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All results from a given calculation for CH3NO2 (Methane, nitro-)

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS Os out of place 1A'
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-244.968127
Energy at 298.15K-244.972721
HF Energy-244.968127
Nuclear repulsion energy122.750500
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 BLYP/6-31G*
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' 3111 3086 3.67      
2 A' 3021 2997 1.24      
3 A' 1463 1451 9.56      
4 A' 1381 1370 3.51      
5 A' 1323 1313 103.38      
6 A' 1100 1092 0.96      
7 A' 865 858 18.21      
8 A' 619 614 12.28      
9 A' 572 568 4.49      
10 A" 3141 3116 2.19      
11 A" 1561 1548 177.41      
12 A" 1449 1437 45.48      
13 A" 1075 1066 8.53      
14 A" 457 453 0.45      
15 A" 23 23 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 10580.4 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 10494.7 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 BLYP/6-31G*
ABC
0.39428 0.34115 0.18960

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 -1.336 0.000
N2 -0.057 0.183 0.000
H3 1.074 -1.618 0.000
H4 -0.471 -1.706 0.910
H5 -0.471 -1.706 -0.910
O6 0.012 0.735 -1.102
O7 0.012 0.735 1.102

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.52041.09931.09491.09492.34562.3456
N21.52042.12712.13752.13751.23431.2343
H31.09932.12711.79591.79592.80722.8072
H41.09492.13751.79591.81993.20002.4958
H51.09492.13751.79591.81992.49583.2000
O62.34561.23432.80723.20002.49582.2039
O72.34561.23432.80722.49583.20002.2039

picture of Methane, nitro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O6 116.362 C1 N2 O7 116.362
N2 C1 H3 107.489 N2 C1 H4 108.536
N2 C1 H5 108.536 H3 C1 H4 109.861
H3 C1 H5 109.861 H4 C1 H5 112.416
O6 N2 O7 126.450
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.304      
2 N 0.419      
3 H 0.195      
4 H 0.187      
5 H 0.187      
6 O -0.342      
7 O -0.342      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.052 -3.298 0.000 3.298
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.328 -0.120 0.000
y -0.120 -21.819 0.000
z 0.000 0.000 -25.827
Traceless
 xyz
x 2.495 -0.120 0.000
y -0.120 1.758 0.000
z 0.000 0.000 -4.253
Polar
3z2-r2-8.507
x2-y20.491
xy-0.120
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.564 -0.022 0.000
y -0.022 4.076 0.000
z 0.000 0.000 4.831


<r2> (average value of r2) Å2
<r2> 65.648
(<r2>)1/2 8.102