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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: MP2/aug-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 MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-248.945175
Energy at 298.15K-248.953096
Nuclear repulsion energy211.328782
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/aug-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' 3187 3037 25.19      
2 A' 3170 3021 8.03      
3 A' 3119 2973 2.49      
4 A' 3107 2961 0.69      
5 A' 3105 2959 22.58      
6 A' 2181 2078 1.15      
7 A' 1525 1453 1.36      
8 A' 1501 1431 4.90      
9 A' 1365 1301 2.69      
10 A' 1274 1214 1.20      
11 A' 1248 1190 0.10      
12 A' 1135 1082 1.45      
13 A' 1095 1043 0.05      
14 A' 973 927 0.60      
15 A' 918 875 1.47      
16 A' 759 723 1.13      
17 A' 575 548 0.60      
18 A' 522 497 0.44      
19 A' 275 262 1.22      
20 A' 141 134 3.66      
21 A" 3179 3029 15.66      
22 A" 3107 2960 28.86      
23 A" 1493 1422 2.38      
24 A" 1279 1219 2.48      
25 A" 1259 1200 0.23      
26 A" 1246 1187 0.54      
27 A" 1207 1150 0.44      
28 A" 1041 992 0.00      
29 A" 960 915 0.46      
30 A" 946 902 1.89      
31 A" 797 760 0.87      
32 A" 524 500 0.00      
33 A" 173 164 4.79      

Unscaled Zero Point Vibrational Energy (zpe) 24193.0 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 23053.5 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 MP2/aug-cc-pVTZ
ABC
0.33207 0.07939 0.07024

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.653 2.098 0.000
C2 0.746 1.355 0.000
C3 -0.341 0.395 0.000
C4 -0.926 -1.667 0.000
C5 -0.341 -0.724 1.075
C6 -0.341 -0.724 -1.075
H7 -1.296 0.920 0.000
H8 -2.015 -1.628 0.000
H9 -0.601 -2.704 0.000
H10 0.683 -1.000 1.324
H11 -0.906 -0.543 1.985
H12 0.683 -1.000 -1.324
H13 -0.906 -0.543 -1.985

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.17232.62184.56343.61843.61843.17555.22865.30443.50564.17893.50564.1789
C21.17231.44993.45342.58012.58012.08814.06484.27612.70173.20492.70173.2049
C32.62181.44992.14331.55151.55151.08982.62633.10962.17852.26722.17852.2672
C44.56343.45342.14331.54501.54502.61261.08931.08672.18802.28152.18802.2815
C53.61842.58011.55151.54502.14962.18382.18552.26771.08891.08702.62263.1171
C63.61842.58011.55151.54502.14962.18382.18552.26772.62263.11711.08891.0870
H73.17552.08811.08982.61262.18382.18382.64753.68933.05812.49623.05812.4962
H85.22864.06482.62631.08932.18552.18552.64751.77613.07022.51983.07022.5198
H95.30444.27613.10961.08672.26772.26773.68931.77612.51112.95032.51112.9503
H103.50562.70172.17852.18801.08892.62263.05813.07022.51111.78082.64803.6994
H114.17893.20492.26722.28151.08703.11712.49622.51982.95031.78083.69943.9705
H123.50562.70172.17852.18802.62261.08893.05813.07022.51112.64803.69941.7808
H134.17893.20492.26722.28153.11711.08702.49622.51982.95033.69943.97051.7808

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 177.927 C2 C3 C5 118.507
C2 C3 C6 118.507 C2 C3 H7 109.793
C3 C5 C4 87.604 C3 C5 H10 109.945
C3 C5 H11 117.382 C3 C6 C4 87.604
C3 C6 H12 109.945 C3 C6 H13 117.382
C4 C5 H10 111.160 C4 C5 H11 119.159
C4 C6 H12 111.160 C4 C6 H13 119.159
C5 C3 C6 87.693 C5 C3 H7 110.312
C5 C4 C6 88.160 C5 C4 H8 110.938
C5 C4 H9 117.965 C6 C3 H7 110.312
C6 C4 H8 110.938 C6 C4 H9 117.965
H8 C4 H9 109.417 H10 C5 H11 109.851
H12 C6 H13 109.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability