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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-318.967373
Energy at 298.15K-318.972767
HF Energy-318.346628
Nuclear repulsion energy178.668651
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/LANL2DZ
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' 3207 3089 6.81      
2 A' 3060 2947 20.08      
3 A' 1786 1720 50.19      
4 A' 1535 1478 11.93      
5 A' 1478 1424 4.42      
6 A' 1176 1133 0.20      
7 A' 1143 1101 219.60      
8 A' 956 920 115.62      
9 A' 776 748 230.97      
10 A' 606 584 26.31      
11 A' 518 499 3.05      
12 A' 308 296 2.80      
13 A" 3187 3070 28.73      
14 A" 1510 1454 10.47      
15 A" 1151 1108 0.53      
16 A" 639 615 7.16      
17 A" 201 194 1.88      
18 A" 121 116 5.70      

Unscaled Zero Point Vibrational Energy (zpe) 11678.7 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 11247.8 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 MP2/LANL2DZ
ABC
0.35220 0.14187 0.10318

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.647 0.000
O2 -1.283 0.583 0.000
O3 0.766 1.671 0.000
O4 0.754 -0.645 0.000
C5 -0.153 -1.840 0.000
H6 0.572 -2.664 0.000
H7 -0.778 -1.850 0.905
H8 -0.778 -1.850 -0.905

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.28431.27901.49602.49153.35972.76732.7673
O21.28432.32022.37832.67253.73872.64392.6439
O31.27902.32022.31593.62934.33913.94963.9496
O41.49602.37832.31591.50072.02702.14902.1490
C52.49152.67253.62931.50071.09791.09921.0992
H63.35973.73874.33912.02701.09791.81741.8174
H72.76732.64393.94962.14901.09921.81741.8095
H82.76732.64393.94962.14901.09921.81741.8095

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 112.488 O2 N1 O3 129.684
O2 N1 O4 117.405 O3 N1 O4 112.911
O4 C5 H6 101.403 O4 C5 H7 110.541
O4 C5 H8 110.541 H6 C5 H7 111.616
H6 C5 H8 111.616 H7 C5 H8 110.788
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability