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: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-248.463131
Energy at 298.15K-248.471546
HF Energy-248.463131
Nuclear repulsion energy182.328185
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 B1B95/6-311G**
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' 3167 3041 0.88      
2 A' 3132 3007 17.84      
3 A' 3031 2910 58.50      
4 A' 3022 2902 49.60      
5 A' 2946 2829 101.58      
6 A' 1809 1737 456.88      
7 A' 1543 1481 32.99      
8 A' 1500 1440 17.02      
9 A' 1460 1402 3.64      
10 A' 1439 1382 40.80      
11 A' 1423 1366 11.77      
12 A' 1412 1355 51.88      
13 A' 1303 1251 31.96      
14 A' 1101 1057 109.57      
15 A' 1079 1036 3.16      
16 A' 888 853 2.24      
17 A' 667 640 7.62      
18 A' 382 367 1.52      
19 A' 323 310 12.00      
20 A" 3086 2963 20.73      
21 A" 3076 2953 56.04      
22 A" 1496 1436 16.45      
23 A" 1473 1414 4.81      
24 A" 1170 1123 2.24      
25 A" 1123 1078 0.11      
26 A" 1022 981 0.04      
27 A" 344 330 17.46      
28 A" 229 220 1.63      
29 A" 176 169 0.18      
30 A" 126 121 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 22473.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 21576.5 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 B1B95/6-311G**
ABC
0.30041 0.14107 0.09959

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.690 -0.822 0.000
O2 0.202 -1.929 0.000
N3 0.000 0.348 0.000
C4 -1.443 0.332 0.000
C5 0.668 1.623 0.000
H6 1.783 -0.651 0.000
H7 -1.765 -0.706 0.000
H8 -1.837 0.835 0.888
H9 -1.837 0.835 -0.888
H10 1.747 1.467 0.000
H11 0.404 2.207 -0.887
H12 0.404 2.207 0.887

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.20991.35792.42532.44451.10602.45733.14923.14922.52063.16913.1691
O21.20992.28562.79623.58192.03292.31553.54743.54743.73044.23504.2350
N31.35792.28561.44331.43912.04312.05572.09752.09752.07432.09942.0994
C42.42532.79621.44332.47413.37221.08741.09371.09373.38562.77762.7776
C52.44453.58191.43912.47412.53193.36772.77142.77141.09011.09431.0943
H61.10602.03292.04313.37222.53193.54774.01194.01192.11753.29453.2945
H72.45732.31552.05571.08743.36773.54771.78051.78054.12943.73913.7391
H83.14923.54742.09751.09372.77144.01191.78051.77593.74533.17082.6277
H93.14923.54742.09751.09372.77144.01191.78051.77593.74532.62773.1708
H102.52063.73042.07433.38561.09012.11754.12943.74533.74531.77111.7711
H113.16914.23502.09942.77761.09433.29453.73913.17082.62771.77111.7733
H123.16914.23502.09942.77761.09433.29453.73912.62773.17081.77111.7733

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 119.918 C1 N3 C5 121.819
O2 C1 N3 125.673 O2 C1 H6 122.696
N3 C1 H6 111.631 N3 C4 H7 107.813
N3 C4 H8 110.780 N3 C4 H9 110.780
N3 C5 H10 109.420 N3 C5 H11 111.200
N3 C5 H12 111.200 C4 N3 C5 118.262
H7 C4 H8 109.444 H7 C4 H9 109.444
H8 C4 H9 108.562 H10 C5 H11 108.344
H10 C5 H12 108.344 H11 C5 H12 108.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.277      
2 O -0.371      
3 N -0.370      
4 C -0.213      
5 C -0.188      
6 H 0.068      
7 H 0.157      
8 H 0.128      
9 H 0.128      
10 H 0.121      
11 H 0.131      
12 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.184 3.880 0.000 3.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.490 0.542 0.000
y 0.542 -36.408 0.000
z 0.000 0.000 -30.896
Traceless
 xyz
x 6.162 0.542 0.000
y 0.542 -7.215 0.000
z 0.000 0.000 1.053
Polar
3z2-r22.106
x2-y28.917
xy0.542
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.995 -0.162 0.000
y -0.162 8.161 0.000
z 0.000 0.000 4.814


<r2> (average value of r2) Å2
<r2> 122.990
(<r2>)1/2 11.090