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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-319.708493
Energy at 298.15K-319.714247
HF Energy-318.608103
Nuclear repulsion energy188.686957
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/Def2TZVPP
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' 3222 3065 3.01      
2 A' 3104 2953 13.86      
3 A' 1831 1743 261.91      
4 A' 1524 1450 9.33      
5 A' 1479 1408 12.19      
6 A' 1303 1240 203.68      
7 A' 1207 1149 4.92      
8 A' 1068 1016 116.16      
9 A' 866 824 218.54      
10 A' 686 653 28.34      
11 A' 592 563 4.47      
12 A' 354 337 2.85      
13 A" 3203 3047 11.28      
14 A" 1499 1426 9.51      
15 A" 1189 1132 0.87      
16 A" 776 738 9.11      
17 A" 222 211 0.61      
18 A" 143 136 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 12132.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 11544.4 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/Def2TZVPP
ABC
0.39438 0.15869 0.11564

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.610 0.000
O2 -1.209 0.553 0.000
O3 0.748 1.556 0.000
O4 0.684 -0.566 0.000
C5 -0.139 -1.747 0.000
H6 0.570 -2.565 0.000
H7 -0.759 -1.783 0.887
H8 -0.759 -1.783 -0.887

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21071.20561.36102.36143.22612.66272.6627
O21.21072.19912.19952.53723.59022.53922.5392
O31.20562.19912.12333.41984.12473.76883.7688
O41.36102.19952.12331.43892.00182.08522.0852
C52.36142.53723.41981.43891.08231.08321.0832
H63.22613.59024.12472.00181.08231.77911.7791
H72.66272.53923.76882.08521.08321.77911.7750
H82.66272.53923.76882.08521.08321.77911.7750

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 114.974 O2 N1 O3 131.041
O2 N1 O4 117.460 O3 N1 O4 111.498
O4 C5 H6 104.225 O4 C5 H7 110.746
O4 C5 H8 110.746 H6 C5 H7 110.485
H6 C5 H8 110.485 H7 C5 H8 110.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability