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

using model chemistry: B3LYPultrafine/cc-pVTZ

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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-245.109439
Energy at 298.15K 
HF Energy-245.109439
Nuclear repulsion energy125.088978
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 B3LYPultrafine/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 A' 3164 3059 2.21      
2 A' 3077 2974 0.69      
3 A' 1478 1429 11.30      
4 A' 1428 1381 55.60      
5 A' 1400 1353 51.55      
6 A' 1136 1099 1.24      
7 A' 926 895 15.51      
8 A' 663 640 17.28      
9 A' 617 596 5.35      
10 A" 3196 3090 0.54      
11 A" 1633 1579 298.53      
12 A" 1465 1416 41.13      
13 A" 1110 1073 11.80      
14 A" 481 465 0.82      
15 A" 19i 18i 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10876.9 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 10514.7 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 B3LYPultrafine/cc-pVTZ
ABC
0.41243 0.35166 0.19686

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.324 0.000
N2 -0.009 0.175 0.000
H3 1.044 -1.630 0.000
H4 -0.493 -1.663 0.903
H5 -0.493 -1.663 -0.903
O6 0.000 0.730 -1.085
O7 0.000 0.730 1.085

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49901.08771.08381.08382.32232.3223
N21.49902.08962.10482.10481.21831.2183
H31.08772.08961.78301.78302.79852.7985
H41.08382.10481.78301.80693.15002.4500
H51.08382.10481.78301.80692.45003.1500
O62.32231.21832.79853.15002.45002.1694
O72.32231.21832.79852.45003.15002.1694

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 117.071 C1 N2 O7 117.071
N2 C1 H3 106.691 N2 C1 H4 108.086
N2 C1 H5 108.086 H3 C1 H4 110.391
H3 C1 H5 110.391 H4 C1 H5 112.944
O6 N2 O7 125.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.164      
2 N 0.323      
3 H 0.127      
4 H 0.121      
5 H 0.121      
6 O -0.264      
7 O -0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.034 -3.489 0.000 3.490
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.507 -0.084 0.000
y -0.084 -22.086 0.000
z 0.000 0.000 -26.419
Traceless
 xyz
x 2.746 -0.084 0.000
y -0.084 1.877 0.000
z 0.000 0.000 -4.623
Polar
3z2-r2-9.246
x2-y20.579
xy-0.084
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.944 -0.025 0.000
y -0.025 4.440 0.000
z 0.000 0.000 5.200


<r2> (average value of r2) Å2
<r2> 64.047
(<r2>)1/2 8.003