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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-319.386904
Energy at 298.15K-319.392611
HF Energy-318.475472
Nuclear repulsion energy186.896416
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/6-31+G**
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' 3280 3080 2.91      
2 A' 3148 2956 15.89      
3 A' 1843 1731 243.81      
4 A' 1552 1457 10.54      
5 A' 1501 1410 8.17      
6 A' 1303 1224 220.53      
7 A' 1214 1140 6.57      
8 A' 1056 992 121.91      
9 A' 851 799 215.55      
10 A' 674 633 23.19      
11 A' 578 543 3.34      
12 A' 347 326 2.92      
13 A" 3260 3062 11.84      
14 A" 1525 1432 8.95      
15 A" 1194 1121 1.52      
16 A" 746 700 8.77      
17 A" 227 213 1.03      
18 A" 134 126 2.98      

Unscaled Zero Point Vibrational Energy (zpe) 12216.0 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 11473.3 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/6-31+G**
ABC
0.38554 0.15582 0.11337

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.618 0.000
O2 -1.224 0.548 0.000
O3 0.731 1.595 0.000
O4 0.721 -0.601 0.000
C5 -0.143 -1.755 0.000
H6 0.562 -2.580 0.000
H7 -0.762 -1.773 0.892
H8 -0.762 -1.773 -0.892

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.22611.21991.41662.37783.24662.66362.6636
O21.22612.21752.25912.54453.60142.52942.5294
O31.21992.21752.19633.46234.17783.79043.7904
O41.41662.25912.19631.44141.98462.08972.0897
C52.37782.54453.46231.44141.08431.08581.0858
H63.24663.60144.17781.98461.08431.78811.7881
H72.66362.52943.79042.08971.08581.78811.7840
H82.66362.52943.79042.08971.08581.78811.7840

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 112.602 O2 N1 O3 130.080
O2 N1 O4 117.306 O3 N1 O4 112.614
O4 C5 H6 102.660 O4 C5 H7 110.775
O4 C5 H8 110.775 H6 C5 H7 110.964
H6 C5 H8 110.964 H7 C5 H8 110.479
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability