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

using model chemistry: SVWN/3-21G

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 SVWN/3-21G
 hartrees
Energy at 0K-242.411400
Energy at 298.15K 
HF Energy-242.411400
Nuclear repulsion energy121.993318
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 SVWN/3-21G
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' 3126 3070 0.80      
2 A' 3026 2971 0.28      
3 A' 1469 1443 21.62      
4 A' 1353 1328 4.73      
5 A' 1216 1194 119.58      
6 A' 1086 1067 3.25      
7 A' 854 839 9.77      
8 A' 616 605 14.47      
9 A' 548 538 2.99      
10 A" 3161 3104 0.14      
11 A" 1482 1455 2.42      
12 A" 1397 1372 120.32      
13 A" 1038 1019 5.17      
14 A" 428 421 0.14      
15 A" 32 32 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 10416.5 cm-1
Scaled (by 0.9819) Zero Point Vibrational Energy (zpe) 10227.9 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 SVWN/3-21G
ABC
0.37624 0.35122 0.18830

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.003 -1.323 0.000
N2 -0.016 0.169 0.000
H3 1.058 -1.637 0.000
H4 -0.501 -1.658 0.915
H5 -0.501 -1.658 -0.915
O6 0.003 0.732 -1.139
O7 0.003 0.732 1.139

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49201.10171.09691.09692.34862.3486
N21.49202.10142.10062.10061.27011.2701
H31.10172.10141.80801.80802.83192.8319
H41.09692.10061.80801.82983.19102.4526
H51.09692.10061.80801.82982.45263.1910
O62.34861.27012.83193.19102.45262.2774
O72.34861.27012.83192.45263.19102.2774

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 116.260 C1 N2 O7 116.260
N2 C1 H3 107.272 N2 C1 H4 107.486
N2 C1 H5 107.486 H3 C1 H4 110.642
H3 C1 H5 110.642 H4 C1 H5 113.042
O6 N2 O7 127.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.481      
2 N 0.204      
3 H 0.283      
4 H 0.267      
5 H 0.267      
6 O -0.270      
7 O -0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.093 -3.279 0.000 3.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.248 -0.209 0.000
y -0.209 -21.719 0.000
z 0.000 0.000 -25.832
Traceless
 xyz
x 2.528 -0.209 0.000
y -0.209 1.821 0.000
z 0.000 0.000 -4.349
Polar
3z2-r2-8.697
x2-y20.471
xy-0.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.098 -0.013 0.000
y -0.013 3.454 0.000
z 0.000 0.000 4.469


<r2> (average value of r2) Å2
<r2> 65.805
(<r2>)1/2 8.112