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All results from a given calculation for CHONH2 (formamide)

using model chemistry: M06-2X/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Planar 1A'
1 2 no Non-Planar 1A

Conformer 1 (Planar)

Jump to S1C2
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-169.830365
Energy at 298.15K-169.834027
HF Energy-169.830365
Nuclear repulsion energy71.489566
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 M06-2X/6-31G(2df,p)
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' 3786 3606 57.00      
2 A' 3639 3466 50.89      
3 A' 3033 2888 92.79      
4 A' 1883 1794 382.83      
5 A' 1613 1536 80.91      
6 A' 1443 1374 3.88      
7 A' 1283 1222 107.06      
8 A' 1060 1010 2.81      
9 A' 570 543 12.04      
10 A" 1070 1020 0.15      
11 A" 654 623 18.33      
12 A" 191 182 212.85      

Unscaled Zero Point Vibrational Energy (zpe) 10113.3 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 9631.9 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 M06-2X/6-31G(2df,p)
ABC
2.46549 0.38201 0.33076

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
O2 1.191 0.242 0.000
N3 -0.932 -0.568 0.000
H4 -0.462 1.425 0.000
H5 -0.627 -1.528 0.000
H6 -1.915 -0.368 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.20371.35721.10732.04462.0701
O21.20372.27192.03242.53673.1650
N31.35722.27192.04751.00671.0037
H41.10732.03242.04752.95692.3071
H52.04462.53671.00672.95691.7338
H62.07013.16501.00372.30711.7338

picture of formamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.001 C1 N3 H6 121.812
O2 C1 N3 124.927 O2 C1 H4 123.103
N3 C1 H4 111.970 H5 N3 H6 119.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.222      
2 O -0.352      
3 N -0.537      
4 H 0.090      
5 H 0.289      
6 H 0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.689 -0.723 0.000 3.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.629 -0.101 0.000
y -0.101 -14.508 0.000
z 0.000 0.000 -18.356
Traceless
 xyz
x -1.197 -0.101 0.000
y -0.101 3.485 0.000
z 0.000 0.000 -2.288
Polar
3z2-r2-4.575
x2-y2-3.121
xy-0.101
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.131 0.279 0.000
y 0.279 3.417 0.000
z 0.000 0.000 1.857


<r2> (average value of r2) Å2
<r2> 40.443
(<r2>)1/2 6.360

Conformer 2 (Non-Planar)

Jump to S1C1
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-169.830339
Energy at 298.15K-169.833906
HF Energy-169.830339
Nuclear repulsion energy71.486184
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 M06-2X/6-31G(2df,p)
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 3785 3605 57.44      
2 A 3638 3464 51.85      
3 A 3017 2874 95.07      
4 A 1881 1791 386.30      
5 A 1613 1536 82.60      
6 A 1436 1368 3.58      
7 A 1284 1223 105.78      
8 A 1073 1022 0.14      
9 A 1059 1009 2.64      
10 A 642 611 14.71      
11 A 568 541 12.12      
12 A 136 129 216.53      

Unscaled Zero Point Vibrational Energy (zpe) 10065.2 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 9586.1 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 M06-2X/6-31G(2df,p)
ABC
2.46632 0.38193 0.33071

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.164 0.386 -0.000
O2 1.189 -0.245 0.000
N3 -1.079 -0.157 -0.000
H4 0.135 1.492 0.000
H5 -1.172 -1.159 0.000
H6 -1.905 0.414 0.001

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.20381.35651.10642.04242.0688
O21.20382.27022.03212.53193.1632
N31.35652.27022.04731.00641.0032
H41.10642.03212.04732.95532.3068
H52.04242.53191.00642.95531.7346
H62.06883.16321.00322.30681.7346

picture of formamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 118.873 C1 N3 H6 121.781
O2 C1 N3 124.810 O2 C1 H4 123.133
N3 C1 H4 112.057 H5 N3 H6 119.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.222      
2 O -0.352      
3 N -0.537      
4 H 0.091      
5 H 0.289      
6 H 0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.679 0.779 0.002 3.760
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.222 1.053 -0.004
y 1.053 -14.914 0.000
z -0.004 0.000 -18.356
Traceless
 xyz
x -0.587 1.053 -0.004
y 1.053 2.875 0.000
z -0.004 0.000 -2.288
Polar
3z2-r2-4.576
x2-y2-2.308
xy1.053
xz-0.004
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.216 -0.065 0.000
y -0.065 3.339 0.000
z 0.000 0.000 1.856


<r2> (average value of r2) Å2
<r2> 40.446
(<r2>)1/2 6.360