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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-320.229612
Energy at 298.15K-320.235287
HF Energy-320.229612
Nuclear repulsion energy187.940586
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 TPSSh/6-31G(2df,p)
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' 3161 3051 6.95      
2 A' 3054 2947 15.44      
3 A' 1744 1683 344.03      
4 A' 1509 1456 7.88      
5 A' 1463 1412 17.78      
6 A' 1326 1280 191.76      
7 A' 1190 1149 2.00      
8 A' 1019 983 78.65      
9 A' 857 827 165.33      
10 A' 657 634 23.06      
11 A' 568 548 3.37      
12 A' 338 326 2.82      
13 A" 3144 3034 16.60      
14 A" 1483 1431 7.16      
15 A" 1171 1130 0.96      
16 A" 772 745 12.05      
17 A" 202 195 0.81      
18 A" 152 147 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 11904.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 11487.5 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 TPSSh/6-31G(2df,p)
ABC
0.39181 0.15710 0.11460

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.613 0.000
O2 -1.211 0.557 0.000
O3 0.744 1.563 0.000
O4 0.686 -0.569 0.000
C5 -0.135 -1.757 0.000
H6 0.578 -2.578 0.000
H7 -0.759 -1.791 0.892
H8 -0.759 -1.791 -0.892

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21241.20641.36722.37393.24332.67412.6741
O21.21242.19852.20652.55193.61002.55222.5522
O31.20642.19852.13303.43434.14453.78183.7818
O41.36722.20652.13301.44402.01182.09182.0918
C52.37392.55193.43431.44401.08791.08851.0885
H63.24333.61004.14452.01181.08791.78931.7893
H72.67412.55223.78182.09181.08851.78931.7831
H82.67412.55223.78182.09181.08851.78931.7831

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 115.202 O2 N1 O3 130.717
O2 N1 O4 117.476 O3 N1 O4 111.807
O4 C5 H6 104.353 O4 C5 H7 110.592
O4 C5 H8 110.592 H6 C5 H7 110.604
H6 C5 H8 110.604 H7 C5 H8 109.983
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability