return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H7N (2-Methylpyridine)

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-286.822378
Energy at 298.15K 
HF Energy-285.819977
Nuclear repulsion energy272.896759
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/TZVP
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' 3251 3082 9.47      
2 A' 3239 3070 15.30      
3 A' 3223 3055 3.21      
4 A' 3207 3040 15.69      
5 A' 3184 3018 13.77      
6 A' 3088 2927 17.66      
7 A' 1641 1556 29.62      
8 A' 1621 1536 6.59      
9 A' 1521 1442 11.87      
10 A' 1513 1434 32.08      
11 A' 1465 1389 12.23      
12 A' 1434 1359 1.75      
13 A' 1374 1302 0.52      
14 A' 1336 1266 3.53      
15 A' 1273 1207 4.14      
16 A' 1188 1126 2.22      
17 A' 1134 1075 2.78      
18 A' 1077 1021 4.28      
19 A' 1028 974 1.74      
20 A' 1005 953 3.44      
21 A' 821 778 0.50      
22 A' 637 604 1.48      
23 A' 553 524 1.86      
24 A' 359 340 2.46      
25 A" 3173 3008 9.28      
26 A" 1475 1398 7.01      
27 A" 1039 985 0.93      
28 A" 827 784 0.07      
29 A" 802 760 0.34      
30 A" 737 698 8.69      
31 A" 672 637 50.60      
32 A" 428 406 2.77      
33 A" 251 238 1.59      
34 A" 170 161 2.26      
35 A" 57i 54i 0.53      
36 A" 492i 467i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24597.9 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 23316.3 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/TZVP
ABC
0.19044 0.08811 0.06092

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.191 0.256 0.000
C2 0.000 0.875 0.000
C3 -1.206 0.168 0.000
C4 -1.178 -1.223 0.000
C5 0.055 -1.867 0.000
C6 1.206 -1.080 0.000
C7 0.031 2.378 0.000
H8 -2.149 0.702 0.000
H9 -2.101 -1.791 0.000
H10 0.129 -2.946 0.000
H11 2.186 -1.546 0.000
H12 -0.975 2.797 0.000
H13 0.562 2.740 0.880
H14 0.562 2.740 -0.880

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
N11.34232.39892.79292.40771.33612.41803.36943.87663.37392.05863.33912.70902.7090
C21.34231.39802.40602.74222.29681.50292.15563.39443.82343.26202.15542.13752.1375
C32.39891.39801.39152.39402.71582.53191.08312.15413.38873.80102.63903.24293.2429
C42.79292.40601.39151.39082.38803.79792.15581.08372.16293.37964.02534.41684.4168
C52.40772.74222.39401.39081.39414.24433.38432.15691.08222.15534.77624.71724.7172
C61.33612.29682.71582.38801.39413.65173.79833.38212.15471.08564.44843.97233.9723
C72.41801.50292.53193.79794.24433.65172.74914.68215.32474.47661.08991.09041.0904
H83.36942.15561.08312.15583.38433.79832.74912.49374.30094.88312.40163.50413.5041
H93.87663.39442.15411.08372.15693.38214.68212.49372.51114.29394.72455.32915.3291
H103.37393.82343.38872.16291.08222.15475.32474.30092.51112.48855.84865.77015.7701
H112.05863.26203.80103.37962.15531.08564.47664.88314.29392.48855.37194.66684.6668
H123.33912.15542.63904.02534.77624.44841.08992.40164.72455.84865.37191.77271.7727
H132.70902.13753.24294.41684.71723.97231.09043.50415.32915.77014.66681.77271.7605
H142.70902.13753.24294.41684.71723.97231.09043.50415.32915.77014.66681.77271.7605

picture of 2-Methylpyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 122.181 N1 C2 C7 116.281
N1 C6 C5 123.729 N1 C6 H11 116.052
C2 N1 C6 118.082 C2 C3 C4 119.202
C2 C3 H8 120.116 C2 C7 H12 111.475
C2 C7 H13 110.010 C2 C7 H14 110.010
C3 C2 C7 121.538 C3 C4 C5 118.733
C3 C4 H9 120.468 C4 C3 H8 120.681
C4 C5 C6 118.073 C4 C5 H10 121.500
C5 C4 H9 120.799 C5 C6 H11 120.218
C6 C5 H10 120.426 H12 C7 H13 108.796
H12 C7 H14 108.796 H13 C7 H14 107.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability