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All results from a given calculation for H2CO (Formaldehyde)

using model chemistry: B3LYP/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/daug-cc-pVTZ
 hartrees
Energy at 0K-114.552319
Energy at 298.15K-114.553762
HF Energy-114.552319
Nuclear repulsion energy31.386036
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 B3LYP/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2883 2883 73.13 186.42 0.10 0.19
2 A1 1814 1814 113.91 8.68 0.29 0.45
3 A1 1530 1530 11.89 8.84 0.40 0.57
4 B1 1200 1200 5.59 0.24 0.75 0.86
5 B2 2939 2939 117.02 108.16 0.75 0.86
6 B2 1263 1263 11.71 1.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5814.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5814.1 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 B3LYP/daug-cc-pVTZ
ABC
9.49684 1.30554 1.14775

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.673
C2 0.000 0.000 -0.527
H3 0.000 0.938 -1.112
H4 0.000 -0.938 -1.112

Atom - Atom Distances (Å)
  O1 C2 H3 H4
O11.20022.01692.0169
C21.20021.10591.1059
H32.01691.10591.8769
H42.01691.10591.8769

picture of Formaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 121.943 O1 C2 H4 121.943
H3 C2 H4 116.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.813      
2 C -0.456      
3 H 0.635      
4 H 0.635      


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 -2.385 2.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.766 0.000 0.000
y 0.000 -11.700 0.000
z 0.000 0.000 -12.401
Traceless
 xyz
x 0.284 0.000 0.000
y 0.000 0.383 0.000
z 0.000 0.000 -0.668
Polar
3z2-r2-1.335
x2-y2-0.066
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.963 0.000 0.000
y 0.000 2.750 0.000
z 0.000 0.000 3.374


<r2> (average value of r2) Å2
<r2> 16.994
(<r2>)1/2 4.122