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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-302.444914
Energy at 298.15K-302.454762
HF Energy-301.905985
Nuclear repulsion energy246.338933
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 CISD/6-31G
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 3766 3532 33.41      
2 A 3248 3046 4.92      
3 A 3180 2983 9.18      
4 A 3116 2922 0.01      
5 A 1765 1655 208.20      
6 A 1632 1531 56.81      
7 A 1603 1503 2.39      
8 A 1591 1492 14.89      
9 A 1540 1444 41.41      
10 A 1253 1175 0.93      
11 A 1238 1161 13.63      
12 A 1222 1146 2.70      
13 A 960 900 5.10      
14 A 518 486 3.90      
15 A 323 303 29.41      
16 A 244 229 2.07      
17 A 178 167 0.54      
18 A 29 27 0.01      
19 B 3758 3524 9.16      
20 B 3248 3046 2.46      
21 B 3180 2983 79.79      
22 B 3113 2919 123.46      
23 B 1675 1570 432.53      
24 B 1614 1513 27.62      
25 B 1593 1494 79.45      
26 B 1549 1453 8.33      
27 B 1360 1275 271.89      
28 B 1231 1154 3.14      
29 B 1222 1146 31.67      
30 B 1078 1011 2.16      
31 B 769 722 81.96      
32 B 735 689 6.14      
33 B 534 501 315.60      
34 B 367 344 34.06      
35 B 128 120 15.77      
36 B 45 42 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 27302.2 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 25604.0 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 CISD/6-31G
ABC
0.32404 0.07068 0.05934

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.092
O2 0.000 0.000 1.345
N3 0.010 1.162 -0.647
N4 -0.010 -1.162 -0.647
C5 0.000 2.473 -0.001
C6 0.000 -2.473 -0.001
H7 -0.148 1.120 -1.636
H8 0.148 -1.120 -1.636
H9 0.612 3.170 -0.577
H10 -0.612 -3.170 -0.577
H11 0.422 2.362 0.996
H12 -0.422 -2.362 0.996
H13 -1.012 2.878 0.095
H14 1.012 -2.878 0.095

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.25261.37721.37722.47452.47452.06532.06533.29703.29702.56382.56383.05103.0510
O21.25262.30622.30622.81532.81533.18833.18833.75703.75702.42472.42473.29723.2972
N31.37722.30622.32341.46183.69151.00272.49072.09764.37652.07603.91182.13144.2280
N41.37722.30622.32343.69151.46182.49071.00274.37652.09763.91182.07604.22802.1314
C52.47452.81531.46183.69154.94552.12773.95031.09175.70481.08804.95441.09455.4468
C62.47452.81533.69151.46184.94553.95032.12775.70481.09174.95441.08805.44681.0945
H72.06533.18831.00272.49072.12773.95032.25942.42954.44312.96584.37362.61464.5088
H82.06533.18832.49071.00273.95032.12772.25944.44312.42954.37362.96584.50882.6146
H93.29703.75702.09764.37651.09175.70482.42954.44316.45671.77805.84321.78136.0985
H103.29703.75704.37652.09765.70481.09174.44312.42956.45675.84321.77806.09851.7813
H112.56382.42472.07603.91181.08804.95442.96584.37361.77805.84324.79881.77055.3498
H122.56382.42473.91182.07604.95441.08804.37362.96585.84321.77804.79885.34981.7705
H133.05103.29722.13144.22801.09455.44682.61464.50881.78136.09851.77055.34986.1021
H143.05103.29724.22802.13145.44681.09454.50882.61466.09851.78135.34981.77056.1021

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 121.270 C1 N3 H7 119.580
C1 N4 C6 121.270 C1 N4 H8 119.580
O2 C1 N3 122.484 O2 C1 N4 122.484
N3 C1 N4 115.032 N3 C5 H9 109.612
N3 C5 H11 108.120 N3 C5 H13 112.178
N4 C6 H10 109.612 N4 C6 H12 108.120
N4 C6 H14 112.178 C5 N3 H7 118.188
C6 N4 H8 118.188 H9 C5 H11 109.322
H9 C5 H13 109.134 H10 C6 H12 109.322
H10 C6 H14 109.134 H11 C5 H13 108.427
H12 C6 H14 108.427
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability