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

using model chemistry: CCD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-210.961716
Energy at 298.15K-210.969022
HF Energy-210.070073
Nuclear repulsion energy159.422101
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/cc-pVTZ
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' 3159 2950 18.26      
2 A' 3153 2944 33.38      
3 A' 3090 2885 3.40      
4 A' 3072 2868 12.50      
5 A' 2372 2214 2.07      
6 A' 1533 1431 8.85      
7 A' 1524 1423 7.60      
8 A' 1446 1350 3.46      
9 A' 1380 1289 6.32      
10 A' 1216 1136 2.37      
11 A' 1147 1071 4.11      
12 A' 953 890 0.26      
13 A' 784 732 0.84      
14 A' 552 516 0.80      
15 A' 354 331 0.25      
16 A' 289 269 0.89      
17 A' 223 208 2.37      
18 A" 3157 2948 12.10      
19 A" 3149 2940 0.19      
20 A" 3070 2866 13.91      
21 A" 1513 1413 3.12      
22 A" 1511 1411 0.27      
23 A" 1426 1331 3.68      
24 A" 1353 1263 0.30      
25 A" 1160 1083 2.21      
26 A" 992 927 0.27      
27 A" 950 887 1.39      
28 A" 574 536 0.00      
29 A" 226 211 0.01      
30 A" 189 177 4.76      

Unscaled Zero Point Vibrational Energy (zpe) 22758.4 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 21249.5 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/cc-pVTZ
ABC
0.26683 0.13250 0.09711

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.411 -2.171 0.000
C2 0.026 -1.084 0.000
C3 -0.446 0.310 0.000
C4 0.026 1.026 1.269
C5 0.026 1.026 -1.269
H6 -1.536 0.269 0.000
H7 -0.359 2.046 1.278
H8 -0.322 0.515 2.164
H9 1.114 1.069 1.299
H10 -0.359 2.046 -1.278
H11 -0.322 0.515 -2.164
H12 1.114 1.069 -1.299

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15312.62523.46193.46193.12194.47303.52713.56114.47303.52713.5611
C21.15311.47212.46282.46282.06693.40252.71382.74003.40252.71382.7400
C32.62521.47211.53141.53141.09122.15682.17762.16712.15682.17762.1671
C43.46192.46281.53142.53752.15021.08931.08841.08962.76973.48842.7892
C53.46192.46281.53142.53752.15022.76973.48842.78921.08931.08841.0896
H63.12192.06691.09122.15022.15022.48492.49393.05802.48492.49393.0580
H74.47303.40252.15681.08932.76972.48491.76901.76762.55553.76723.1247
H83.52712.71382.17761.08843.48842.49391.76901.76583.76724.32883.7900
H93.56112.74002.16711.08962.78923.05801.76761.76583.12473.79002.5980
H104.47303.40252.15682.76971.08932.48492.55553.76723.12471.76901.7676
H113.52712.71382.17763.48841.08842.49393.76724.32883.79001.76901.7658
H123.56112.74002.16712.78921.08963.05803.12473.79002.59801.76761.7658

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 179.205 C2 C3 C4 110.145
C2 C3 C5 110.145 C2 C3 H6 106.534
C3 C4 H7 109.615 C3 C4 H8 111.326
C3 C4 H9 110.409 C3 C5 H10 109.615
C3 C5 H11 111.326 C3 C5 H12 110.409
C4 C3 C5 111.886 C4 C3 H6 108.985
C5 C3 H6 108.985 H7 C4 H8 108.647
H7 C4 H9 108.432 H8 C4 H9 108.342
H10 C5 H11 108.647 H10 C5 H12 108.432
H11 C5 H12 108.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability