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

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-244.984608
Energy at 298.15K 
HF Energy-244.984608
Nuclear repulsion energy122.873721
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/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' 3091 3096 2.70      
2 A' 2994 2999 1.17      
3 A' 1403 1405 10.02      
4 A' 1341 1343 31.51      
5 A' 1308 1310 87.54      
6 A' 1069 1070 1.05      
7 A' 865 867 24.16      
8 A' 620 621 10.44      
9 A' 576 577 4.33      
10 A" 3124 3129 1.17      
11 A" 1551 1553 191.73      
12 A" 1389 1391 34.51      
13 A" 1046 1047 8.02      
14 A" 456 457 0.30      
15 A" 26 26 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 10428.7 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 10445.4 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/cc-pVDZ
ABC
0.39578 0.34126 0.19004

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.344 0.000
N2 -0.011 0.180 0.000
H3 1.063 -1.654 0.000
H4 -0.500 -1.689 0.919
H5 -0.500 -1.689 -0.919
O6 0.001 0.740 -1.108
O7 0.001 0.740 1.108

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.52401.10631.10231.10232.36032.3603
N21.52402.12462.13962.13961.24131.2413
H31.10632.12461.81331.81332.84332.8433
H41.10232.13961.81331.83903.20342.4875
H51.10232.13961.81331.83902.48753.2034
O62.36031.24132.84333.20342.48752.2153
O72.36031.24132.84332.48753.20342.2153

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 116.826 C1 N2 O7 116.826
N2 C1 H3 106.673 N2 C1 H4 108.043
N2 C1 H5 108.043 H3 C1 H4 110.380
H3 C1 H5 110.380 H4 C1 H5 113.064
O6 N2 O7 126.324
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.105      
2 N 0.185      
3 H 0.065      
4 H 0.046      
5 H 0.046      
6 O -0.223      
7 O -0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.066 -3.158 0.000 3.159
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.273 -0.134 0.000
y -0.134 -21.976 0.000
z 0.000 0.000 -25.889
Traceless
 xyz
x 2.659 -0.134 0.000
y -0.134 1.605 0.000
z 0.000 0.000 -4.264
Polar
3z2-r2-8.529
x2-y20.703
xy-0.134
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.537 -0.004 0.000
y -0.004 4.216 0.000
z 0.000 0.000 4.873


<r2> (average value of r2) Å2
<r2> 65.617
(<r2>)1/2 8.100