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

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-188.891718
Energy at 298.15K-188.892796
HF Energy-188.891718
Nuclear repulsion energy63.142044
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 PBE1PBE/cc-pVDZ
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' 2380 2288 30.14      
2 A' 1797 1728 118.75      
3 A' 1177 1131 1.42      
4 A' 828 796 118.96      
5 A' 507 487 125.80      
6 A" 861 828 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 3774.6 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 3629.3 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 PBE1PBE/cc-pVDZ
ABC
5.09742 0.38893 0.36136

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.217 0.000
H2 -0.309 1.346 0.000
O3 1.175 -0.031 0.000
O4 -1.136 -0.300 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.17011.20111.2488
H21.17012.02481.8423
O31.20112.02482.3272
O41.24881.84232.3272

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 117.274 H2 C1 O4 99.158
O3 C1 O4 143.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.211      
2 H 0.133      
3 O -0.199      
4 O -0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.742 1.397 0.000 1.581
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.962 -0.709 0.000
y -0.709 -14.054 0.000
z 0.000 0.000 -15.681
Traceless
 xyz
x -5.095 -0.709 0.000
y -0.709 3.767 0.000
z 0.000 0.000 1.328
Polar
3z2-r22.655
x2-y2-5.908
xy-0.709
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.588 0.525 0.000
y 0.525 2.496 0.000
z 0.000 0.000 1.273


<r2> (average value of r2) Å2
<r2> 34.646
(<r2>)1/2 5.886