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

using model chemistry: HF/cc-pVDZ

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 HF/cc-pVDZ
 hartrees
Energy at 0K-243.684792
Energy at 298.15K 
HF Energy-243.684792
Nuclear repulsion energy127.655785
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 HF/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' 3352 3044 1.82 48.50 0.73 0.84
2 A' 3245 2946 1.70 109.16 0.03 0.05
3 A' 1688 1533 119.08 11.29 0.44 0.61
4 A' 1578 1433 12.72 9.05 0.75 0.86
5 A' 1528 1387 0.23 0.56 0.73 0.84
6 A' 1248 1133 2.97 0.34 0.72 0.84
7 A' 1057 960 7.22 10.37 0.10 0.18
8 A' 750 681 42.08 5.59 0.47 0.64
9 A' 694 630 14.16 1.85 0.65 0.79
10 A" 3387 3076 0.37 42.47 0.75 0.86
11 A" 1880 1707 602.15 1.13 0.75 0.86
12 A" 1563 1419 38.17 9.35 0.75 0.86
13 A" 1210 1099 27.61 2.10 0.75 0.86
14 A" 532 483 1.32 1.36 0.75 0.86
15 A" 2 2 0.01 0.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11856.5 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 10765.7 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 HF/cc-pVDZ
ABC
0.43303 0.36325 0.20520

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.302 0.000
N2 -0.011 0.177 0.000
H3 1.046 -1.602 0.000
H4 -0.493 -1.640 0.903
H5 -0.493 -1.640 -0.903
O6 0.001 0.716 -1.056
O7 0.001 0.716 1.056

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.47921.08731.08321.08322.27802.2780
N21.47922.06942.08532.08531.18601.1860
H31.08732.06941.78441.78442.75372.7537
H41.08322.08531.78441.80673.10392.4119
H51.08322.08531.78441.80672.41193.1039
O62.27801.18602.75373.10392.41192.1126
O72.27801.18602.75372.41193.10392.1126

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 117.034 C1 N2 O7 117.034
N2 C1 H3 106.476 N2 C1 H4 107.946
N2 C1 H5 107.946 H3 C1 H4 110.588
H3 C1 H5 110.588 H4 C1 H5 113.010
O6 N2 O7 125.907
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.112      
2 N 0.329      
3 H 0.092      
4 H 0.079      
5 H 0.079      
6 O -0.345      
7 O -0.345      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.039 -3.987 0.000 3.988
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.238 -0.099 0.000
y -0.099 -21.888 0.000
z 0.000 0.000 -26.713
Traceless
 xyz
x 3.062 -0.099 0.000
y -0.099 2.087 0.000
z 0.000 0.000 -5.149
Polar
3z2-r2-10.299
x2-y20.650
xy-0.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.339 -0.011 0.000
y -0.011 3.439 0.000
z 0.000 0.000 4.677


<r2> (average value of r2) Å2
<r2> 62.147
(<r2>)1/2 7.883