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All results from a given calculation for CH3NO3 (Methyl nitrate)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-319.959633
Energy at 298.15K-319.965222
Nuclear repulsion energy184.474413
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 B1B95/6-31G
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' 3228 3078 1.43      
2 A' 3100 2957 7.74      
3 A' 1638 1562 269.04      
4 A' 1534 1463 13.80      
5 A' 1477 1408 13.86      
6 A' 1259 1201 184.91      
7 A' 1178 1123 3.54      
8 A' 992 947 76.21      
9 A' 820 782 146.24      
10 A' 631 602 25.87      
11 A' 548 523 2.63      
12 A' 323 308 4.29      
13 A" 3207 3058 11.75      
14 A" 1510 1440 15.05      
15 A" 1165 1111 0.16      
16 A" 721 688 14.09      
17 A" 218 208 1.59      
18 A" 142 136 4.31      

Unscaled Zero Point Vibrational Energy (zpe) 11845.2 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 11296.8 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 B1B95/6-31G
ABC
0.37775 0.15087 0.11008

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.633 0.000
O2 -1.237 0.560 0.000
O3 0.730 1.618 0.000
O4 0.735 -0.617 0.000
C5 -0.143 -1.786 0.000
H6 0.563 -2.613 0.000
H7 -0.766 -1.799 0.894
H8 -0.766 -1.799 -0.894

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.23901.22601.45002.42283.29472.70222.7022
O21.23902.23322.29652.58813.64812.56672.5667
O31.22602.23322.23493.51394.23483.83613.8361
O41.45002.29652.23491.46202.00402.10962.1096
C52.42282.58813.51391.46201.08781.08941.0894
H63.29473.64814.23482.00401.08781.79611.7961
H72.70222.56673.83612.10961.08941.79611.7873
H82.70222.56673.83612.10961.08941.79611.7873

picture of Methyl nitrate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O4 C5 112.616 O2 N1 O3 129.904
O2 N1 O4 117.088 O3 N1 O4 113.007
O4 C5 H6 102.628 O4 C5 H7 110.710
O4 C5 H8 110.710 H6 C5 H7 111.178
H6 C5 H8 111.178 H7 C5 H8 110.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.430      
2 O -0.255      
3 O -0.228      
4 O -0.335      
5 C -0.229      
6 H 0.208      
7 H 0.204      
8 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.643 -3.375 0.000 3.436
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.473 0.296 0.000
y 0.296 -25.872 0.000
z 0.000 0.000 -27.000
Traceless
 xyz
x -6.037 0.296 0.000
y 0.296 3.864 0.000
z 0.000 0.000 2.173
Polar
3z2-r24.345
x2-y2-6.600
xy0.296
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.731 0.436 0.000
y 0.436 6.120 0.000
z 0.000 0.000 2.425


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000