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

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-319.768473
Energy at 298.15K-319.774290
HF Energy-318.595091
Nuclear repulsion energy189.273917
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 MP2=FULL/cc-pVTZ
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' 3221 3058 3.36      
2 A' 3117 2960 13.93      
3 A' 1853 1759 256.46      
4 A' 1533 1456 10.41      
5 A' 1484 1409 13.14      
6 A' 1318 1252 203.46      
7 A' 1209 1148 3.91      
8 A' 1081 1026 114.25      
9 A' 874 830 213.15      
10 A' 692 657 26.23      
11 A' 598 568 3.50      
12 A' 358 340 2.91      
13 A" 3202 3040 11.88      
14 A" 1510 1433 9.52      
15 A" 1194 1134 0.88      
16 A" 796 756 11.01      
17 A" 233 221 0.53      
18 A" 149 142 2.28      

Unscaled Zero Point Vibrational Energy (zpe) 12211.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11593.3 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 MP2=FULL/cc-pVTZ
ABC
0.39639 0.15983 0.11639

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.609 0.000
O2 -1.208 0.550 0.000
O3 0.749 1.551 0.000
O4 0.684 -0.565 0.000
C5 -0.141 -1.740 0.000
H6 0.563 -2.559 0.000
H7 -0.760 -1.774 0.885
H8 -0.760 -1.774 -0.885

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.20901.20321.35832.35273.21722.65262.6526
O21.20902.19762.19532.52593.57742.52622.5262
O31.20322.19762.11663.40854.11363.75633.7563
O41.35832.19532.11661.43521.99752.08032.0803
C52.35272.52593.40851.43521.07981.08061.0806
H63.21723.57744.11361.99751.07981.77471.7747
H72.65262.52623.75632.08031.08061.77471.7698
H82.65262.52623.75632.08031.08061.77471.7698

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 114.723 O2 N1 O3 131.286
O2 N1 O4 117.421 O3 N1 O4 111.294
O4 C5 H6 104.276 O4 C5 H7 110.783
O4 C5 H8 110.783 H6 C5 H7 110.465
H6 C5 H8 110.465 H7 C5 H8 109.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability