistry: ROHF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at ROHF/aug-cc-pVDZ
 hartrees
Energy at 0K-188.160312
Energy at 298.15K-188.161607
HF Energy-188.160312
Nuclear repulsion energy63.142207
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 ROHF/aug-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' 3195 3195 34.59      
2 A' 1963 1963 412.33      
3 A' 1476 1476 13.36      
4 A' 1166 1166 130.96      
5 A' 629 629 48.92      
6 A" 1138 1138 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 4783.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4783.7 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 ROHF/aug-cc-pVDZ
ABC
3.24295 0.42881 0.37873

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.363 0.000
H2 -0.317 1.413 0.000
O3 1.110 -0.030 0.000
O4 -1.071 -0.419 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.09731.17751.3253
H21.09732.02961.9806
O31.17752.02962.2152
O41.32531.98062.2152

picture of formate neutral radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 O3 126.266 H2 C1 O4 109.318
O3 C1 O4 124.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.984      
2 H -0.072      
3 O -0.535      
4 O -0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.803 1.821 0.000 2.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.262 -0.961 0.000
y -0.961 -14.676 0.000
z 0.000 0.000 -16.135
Traceless
 xyz
x -4.857 -0.961 0.000
y -0.961 3.522 0.000
z 0.000 0.000 1.334
Polar
3z2-r22.669
x2-y2-5.586
xy-0.961
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 33.958
(<r2>)1/2 5.827