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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-247.817070
Energy at 298.15K-247.825378
HF Energy-247.042911
Nuclear repulsion energy181.470496
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 MP2/6-311G*
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' 3214 3054 0.55      
2 A' 3182 3024 16.36      
3 A' 3067 2915 50.49      
4 A' 3060 2908 52.02      
5 A' 3005 2856 96.97      
6 A' 1791 1702 421.02      
7 A' 1577 1499 20.67      
8 A' 1543 1467 16.38      
9 A' 1502 1428 7.36      
10 A' 1469 1396 22.87      
11 A' 1460 1388 46.52      
12 A' 1441 1369 45.93      
13 A' 1317 1251 36.35      
14 A' 1119 1063 116.29      
15 A' 1103 1048 3.87      
16 A' 894 850 2.38      
17 A' 666 633 6.74      
18 A' 394 375 1.25      
19 A' 324 308 10.56      
20 A" 3139 2983 16.12      
21 A" 3128 2973 52.74      
22 A" 1539 1462 19.44      
23 A" 1517 1441 3.98      
24 A" 1196 1136 2.95      
25 A" 1149 1092 0.11      
26 A" 1021 970 0.02      
27 A" 331 314 16.92      
28 A" 230 219 2.94      
29 A" 163 155 0.49      
30 A" 73 70 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 22806.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 21673.2 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 MP2/6-311G*
ABC
0.29913 0.13914 0.09850

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.699 -0.826 0.000
O2 0.220 -1.946 0.000
N3 0.000 0.346 0.000
C4 -1.452 0.339 0.000
C5 0.655 1.635 0.000
H6 1.792 -0.650 0.000
H7 -1.777 -0.699 0.000
H8 -1.842 0.841 0.891
H9 -1.842 0.841 -0.891
H10 1.736 1.492 0.000
H11 0.381 2.215 -0.888
H12 0.381 2.215 0.888

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.21731.36522.44612.46171.10772.47893.16703.16702.54023.18473.1847
O21.21732.30252.83103.60672.03722.35413.57933.57933.75734.25774.2577
N31.36522.30251.45181.44532.05092.06132.10502.10502.08012.10412.1041
C42.44612.83101.45182.47313.39171.08761.09451.09453.38992.76902.7690
C52.46173.60671.44532.47312.55273.37012.76692.76691.09061.09581.0958
H61.10772.03722.05093.39172.55273.56954.02824.02822.14343.31563.3156
H72.47892.35412.06131.08763.37013.56951.78031.78034.14013.73313.7331
H83.16703.57932.10501.09452.76694.02821.78031.78163.74413.16122.6131
H93.16703.57932.10501.09452.76694.02821.78031.78163.74412.61313.1612
H102.54023.75732.08013.38991.09062.14344.14013.74413.74411.77421.7742
H113.18474.25772.10412.76901.09583.31563.73313.16122.61311.77421.7762
H123.18474.25772.10412.76901.09583.31563.73312.61313.16121.77421.7762

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.505 C1 N3 C5 122.277
O2 C1 N3 126.051 O2 C1 H6 122.308
N3 C1 H6 111.641 N3 C4 H7 107.674
N3 C4 H8 110.740 N3 C4 H9 110.740
N3 C5 H10 109.427 N3 C5 H11 111.045
N3 C5 H12 111.045 C4 N3 C5 117.219
H7 C4 H8 109.350 H7 C4 H9 109.350
H8 C4 H9 108.959 H10 C5 H11 108.480
H10 C5 H12 108.480 H11 C5 H12 108.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability