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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-319.493123
Energy at 298.15K-319.498903
HF Energy-318.550035
Nuclear repulsion energy188.179187
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 MP2/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3223 3063 5.28      
2 A' 3099 2945 15.17      
3 A' 1877 1783 222.76      
4 A' 1532 1455 6.05      
5 A' 1491 1417 14.80      
6 A' 1322 1257 211.85      
7 A' 1213 1153 4.62      
8 A' 1081 1027 112.32      
9 A' 875 831 220.91      
10 A' 688 653 29.64      
11 A' 592 563 4.86      
12 A' 357 339 2.24      
13 A" 3196 3037 17.84      
14 A" 1497 1423 8.28      
15 A" 1198 1139 1.21      
16 A" 767 729 12.31      
17 A" 234 222 0.95      
18 A" 138 131 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 12190.3 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 11583.3 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 MP2/6-311G**
ABC
0.39170 0.15771 0.11490

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.619 0.000
O2 -1.210 0.553 0.000
O3 0.728 1.578 0.000
O4 0.716 -0.601 0.000
C5 -0.146 -1.743 0.000
H6 0.551 -2.580 0.000
H7 -0.773 -1.766 0.893
H8 -0.773 -1.766 -0.893

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21161.20491.41422.36643.24542.66092.6609
O21.21162.19272.24492.53073.59382.52332.5233
O31.20492.19272.17973.43504.16193.77303.7730
O41.41422.24492.17971.43081.98532.09012.0901
C52.36642.53073.43501.43081.08911.09101.0910
H63.24543.59384.16191.98531.08911.79221.7922
H72.66092.52333.77302.09011.09101.79221.7863
H82.66092.52333.77302.09011.09101.79221.7863

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 112.564 O2 N1 O3 130.287
O2 N1 O4 117.299 O3 N1 O4 112.414
O4 C5 H6 103.133 O4 C5 H7 111.243
O4 C5 H8 111.243 H6 C5 H7 110.589
H6 C5 H8 110.589 H7 C5 H8 109.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability