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

using model chemistry: HF/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-243.707728
Energy at 298.15K 
HF Energy-243.707728
Nuclear repulsion energy127.355810
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3336 3037 3.04 37.19 0.69 0.82
2 A' 3234 2945 2.78 126.47 0.01 0.02
3 A' 1676 1526 88.08 18.56 0.37 0.54
4 A' 1577 1436 12.74 4.06 0.71 0.83
5 A' 1531 1394 0.45 0.10 0.64 0.78
6 A' 1250 1138 1.55 0.30 0.47 0.64
7 A' 1045 952 3.42 13.73 0.06 0.11
8 A' 739 673 38.49 4.09 0.36 0.53
9 A' 692 630 12.35 1.18 0.51 0.67
10 A" 3371 3069 0.83 32.99 0.75 0.86
11 A" 1827 1664 680.00 2.32 0.75 0.86
12 A" 1563 1423 44.48 4.64 0.75 0.86
13 A" 1209 1101 33.19 1.11 0.75 0.86
14 A" 525 478 2.34 1.16 0.75 0.86
15 A" 33 30 0.09 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11803.4 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 10748.2 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/aug-cc-pVDZ
ABC
0.43165 0.36098 0.20416

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.307 0.000
N2 -0.010 0.175 0.000
H3 1.045 -1.603 0.000
H4 -0.492 -1.642 0.904
H5 -0.492 -1.642 -0.904
O6 0.000 0.719 -1.058
O7 0.000 0.719 1.058

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48231.08621.08211.08212.28572.2857
N21.48232.06802.08592.08591.18971.1897
H31.08622.06801.78361.78362.75782.7578
H41.08212.08591.78361.80713.10882.4168
H51.08212.08591.78361.80712.41683.1088
O62.28571.18972.75783.10882.41682.1163
O72.28571.18972.75782.41683.10882.1163

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 117.194 C1 N2 O7 117.194
N2 C1 H3 106.228 N2 C1 H4 107.845
N2 C1 H5 107.845 H3 C1 H4 110.686
H3 C1 H5 110.686 H4 C1 H5 113.223
O6 N2 O7 125.592
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.858      
2 N 0.788      
3 H 0.001      
4 H -0.058      
5 H -0.058      
6 O -0.766      
7 O -0.766      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.009 -3.987 0.000 3.987
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.697 -0.063 0.000
y -0.063 -22.166 0.000
z 0.000 0.000 -26.842
Traceless
 xyz
x 2.807 -0.063 0.000
y -0.063 2.103 0.000
z 0.000 0.000 -4.910
Polar
3z2-r2-9.820
x2-y20.469
xy-0.063
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.218 -0.027 0.000
y -0.027 4.455 0.000
z 0.000 0.000 5.397


<r2> (average value of r2) Å2
<r2> 62.545
(<r2>)1/2 7.909