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All results from a given calculation for CH3ONO (Methyl nitrite)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 1A'
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-244.940046
Energy at 298.15K-244.944756
HF Energy-244.940046
Nuclear repulsion energy123.736041
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 wB97X-D/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' 3215 3063 5.59      
2 A' 3082 2936 14.24      
3 A' 1735 1653 190.73      
4 A' 1490 1419 9.82      
5 A' 1451 1382 2.34      
6 A' 1195 1139 0.68      
7 A' 1054 1004 171.66      
8 A' 905 862 102.17      
9 A' 755 719 74.67      
10 A' 365 348 3.66      
11 A" 3171 3021 14.53      
12 A" 1491 1420 12.68      
13 A" 1162 1107 1.08      
14 A" 371 353 2.74      
15 A" 175 167 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 10808.6 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 10296.3 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 wB97X-D/cc-pVDZ
ABC
0.68572 0.25137 0.19062

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.328 0.322 0.000
O2 0.000 0.864 0.000
H3 1.977 1.196 0.000
H4 1.498 -0.286 0.892
H5 1.498 -0.286 -0.892
N6 -1.025 -0.020 0.000
O7 -0.721 -1.166 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43431.08831.09281.09282.37802.5324
O21.43432.00492.08842.08841.35342.1544
H31.08832.00491.79431.79433.23923.5858
H41.09282.08841.79431.78402.68962.5484
H51.09282.08841.79431.78402.68962.5484
N62.37801.35343.23922.68962.68961.1866
O72.53242.15443.58582.54842.54841.1866

picture of Methyl nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 N6 117.063 O2 C1 H3 104.434
O2 C1 H4 110.744 O2 C1 H5 110.744
O2 N6 O7 115.873 H3 C1 H4 110.710
H3 C1 H5 110.710 H4 C1 H5 109.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.263      
2 O -0.045      
3 H 0.181      
4 H 0.178      
5 H 0.178      
6 N -0.159      
7 O -0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.468 0.222 0.000 2.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.840 0.454 0.000
y 0.454 -25.929 0.000
z 0.000 0.000 -22.129
Traceless
 xyz
x 2.189 0.454 0.000
y 0.454 -3.944 0.000
z 0.000 0.000 1.756
Polar
3z2-r23.511
x2-y24.089
xy0.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.856 0.742 0.000
y 0.742 4.834 0.000
z 0.000 0.000 3.228


<r2> (average value of r2) Å2
<r2> 65.466
(<r2>)1/2 8.091