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 C3H7NO (dimethylformamide)

using model chemistry: MP2=FULL/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=FULL/6-311G**
 hartrees
Energy at 0K-247.963928
Energy at 298.15K-247.972237
HF Energy-247.053565
Nuclear repulsion energy181.664416
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=FULL/6-311G**
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' 3211 3046 0.59      
2 A' 3182 3018 15.78      
3 A' 3068 2911 50.49      
4 A' 3060 2903 52.93      
5 A' 3002 2848 98.09      
6 A' 1798 1705 421.05      
7 A' 1565 1485 21.74      
8 A' 1529 1450 15.82      
9 A' 1482 1406 5.84      
10 A' 1460 1385 62.70      
11 A' 1448 1374 9.80      
12 A' 1439 1365 44.44      
13 A' 1322 1254 34.74      
14 A' 1115 1058 108.09      
15 A' 1098 1042 5.02      
16 A' 895 849 2.59      
17 A' 666 632 6.45      
18 A' 388 368 1.24      
19 A' 321 304 10.81      
20 A" 3139 2978 18.12      
21 A" 3127 2966 49.80      
22 A" 1520 1442 14.45      
23 A" 1496 1419 4.32      
24 A" 1194 1133 4.10      
25 A" 1143 1085 0.11      
26 A" 1030 977 0.01      
27 A" 334 316 15.64      
28 A" 228 216 2.62      
29 A" 155 147 0.44      
30 A" 79 75 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 22746.3 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 21577.1 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 MP2=FULL/6-311G**
ABC
0.29941 0.13959 0.09876

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.695 -0.826 0.000
O2 0.206 -1.941 0.000
N3 0.000 0.349 0.000
C4 -1.447 0.337 0.000
C5 0.665 1.630 0.000
H6 1.786 -0.647 0.000
H7 -1.774 -0.702 0.000
H8 -1.835 0.843 0.890
H9 -1.835 0.843 -0.890
H10 1.746 1.476 0.000
H11 0.395 2.211 -0.889
H12 0.395 2.211 0.889

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.21741.36412.43722.45531.10622.47173.15893.15892.53043.17793.1779
O21.21742.29842.81483.59972.04242.33573.56533.56533.74774.24984.2498
N31.36412.29841.44731.44342.04462.06162.09912.09912.07842.10112.1011
C42.43722.81481.44732.47623.37981.08931.09531.09533.39022.77402.7740
C52.45533.59971.44342.47622.53733.37412.76812.76811.09181.09581.0958
H61.10622.04242.04463.37982.53733.56064.01594.01592.12303.29993.2999
H72.47172.33572.06161.08933.37413.56061.78451.78454.13933.73893.7389
H83.15893.56532.09911.09532.76814.01591.78451.78103.74413.16422.6163
H93.15893.56532.09911.09532.76814.01591.78451.78103.74412.61633.1642
H102.53043.74772.07843.39021.09182.12304.13933.74413.74411.77611.7761
H113.17794.24982.10112.77401.09583.29993.73893.16422.61631.77611.7780
H123.17794.24982.10112.77401.09583.29993.73892.61633.16421.77611.7780

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.168 C1 N3 C5 121.958
O2 C1 N3 125.735 O2 C1 H6 122.967
N3 C1 H6 111.298 N3 C4 H7 107.896
N3 C4 H8 110.528 N3 C4 H9 110.528
N3 C5 H10 109.347 N3 C5 H11 110.937
N3 C5 H12 110.937 C4 N3 C5 117.873
H7 C4 H8 109.543 H7 C4 H9 109.543
H8 C4 H9 108.787 H10 C5 H11 108.557
H10 C5 H12 108.557 H11 C5 H12 108.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability