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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-210.872446
Energy at 298.15K-210.879763
HF Energy-210.020024
Nuclear repulsion energy159.101247
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 CCD/6-31G(2df,p)
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' 3195 3027 14.25      
2 A' 3191 3022 24.47      
3 A' 3113 2948 3.96      
4 A' 3103 2939 9.29      
5 A' 2384 2258 1.53      
6 A' 1544 1462 8.34      
7 A' 1534 1453 6.50      
8 A' 1458 1381 3.03      
9 A' 1385 1311 7.27      
10 A' 1221 1156 2.58      
11 A' 1150 1089 4.78      
12 A' 956 906 0.42      
13 A' 787 746 0.93      
14 A' 556 526 1.19      
15 A' 355 337 0.29      
16 A' 293 278 1.10      
17 A' 226 214 2.63      
18 A" 3193 3025 8.73      
19 A" 3187 3019 0.10      
20 A" 3102 2938 11.24      
21 A" 1523 1443 2.79      
22 A" 1521 1440 0.34      
23 A" 1438 1362 3.40      
24 A" 1360 1288 0.40      
25 A" 1164 1102 1.76      
26 A" 996 944 0.40      
27 A" 953 903 1.75      
28 A" 576 546 0.04      
29 A" 232 219 0.01      
30 A" 191 181 5.17      

Unscaled Zero Point Vibrational Energy (zpe) 22942.5 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 21731.1 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 CCD/6-31G(2df,p)
ABC
0.26549 0.13211 0.09674

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.407 -2.176 0.000
C2 0.027 -1.084 0.000
C3 -0.446 0.311 0.000
C4 0.027 1.028 1.272
C5 0.027 1.028 -1.272
H6 -1.539 0.272 0.000
H7 -0.358 2.049 1.283
H8 -0.323 0.515 2.169
H9 1.118 1.070 1.304
H10 -0.358 2.049 -1.283
H11 -0.323 0.515 -2.169
H12 1.118 1.070 -1.304

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15652.62913.46833.46833.12754.48173.53293.56994.48173.53293.5699
C21.15651.47262.46552.46552.07153.40752.71742.74423.40752.71742.7442
C32.62911.47261.53511.53511.09412.16232.18212.17292.16232.18212.1729
C43.46832.46551.53512.54432.15481.09171.09071.09172.77833.49672.7979
C53.46832.46551.53512.54432.15482.77833.49672.79791.09171.09071.0917
H63.12752.07151.09412.15482.15482.48992.49863.06532.48992.49863.0653
H74.48173.40752.16231.09172.77832.48991.77211.77112.56533.77743.1350
H83.53292.71742.18211.09073.49672.49861.77211.76943.77744.33803.8008
H93.56992.74422.17291.09172.79793.06531.77111.76943.13503.80082.6084
H104.48173.40752.16232.77831.09172.48992.56533.77743.13501.77211.7711
H113.53292.71742.18213.49671.09072.49863.77744.33803.80081.77211.7694
H123.56992.74422.17292.79791.09173.06533.13503.80082.60841.77111.7694

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.525 C2 C3 C4 110.099
C2 C3 C5 110.099 C2 C3 H6 106.689
C3 C4 H7 109.660 C3 C4 H8 111.278
C3 C4 H9 110.490 C3 C5 H10 109.660
C3 C5 H11 111.278 C3 C5 H12 110.490
C4 C3 C5 111.939 C4 C3 H6 108.930
C5 C3 H6 108.930 H7 C4 H8 108.584
H7 C4 H9 108.421 H8 C4 H9 108.336
H10 C5 H11 108.584 H10 C5 H12 108.421
H11 C5 H12 108.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability